Pigment Red 3 is also known as CINO.:PR3 or Toluidine Red.
Pigment Red 3 is used primarily in air drying paints.
CAS Number: 2425-85-6
EC Number: 219-372-2
MDL Number: MFCD00003910
Product Type: Color Pigments & Dyes > Organic Pigments
Chemical Composition: Monoazo
Chemical formula: C17H13N3O3
SYNONYMS:
2425-85-6, Toluidine red, 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol, Hansa Red B, Toluidine Toner, Helio Fast Red RN, Independence Red, Chromatex Red J, Helio Red Toner, Toluidine Red R, Deep Fastona Red, Fastona Red B, 1-(4-Methyl-2-nitrophenylazo)-2-naphthol, Siegle Red B, Silosol Red RBN, Silosol Red RN, Siloton Red RLL, Hansa Scarlet RB, Hansa Scarlet RN, Siegle Red BB, Eljon Fast Scarlet RN, Hansa Red G, Helio Red RL, Oralith Red P4R, Fast Red J, Fast Red R, Permanent Red 4R, Siegle Red 1, Siloton Red BRLL, Toluidine Red 3B, Toluidine Red 4R, Carnelio Helio Red, Fast Red AB, Fast Red JE, Hansa Scarlet RNC, Sanyo Scarlet Pure, Silogomma Red RLL, Toluidine Red BFB, Fastona Scarlet RL, Fastona Scarlet YS, Irgalite Red RNPX, Isol Fast Red HB, Toluidine Red Light, Toluidine Red Toner, Helio Fast Red BN, Helio Fast Red RL, Irgalite Scarlet RB, Lake Red 4R, Lake Red 4RII, Toluidine Red BFGG, Basoflex Red 361, Isol Fast Red RNB, Isol Fast Red RNG, Adc Toluidine Red B, Segnale Light Red B, Graphtol Red A-4RL, 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-, Enialit Light Red RL, Lutetia Fast Red 3R, Recolite Fast Red RL, Segnale Light Red BR, Segnale Light Red RL, Kromon Helio Fast Red, Accosperse Toluidine Red XL, Isol Toluidine Red HB, Segnale Light Red 2B, Syton Fast Scarlet RB, Syton Fast Scarlet RD, Syton Fast Scarlet RN, Recolite Fast Red BL, Recolite Fast Red RYL, Lithol Fast Scarlet RN, Isol Toluidine Red RNB, Isol Toluidine Red RNG, Lutetia Fast Scarlet RF, Toluidine Red 10451, Irgalite Red PV2, Symuler Fast Scarlet 4R, Toluidine Red RT-115, Hispalit Fast Scarlet RN, Monolite Fast Scarlet CA, Monolite Fast Scarlet RB, Monolite Fast Scarlet RN, Monolite Fast Scarlet RT, 1-(o-Nitro-p-tolylazo)-2-naphthol, Lutetia Fast Scarlet RJN, No. 2 Forthfast Scarlet, Irgalite Fast Scarlet RND, Kromon Helio Fast Red YS, Monolite Fast Scarlet GSA, Monolite Fast Scarlet RBA, Monolite Fast Scarlet RNA, Monolite Fast Scarlet RNV, Calcotone Toluidine Red YP, D and C Red No. 35, C.I. 12120, Dainichi Permanent Red 4 R, Isol Fast Red RN2B, Isol Fast Red RN2G, Eljon Fast Scarlet PV Extra, Irgalite Fast Red P4R, Segnale Light Red C4R, Toluidine Red D 28-3930, Toluidine Red M 20-3785, Toluidine Red XL 20-3050, C.P.Toluidine Toner A-2989, C.P.Toluidine Toner A-2990, Isol Toluidine Red RN2B, Isol Toluidine Red RN2G, Sanyo Scarlet Pure No. 1000, Vulcafor Scarlet A, NCI-C60366, Versal Scarlet PRNL, Duplex Toluidine Red L 20-3140, ((4-Methyl-2-nitrophenyl)azo)-2-naphthol, Versal Scarlet RNL, 1-((4-Methyl-2-nitrophenyl)azo)-2-naphthalenol, CI 12120, 1-[(4-methyl-2-nitrophenyl)diazenyl]naphthalen-2-ol, 1-((2-Nitro-4-methylphenyl)azo)-2-naphthol, Toluidine Toner RT-252, 2-Naphthalenol, 1-((4-methyl-2-nitrophenyl)azo)-, Toluidine Toner Dark 5040, Toluidine Toner L20-3300, Toluidine Toner HR X-2700, Toluidine Toner HR X-2741, CHEBI:82428, C.P.Toluidine Toner RT-6101, C.P.Toluidine Toner RT-6104, Toluidine Toner Keep HR X-2742, C.P.Toluidine Toner Deep X-1865, NSC-45193, C.P.Toluidine Toner Dark RS-3340, C.P.Toluidine Toner Light RS-3140, Toluidine Red 100 microg/mL in Acetone, 7K26S08256, 1-[(E)-(4-methyl-2-nitrophenyl)diazenyl]-2-naphthol, (E)-1-((4-methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol, 2-Naphthalenol, 1-(2-(4-methyl-2-nitrophenyl)diazenyl)-, Recolite Fast Red BL, Fast Red A (VAN), CP Toluidine toner A-2989, [(4-Methyl-2-nitrophenyl)azo]-2-naphthol, CCRIS 4013, Toluidine Toner L 20-3300, 1-[(2-Nitro-4-methylphenyl)azo]-2-naphthol, HSDB 4357, C.P. Toluidine Toner A-2989, C.P. Toluidine Toner A-2990, C.P. Toluidine Toner RT-6101, C.P. Toluidine Toner RT-6104, EINECS 219-372-2, NSC 45193, C.P. Toluidine Toner Deep X-1865, C.P. Toluidine Toner Dark RS-3340, C.P. Toluidine Toner Light RS-3140, 2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]-, AI3-30760, C.I.12120, Toluidine Red B, UNII-7K26S08256, Irgalite Red PV 2, Isol Fast Red RN 2B, Isol Fast Red RN 2G, Irgalite Fast Red P 4R, Segnale Light Red C 4R, EC 219-372-2, Isol Toluidine Red RN 2B, Isol Toluidine Red RN 2G, SCHEMBL57955, SCHEMBL340782, Toluidine toner 4R X-2700, SCHEMBL4223162, 2-Nitro-p-toluidine-2-naphthol, CHEMBL2138372, DTXSID8021226, SCHEMBL13475196, DTXSID10859728, 1-[2-(4-methyl-2-nitrophenyl)diazen-1-yl]naphthalen-2-ol, Toluidine Red, analytical standard, Toluidine Red, Dye content 70 %, NSC45193, MFCD00003910, AKOS016009930, AKOS024319605, AKOS028109424, NCGC00164084-01, BS-52951, 1-(2-Nitro-4-methylphenylazo)-2-naphthol, DB-046380, NS00047369, C19373, E79251, A817175, J-015420, 1-[(4-Methyl-2-nitrophenyl)diazenyl]-2-naphthol #, Q27155932, 1-[(Z)-(4-methyl-2-nitrophenyl)diazenyl]-2-naphthol, 1-(4-METHYL-2-NITRO-PHENYL)DIAZENYLNAPHTHALEN-2-OL, 1-[(E)-(4-methyl-2-nitrophenyl)diazenyl]naphthalen-2-ol, (1Z)-1-[(4-methyl-2-nitro-phenyl)hydrazinylidene]naphthalen-2-one, (1z)-1-[(4-methyl-2-nitrophenyl)hydrazinylidene] naphthalen-2-one, (1Z)-1-[(4-methyl-2-nitrophenyl)hydrazinylidene]-2-naphthalenone, C.I. 12120, Toluidine Red, Pigment Red 3, Toluidine Red, 3038 Toluidine scarlet,571 Toluidine Red, Toluidine Red, Basoflex Red 3750, Flexobrite Red 3G, Toluidine Scarlet Red FJ, hansaredb, Toluidine Red, -naphthol-(2), 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol, hansaredg, AKA221, PR 3, pigment red percent3, fastredr, 1-(4-Methyl-2-nitro-phenylazo)-[2]naphthol, lakered4r, fastredje, HELIO FAST RED RL, fastredj, fastredab, Toluidine Red, ((4-Methyl-2-nitrophenyl)azo)-2-naphthol, 1-((2-Nitro-4-methylphenyl)azo)-2-naphthol, 1-((4-Methyl-2-nitrophenyl)azo)-2-naphthalenol, 1-(4-Methyl-2-nitrophenylazo)-2-naphthol, 1-(o-Nitro-p-tolylazo)-2-naphthol, 2-Naphthalenol, 1-((4-methyl-2-nitrophenyl)azo)-, Accosperse Toluidine Red XL, Adc Toluidine Red B, Atlasol Spirit Red 3, Basoflex Red 361, C.I. 12120, C.I.12120, C.I.pigment Red 3, C.P. Toluidine Toner A-2989, C.P. Toluidine Toner A-2990, C.P. Toluidine Toner Dark RS-3340, C.P. Toluidine Toner Deep X-1865, C.P. Toluidine Toner Light RS-3140, C.P.Toluidine Toner RT-6101, C.P. Toluidine Toner RT-6104, C.P.Toluidine Toner A-2989, C.P.Toluidine Toner A-2990, CI 12120, CI Pigment Red 3, CP Toluidine toner A-2989, Calcotone Toluidine Red YP, Carnelio Helio Red, Cerven pigment 3 [Czech], Chromatex Red J, D and C Red No. 35, Dainichi Permanent Red 4 R, Deep Fastona Red, Duplex Toluidine Red L 20-3140, Eljon Fast Scarlet PV Extra, Eljon Fast Scarlet RN, Enialit Light Red RL, Fast Red A (VAN), Fast Red A (pigment), Fast Red AB, Fast Red J, Fast Red JE, Fast Red R, Fastona Red B, Fastona Scarlet RL, Fastona Scarlet YS, Graphtol Red A-4RL, Hansa Red B, Hansa Red G, Hansa Scarlet RB, Hansa Scarlet RN, Hansa Scarlet RNC, Helio Fast Red BN, Helio Fast Red RL, Helio Fast Red RN, Helio Red RL, Helio Red Toner, Hispalit Fast Scarlet RN, Independence Red, Irgalite Fast Red P4R, Irgalite Fast Scarlet RND, Irgalite Red PV2, Irgalite Red RNPX, Irgalite Scarlet RB, Isol Fast Red HB, Isol Fast Red RN2B, Isol Fast Red RN2G, Isol Fast Red RNB, Isol Fast Red RNG, Isol Toluidine Red HB, Isol Toluidine Red RN2B, Isol Toluidine Red RN2G, Isol Toluidine Red RNB, Isol Toluidine Red RNG, Kromon Helio Fast Red, Kromon Helio Fast Red YS, Lake Red 4R, Lake Red 4RII, Lithol Fast Scarlet RN, Lutetia Fast Red 3R, Lutetia Fast Scarlet RF, Lutetia Fast Scarlet RJN, Monolite Fast Scarlet CA, Monolite Fast Scarlet GSA, Monolite Fast Scarlet RB, Monolite Fast Scarlet RBA, Monolite Fast Scarlet RN, Monolite Fast Scarlet RNA, Monolite Fast Scarlet RNV, Monolite Fast Scarlet RT, No. 2 Forthfast Scarlet, Oralith Red P4R, Permanent Red 4R, Pigment Red 3, Pigment Red RL, Pigment Ruby, Pigment Scarlet, Pigment Scarlet B, Pigment Scarlet N, Pigment Scarlet R, Pigment Scarlet [Russian], Polymo Red FGN, Recolite Fast Red BL, Recolite Fast Red RBL, Recolite Fast Red RL, Recolite Fast Red RYL, Sanyo Scarlet Pure, Sanyo Scarlet Pure No. 1000, Scarlet Pigment RN, Segnale Light Red 2B, Segnale Light Red B, Segnale Light Red BR, Segnale Light Red C4R, Segnale Light Red RL, Siegle Red 1, Siegle Red B, Siegle Red BB, Silogomma Red RLL, Silosol Red RBN, Silosol Red RN, Siloton Red BRLL, Siloton Red RLL, Symuler Fast Scarlet 4R, Syton Fast Scarlet RB, Syton Fast Scarlet RD, Syton Fast Scarlet RN, Tertropigment Red HAB, Tertropigment Scarlet LRN, Toluidine Red, Toluidine Red 10451, Toluidine Red 3B, Toluidine Red 4R, Toluidine Red BFB, Toluidine Red BFGG, Toluidine Red D 28-3930, Toluidine Red Light, Toluidine Red M 20-3785, Toluidine Red R, Toluidine Red RT-115, Toluidine Red Toner, Toluidine Red XL 20-3050, Toluidine Toner, Toluidine Toner L 20-3300, 2-Naphthalenol,1-[2-(4-methyl-2-nitrophenyl)diazenyl]-, C.I. Pigment Red 3, 2-Naphthalenol,1-[(4-methyl-2-nitrophenyl)azo]-, Toluidine red, 1-[2-(4-Methyl-2-nitrophenyl)diazenyl]-2-naphthalenol, C.I. 12120, Accosperse Toluidine Red XL, ADC Toluidine Red B, Calcotone Toluidine Red YP, Carnelio Helio Red, Chromatex Red J, Dainichi Permanent Red 4R, Deep Fastona Red, Duplex Toluidine Red L 20-3140, Eljon Fast Scarlet PV Extra, Eljon Fast Scarlet RN, Enialit Light Red RL, Fastona Red B, Fastona Scarlet RL, Fastona Scarlet YS, Fast Red A, Fast Red J, Fast Red R, Fast Red AB, Fast Red JE, Hansa Red B, Hansa Scarlet RB, Hansa Red G, Hansa Scarlet RN, Hansa Scarlet RNC, Helio Fast Red BN, Helio Fast Red RL, Helio Fast Red RN, Helio Red RL, Helio Red Toner, Hispalit Fast Scarlet RN, Independence Red, Irgalite Fast Red P 4R, Irgalite Fast Scarlet RND, Irgalite Red PV 2, Irgalite Red RNPX, Irgalite Scarlet RB, Isol Fast Red HB, Isol Fast Red RN 2B, Isol Fast Red RN 2G, Isol Fast Red RNB, Isol Fast Red RNG, Isol Toluidine Red HB, Isol Toluidine Red RN 2B, Isol Toluidine Red RN 2G, Isol Toluidine Red RNB, Isol Toluidine Red RNG, Kromon Helio Fast Red, Kromon Helio Fast Red YS, Lake Red 4R, Lake Red 4RII, Lithol Fast Scarlet RN, Lutetia Fast Red 3R, Lutetia Fast Scarlet RF, Lutetia Fast Scarlet RJN, Monolite Fast Scarlet CA, Monolite Fast Scarlet GSA, Monolite Fast Scarlet RBA, Monolite Fast Scarlet RN, Monolite Fast Scarlet RNA, Monolite Fast Scarlet RNV, 12238-48-1, 12240-01-6, 12240-02-7, 39310-30-0, 78690-69-4, 1878204-43-3, PR 3, AKA221, fastredj, fastredr, CI 12120, fastredab, fastredje, hansaredb, hansaredg, lakered4r, C.I.Pigment Red 3, C.I.PR3, PR3, P.R.3, D&C Red No. 35, D and C Red No. 35, 1-(4-methyl-2-nitrophenylazo)-2-naphthol, 1-[(2-nitro-4-methylphenyl)azo]-2-naphthol, 1-(ortho-nitro-para-tolylazo)-2-naphthol, toluidine red, ((4-Methyl-2-nitrophenyl)azo)-2-naphthol, 1-((2-nitro-4-methylphenyl)azo)-2-naphthol, adctoluidineredb, atlasolspiritred3, Basoflex Red 361, C.I. Pigment Red 3, C.I.Pigmentred3, C.I.PigmentRed3(12120), C.I.Pigmentred3, Basoflex Red 361, adctoluidineredb, atlasolspiritred3, C.I. Pigment Red 3, C.I.PigmentRed3(12120), C.I. Pigment Red 3 (8CI), toluidine red (C.I. 12120), ((4-Methyl-2-nitrophenyl)azo)-2-naphthol, 1-(4-Methyl-2-nitrophenylazo)-2-naphthol, 1-((2-nitro-4-methylphenyl)azo)-2-naphthol, 1-[(4-methyl-2-nitrophenyl)hydrazono]naphthalen-2(1H)-one, (1Z)-1-[(4-methyl-2-nitrophenyl)hydrazono]naphthalen-2(1H)-one
Pigment Red 3 is also called Toluidine Dark Red.
As the drying time is extended in the alkyd resin, Pigment Red 3's gloss decreases and produces haze; the smaller particle size is yellow
The phenomenon of light and haze is not obvious; the light fastness is level 7 and the dilute color (1:4 TiO2) is level 4.
Pigment Red 3 is a bright opaque red of very good light fastness in full shade.
Pigment Red 3 is also known as CINO.:PR3 or Toluidine Red.
Pigment Red 3 is used primarily in air drying paints.
Pigment Red 3's hue varies considerably with the particle size, therefore pigment manufacturers usually offer a range of brands.
The products with coarser particle sizes are bluer.
Full shades of Pigment Red 3 are extremely lightfast and weatherfast, but deteriorate rapidly as the pigment is reduced with white pigment.
Pigment Red 3 is a bluish red pigment with opacity and good resistance
Pigment Red 3 belongs to the category of Pigments having CAS number 2425-85-6.
The synonym of Organic Pigment Red 3 is 571 Toluidine Red, Toluidine Red, 3038 Toluidine scarlet, Basoflex Red 3750, 1207 Toluidine Red, Flexobrite Red 3G, Toluidine Scarlet Red FJ.
The molecular weight of Pigment Red 3 is 307.3 g/mol and the molecular formula is C17H13N3O3.
The color index number of Pigment Red 3 is 12120.
The physical appearance of Pigment Red 3 is Red.
Pigment Red 3 also known as P.O Red.
Pigment Red 3 is an organic compound with the formula C10H6(OH)(N2C6H3(NO2)CH3).
A dark red solid, Pigment Red 3 is classified as a azo dye consisting of a 2-naphthol group linked to a 2-nitro-4-methylphenyl substituent.
Pigment Red 3 is a traditional pigment, found in oil paints.
Although once popular, Pigment Red 3 suffers as a pigment owing to "insufficient lightfastness and bleeding when incorporated into a paint system."
Pigment Red 3 is a yellowish-red to red powder or solid.
Pigment Red 3 is a member of azobenzenes.
Pigment Red 3 is bright red powder, melting point 258 ℃, fine powder, high coloring power and hiding power Good heat resistance, acid and alkali resistance, soluble in concentrated sulfuric acid for Deep Purple, diluted orange precipitation.
Dissolved in concentrated nitric acid is dark red, dilute sodium hydroxide does not change color, slightly soluble in ethanol, acetone and grass.
Pigment Red 3 is also known as toluidine red, belonging to the larger varieties, large particle size of the dosage form is blue red, in the alkyd resin with the extension of drying time, the gloss decreased, resulting in light fog;
Small particle size of yellow light, light fog phenomenon is not obvious;
Light fastness 7, light color (1:4 TiO2) for the 4 level.
Pigment Red 3 is a cell proliferation activator
Pigment Red 3, also known as toluidine red, belongs to a variety with larger output.
The dosage form with a large particle size of Pigment Red 3 is blue-red red.
As the drying time is extended in the alkyd resin, Pigment Red 3's gloss decreases and produces haze; the smaller particle size is yellow
The phenomenon of light and haze is not obvious; the light fastness is level 7 and the dilute color (1:4 TiO2) is level 4.
Pigment Red 3 is mainly used in air-drying paint hard PVC, seldom used in printing ink.
Pigment Red 3 can be used for the coloring of ink pads, ink pencils, crayons, watercolor and oil paints, and rubber products; also suitable for the coloring of varnished cloth, paint, plastic and natural lacquer, sand pipes, arts and crafts and cosmetics
Pigment Red 3 is a good representative of monoazopigments of the β-naphthol type and is one of the most important organic pigments.
Pigment Red 3 is a red to orange powder
Pigment Red 3 is an oil soluble dye.
Pigment Red 3 is a member of azobenzenes.
Pigment Red 3 is a yellowish-red to red powder or solid.
Pigment Red 3 is a yellowish red monoazo pigment.
Pigment Red 3 possesses good water resistance, excellent chemical resistance and light-fastness.
Pigment Red 3 shows heat stability upto 180°C.
Pigment Red 3 is suitable for water-based flexo printing, decorative paints, industrial paints and alkyd paints.
Pigment Red 3 is also known as C.I.NO.:PR3 or Toluidine Red.
Pigment Red 3's hue varies considerably with the particle size, therefore pigment manufacturers usually offer a range of brands.
The products with coarser particle sizes are bluer.
Full shades of Toluidine Red are extremely lightfast and weatherfast, but deteriorate rapidly as the pigment is reduced with white pigment.
Recommendations of Pigment Red 3 include emulsion paints for interior application or shortterm advertisement and marking purposes.
Pigment Red 3 application in printing inks is restricted.
In plastics, Pigment Red 3 is practically limited to rigid PVC.
Pigment Red 3 shows insufficient fastness towards solvents; in fact, it is partially inferior even to monoazo yellow pigments, which is also true for other members of this class.
Its stability to alcohols, aliphatic and aromatic hydrocarbons, and dibutyl phthalate equals step 3 on the 5 step scale; Pigment Red 3 is even less fast to esters and ketones.
Pigment Red 3 is used primarily in air drying paints. Its hue varies considerably with the particle size, therefore pigment manufacturers usually offer a range of brands.
The products with coarser particle sizes are bluer.
Very bluish varieties, however, partially contain chemically modified Pigment Red 3.
Full shades of Pigment Red 3 are extremely lightfast and weatherfast, but deteriorate rapidly as the pigment is reduced with white pigment.
Pigment Red 3, also known as Toluidine Dark Red, is a bright opaque red pigment with very good lightfastness .
Pigment Red 3 is part of the β-Naphthol chemical group .
USES and APPLICATIONS of PIGMENT RED 3:
Pigment Red 3 is used for solvent based paint,industrial paint, decorative paint.
Pigment Red 3 is suggested for textile printing.
Pigment Red 3 is used air Drying Enamel, Stoving Paints, Acrylic Paints, Automotive Paints, Industrial Paints
Pigment Red 3 is one of the high performance pigment with good heat stability and Light fastness of 8 is highly recommended in Exterior Paints, Inks, Plastics with good sustainability and durability.
Pigment Red 3 is a bluish red , mainly used for self drying painting,hard PVC.
Pigment Red 3 application in printing inks is restricted; the pigments are being displaced by their stronger Naphthol AS pigment counterparts.
Pigment Red 3 is used primarily in flexo printing.
Pigment Red 3 is used for coloring various products such as water-based inks, industrial paints, textile printing, and nitro paints .
Pigment Red 3 is used Paint Decorative Paints/Industrial PaintsInkWater based Flexo PrintingTextileWax Croyons
Pigment Red 3 is used in Indonesia, revolving, pencil, crayon, watercolor and paint pigment and rubber products coloring.
Pigment Red 3 is also used for cloth, coating, plastic, natural raw lacquer, besmear brushs bobbin, arts and crafts and cosmetics coloring
Pigment Red 3 is used in paints, inks, plastics, rubber, cement, textile printing, and munitions
Pigment Red 3 is Recommended for paint, it is a main producing product,and this pigment belongs to a variety with larger output.
The dosage form with a large particle size is blue-red red.
Pigment Red 3 is used for Offset/Water-base Ink, Industrial Coating.
Pigment Red 3 is available for Water-base Coating, Textile Printing.
Pigment Red 3 is mainly used in air-drying paint hard PVC,
Pigment Red 3 can be used for the watercolor and oil paints, and rubber products; also suitable for the coloring of varnished cloth, paint, plastic and natural lacquer, sand pipes, arts and crafts and cosmetics.
The heat resistance of Pigment Red 3 is 160C, light fastness is level 6,we have only one grade for you choosing.
Pigment Red 3 is used preferably in full or similarly deep shades.
Recommendations of Pigment Red 3 include emulsion paints for interior application or short term advertisement and marking purposes.
Pigment Red 3 application in printing inks is restricted.
In plastics, Pigment Red 3 is practically limited to rigid PVC.
Pigment Red 3 is used for printing ink, paint, cultural materials coloring.
Pigment Red 3 is mainly used in air self-drying paint hard PVC, less used for printing ink, and the number of products on the market is 95.
Pigment Red 3 can be used for the coloring of mud, pencil, crayon, water color and oil color pigments and rubber products;
Pigment Red 3 is also suitable for paint cloth, paint, plastic and natural lacquer, and brushing sand tube, coloring of arts and crafts and cosmetics.
Pigment Red 3, like para red, belongs to azo series of chemical synthetic dyes.
Pigment Red 3 is mainly used for coloring oil paint and rubber products and is solid at room temperature.
Pigment Red 3 is widely used in paint, inkpad, ink, pencil, crayon, watercolor and oil paint, as well as natural raw paint, rubber and plastic coloring.
Pigment Red 3 can also be used for coloring cosmetics, arts and crafts products, yarn tubes, etc.
Pigment Red 3 can be used for coloring inkpad, ink pencil, crayon, watercolor and oil paint and rubber products.
Pigment Red 3 is also suitable for coloring lacquer cloth, paint, plastic and natural raw lacquer, sand pipe, arts and crafts and cosmetics.
Pigment Red 3 is used for coloring ink, paint, stationery
Pigment Red 3 is used for coloring plastic, rubber products, stationery, paint printing, etc.
Pigment Red 3 is used primarily in air drying paints.
Pigment Red 3 is used for water based inks, industrial paints, textile printing, also suitable for nitro paints.
Pigment Red 3 is used for coloring of ink, paint, cultural and educational supplies.
Pigment Red 3 is used dyes and metabolites, Environmental Testing
Pigment Red 3 is used preferably in full or similarly deep shades.
SCIENTIFIC RESEARCH APPLICATIONS OF PIGMENT RED 3:
*Environmental Biodegradation
Pigment Red 3 has been studied for its biodegradation in synthetic wastewater.
A specific strain of Halomonas bacteria, Halomonas strain Gb, has shown the ability to decolorize Pigment Red 3, using it as the sole source of carbon and energy .
This process is significant for environmental cleanup, particularly in treating dye-contaminated industrial wastewater.
*Electrophoretic Display Technology
Nanoparticles of Pigment Red 3 have found application in electrophoretic displays .
These displays work on the principle of moving charged pigment particles under an electric field, which makes Pigment Red 3 nanoparticles suitable for creating vivid and durable displays.
*Food Industry Analytics
In the food industry, Pigment Red 3 serves as a reference dye for the quantification of analytes.
Pigment Red 3 is used in conjunction with high-performance liquid chromatography and gel permeation chromatography for the accurate detection and measurement of substances in food products .
*Art Conservation and Analysis
Pigment Red 3’s historical synthesis and usage in art make it a subject of interest in conservation science.
Pigment Red 3's properties, such as lightfastness and tendency to bleed in oil paints, are important for the analysis and restoration of artworks
PROPERTIES AND APPLICATIONS OF PIGMENT RED 3:
yellow red.
Bright-coloured red powder, powder mass is exquisite, tinting strength and covering power is very high.
Heat resistance, melting point 258 ℃.
Acid-proof alkaline strong.
Slightly soluble in ethanol, acetone and benzene.
In concentrated sulfuric acid for deep red light purple, dilution after orange precipitation;
In concentrated nitric acid to dark red;
In a dilute sodium hydroxide solution does not change color.
SYNTHESIS ANALYSIS OF PIGMENT RED 3:
The synthesis of red pigments can involve complex chemical reactions tailored to produce pigments with desired characteristics.
For instance, the synthesis of new red wine pigments by nucleophilic addition of vinylphenols to malvidin 3-glucoside demonstrates the pigments’ resistance to bisulfite-mediated bleaching and their presence in red wine .
PHYSICAL AND CHEMICAL PROPERTIES ANALYSIS OF PIGMENT RED 3:
Pigment Red 3 appears as a red powder.
Pigment Red 3 has good resistance to heat, with a heat resistance of 150°C.
Pigment Red 3 also has a pH value of 6.0-8.0.
The physical properties of pigments, including particle size, shape, and surface characteristics, play a significant role in their application.
AIR AND WATER REACTIONS OF PIGMENT RED 3:
Sensitive to moisture Dust suspensions in air can be explosive at certain concentrations.
Pigment Red 3 is insoluble in water.
PREPARATION OF PIGMENT RED 3:
using the low solubility of the coupling component 2-naphthol in an acidic or neutral pH aqueous solution at a temperature below 65 ℃, the coupling reaction of diazo and 2-naphthol is carried out at a temperature below 65 ℃, and the PH value is controlled at 2~9, then the unreacted 2-naphthol is precipitated out in the crystalline form of reactants, and then the coupling reaction is carried out to prepare toluidine red.
MECHANISM OF ACTION OF PIGMENT RED 3:
*Target of Action
Pigment Red 3 is primarily used as a pigment, and its target is the medium it is mixed with, such as oil paints .
Pigment Red 3 imparts a dark red color to the medium .
In a biological context, Pigment Red 3 has been used in biodegradation studies, where it serves as the sole source of carbon and energy for certain bacteria, such as the halophilic Halomonas strain Gb .
*Mode of Action
The compound consists of a 2-naphthol group linked to a 2-nitro-4-methylphenyl substituent .
When used as a pigment, Pigment Red 3 interacts with the medium, imparting its color.
Pigment Red 3 suffers from "insufficient lightfastness and bleeding when incorporated into a paint system" .
In biodegradation studies, the Halomonas strain Gb bacterium breaks down the Pigment Red 3, using it as a source of carbon and energy .
*Biochemical Pathways
In the context of biodegradation, the halomonas strain gb bacterium likely employs a series of enzymatic reactions to break down the Pigment Red 3 and utilize it as a source of carbon and energy .
*Pharmacokinetics
Its solubility in water is low , which may affect its absorption, distribution, metabolism, and excretion (ADME) properties if Pigment Red 3 were to enter a biological system.
*Result of Action
When used as a pigment, the primary result of Pigment Red 3’s action is the imparting of a dark red color to the medium .
In biodegradation studies, the action of Pigment Red 3 results in its breakdown and utilization as a source of carbon and energy for the Halomonas strain Gb bacterium
*Future Directions
While specific future directions for Pigment Red 3 are not mentioned in the retrieved documents, the field of pigment research is moving towards the development of eco-friendly pigments with enhanced properties .
This includes exploring new host organisms for their heterologous production, engineering their secretion from the cell, and expanding the chemical diversity of pigments .
PHYSICAL AND CHEMICAL PROPERTIES OF PIGMENT RED 3:
solubility: slightly soluble in ethanol, acetone, benzene, dark red-purple in concentrated sulfuric acid, orange precipitation after dilution;
Dark vermilion in case of concentrated nitric acid;
in dilute sodium hydroxide does not change.
hue or color: yellow Red
relative density: 1.34-1.52
Bulk density/(lb/gal):11.1-12.6
melting point/℃:276-278
average particle size/μm:0.26-0.53
particle shape: rod-like
specific surface area/(m2/g):8-25
pH value/(10% slurry):6.0-7.1
oil absorption/(g/100g):33-80
hiding power: translucent
PHYSICAL and CHEMICAL PROPERTIES of PIGMENT RED 3:
Chemical formula: C17H13N3O3
Molar mass: 307.309 g·mol−1
Appearance: Red solid
Density: 1.434 g/cm³
Solubility in water: Low
Molecular Weight: 307.30 g/mol
Properties:
XLogP3-AA: 4.8
Hydrogen Bond Donor Count: 1
Hydrogen Bond Acceptor Count: 5
Rotatable Bond Count: 2
Exact Mass: 307.09569129 g/mol
Monoisotopic Mass: 307.09569129 g/mol
Topological Polar Surface Area: 90.8 Ų
Heavy Atom Count: 23
Formal Charge: 0
Complexity: 451
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
Identification:
CAS: 2425-85-6
EINECS: 219-372-2
InChI: InChI=1/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,18H,1H3/b19-17-
Physical Properties:
Molecular Formula: C17H13N3O3
Molar Mass: 307.3
Density: 1.1873 (rough estimate)
Melting Point: 270-272°C (lit.)
Boiling Point: 447.81°C (rough estimate)
Flash Point: 251.3°C
Water Solubility: 211 μg/L at 20°C
Vapor Pressure: 8.02E-10 mmHg at 25°C
Refractive Index: 1.6500 (estimate)
Additional Information:
Stability: Stable.
May be moisture sensitive.
Incompatible with strong oxidizing agents.
Appearance: Red powder
Shade: Yellowish
Tinting Strength: 95-105%
Oil Absorption: 30-40 g/100g
Heat Resistance: 150°C
Light Fastness: 6
pH Value: 6.0-8.0
Density: 1.46
BET Surface Area: ---
Bleeding Resistance: 4
Soap Resistance: ---
Acid Resistance: 4
Alkali Resistance: 5
Alcohol Resistance: 4
Ester Resistance: 3
Benzene Resistance: 4
Ketone Resistance: ---
CAS NO.: 2425-85-6
EINECS: 219-372-2
Molecular Weight: 307.3
Molecular Formula: C17H13N3O3
Density: 1.32 g/cm³
Color: Red powder
CBNumber: CB7203442
Molecular Formula: C17H13N3O3
Molecular Weight: 307.3
MDL Number: MFCD00003910
MOL File: 2425-85-6.mol
Melting point: 270-272 °C (lit.)
Boiling point: 447.81 °C (rough estimate)
Density: 1.1873 (rough estimate)
Refractive index: 1.6500 (estimate)
Solubility: Chloroform (Slightly, Heated), DMSO (Slightly), Toluene (Very Slightly)
Colour Index: 12120
pKa: 13.45 ± 0.50 (Predicted)
Water Solubility: 211 μg/L at 20 °C
Stability: Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
LogP: 5.4 at 25 °C
CAS DataBase Reference: 2425-85-6 (CAS DataBase Reference)
EWG's Food Scores: 2-5
FDA UNII: 7K26S08256
NIST Chemistry Reference: 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
IARC: 3 (Vol. 57) 1993
EPA Substance Registry System: C.I. Pigment Red 3 (2425-85-6)
Molecular Weight: 307.30
Molecular Formula: C17H13N3O3
pH Value: 6.5-7.5
Density: 1.5
Oil Absorption (ml/100g): 30-40
Light Fastness: 6
Heat Resistance: 160 °C
Water Resistance: 4
Oil Resistance: 5
Acid Resistance: 4
Alkali Resistance: 3
Melting point: 270-272 °C (lit.)
Boiling point: 447.81 °C (rough estimate)
Density: 1.1873 (rough estimate)
Refractive index: 1.6500 (estimate)
Solubility: Chloroform (Slightly, Heated),
DMSO (Slightly), Toluene (Very Slightly)
Colour Index: 12120
pKa: 13.45 ± 0.50 (Predicted)
Water Solubility: 211 μg/L at 20 °C
Stability: Stable.
May be moisture sensitive.
Incompatible with strong oxidizing agents.
LogP: 5.4 at 25 °C
CAS DataBase Reference: 2425-85-6 (CAS DataBase Reference)
NIST Chemistry Reference: 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
IARC: 3 (Vol. 57) 1993
EPA Substance Registry System: C.I. Pigment Red 3 (2425-85-6)
Colour Index No.: 12120
Colour Index Name: Pigment Red 3
CAS Registry No.: 2425-85-6
Chemical Type: Organic Pigment
Chemical Class: Diazo
Physical Form: Red Powder
Odour: Odourless
General Information:
Product Name: Toluidine red
CAS NO.: 2425-85-6
EC Number: 219-372-2
Molecular Formula: C17H13N3O3
Molecular Weight: 307.303 g/mol
Exact Mass: 307.30
UNII: 7K26S08256
NSC Number: 45193
DSSTox ID: DTXSID8021226
Physical and Chemical Properties:
Appearance: Yellowish-red to red powder or solid
Color/Form: Yellowish-red solid;
Hue varies considerably with particle size and therefore several shades are commercially available
Density: 1.32 g/cm³
Melting Point: 270-272 °C
Boiling Point: 543.5 °C at 760 mmHg
Refractive Index: 1.66
Water Solubility: 4.85 x 10^-2 mg/L at 25 °C (estimated)
Solubility: Slightly soluble in ethanol, xylene, poorly soluble in ethers and ketones;
very soluble in mineral spirits, aromatic hydrocarbons, and plasticizers
Vapor Pressure: 8.02E-10 mmHg at 25 °C
LogP: 5.4 at 25 °C
pKa: 13.45 ± 0.50 (Predicted)
Henry's Law Constant: 1.2 x 10^-12 atm-cu m/mole at 25 °C (estimated)
Hydroxyl Radical Reaction Rate Constant: 1.8 x 10^-11 cu cm/molecule-sec at 25 °C (estimated)
Stability: Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
Storage Conditions: Store in a tightly closed container.
Store in a cool, dry, well-ventilated area away from incompatible substances.
Reactivity Alerts: Explosive (dust suspensions in air can be explosive at certain concentrations)
Specific Properties:
Specific Gravity: 1.45
Oil Absorption: 45 ml/100gms +5
Bulk Density: 0.31 gm/cc
Moisture: 0.5%
Heat Stability: 170 °C
pH: 7.5
PSA: 90.77000
XLogP3: 5.70060
Tinting Strength: 95-105%
Light Fastness: 6
Oil Absorption: 30-40 g/100g
Water Resistance: 4
Oil Resistance: 5
Acid Resistance: 4
Alkali Resistance: 3
Appearance: Yellowish-red to red powder or solid
Molecular Information:
InChI: InChI=1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3
InChI Key: ZLFVRXUOSPRRKQ-UHFFFAOYSA-N
Canonical SMILES: CC1=CC(=C(C=C1)N=NC2=C(C=CC3=CC=CC=C32)O)N+[O-]
HS Code: 2927000090
IUPAC Name: 1-[(4-methyl-2-nitrophenyl)diazenyl]naphthalen-2-ol
FIRST AID MEASURES of PIGMENT RED 3:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of PIGMENT RED 3:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of PIGMENT RED 3:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of PIGMENT RED 3:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of PIGMENT RED 3:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of PIGMENT RED 3:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature) .
-Possibility of hazardous reactions:
No data available
