Tricresyl phosphate (TCP) acts as a plasticizer and flame retardant.
Tricresyl phosphate (TCP) is primarily a plasticizer.
Tricresyl phosphate (TCP) is in non-combustible, viscous, clear liquid form.


CAS Number: 78-30-8
mixed isomers: 1330-78-5
EC Number: 215-548-8
Molecular Formula: (CH3C6H4O)3PO / C21H21O4P



SYNONYMS:
Tris(2-methylphenyl) phosphate, tri-o-cresyl phosphate, TOCP, tritolyl phosphate, ortho-isomer, tri-o-tolyl ester of phosphoric acid, triorthocresyl phosphate (TOCP), TRICRESYL PHOSPHATE, Tri-p-tolyl phosphate, 78-32-0, TRI-P-CRESYL PHOSPHATE, Tris(4-methylphenyl) phosphate, Phosphoric acid, tris(4-methylphenyl) ester, Phosphoric acid, tri-p-tolyl ester, tri-p-tolylphosphate, tris-p-tolyl phosphate, Phosphoric acid, tri(4-tolyl)ester, Tri-4-cresyl phosphate, Tris(p-cresyl) phosphate, Tris(p-methylphenyl) phosphate, Phosphoric Acid Tri-p-tolyl Ester, NSC-2181, p-Tolyl phosphate ((C7H7O)3PO), 5149JKD098, TPC, Phosphoric acid, tris(methylphenyl) ester, DSSTox_CID_1391, DSSTox_RID_76133, DSSTox_GSID_21391, CAS-1330-78-5, Phosphoric Acid Tris(4-?methylphenyl) Ester, HSDB 2559, NSC 2181, EINECS 201-105-6, AI3-04490, UNII-5149JKD098, trip-tolyl phosphate, 4-methylphenyl di4-methylphenyl phosphate, SCHEMBL21582, CHEMBL1596847, DTXSID5052676, NSC2181, Phosphoric Acid Tri-p-cresyl Ester, Tox21_201546, Tox21_302886, BBL000008, MFCD00041908, STK368776, AKOS005208650, TRI-P-CRESYL PHOSPHATE [HSDB], Tritolyl phosphate, mixture of isomers, P-TOLYL PHOSPHATE (C7H7O)3PO, Tricresyl phosphate, mixture of isomers, NCGC00091176-01, NCGC00091176-02, NCGC00091176-03, NCGC00164427-01, NCGC00256457-01, NCGC00260672-01, Tricresyl phosphate (Tritolyl phosphate), DB-353155, Phosphoric Acid Tris(4-methylphenyl) Ester, CS-0313141, NS00008724, T2209, D92582, Q26840796, Tritolyl phosphate, Phosphoric Acid Tricresyl Ester



Tricresyl phosphate (TCP), also called tricresylphosphate, tritolyl phosphate, tolyl phosphate, or tri-o-tolyl ester of phosphoric acid, is an organic compound, an organophosphate, an ester of phosphoric acid.
Tricresyl phosphate (TCP) is primarily a plasticizer.


Formula (CH3C6H4O)3PO, kn 420 °C, refractive index (at 24 °C) 1.556, density 1.62 g/mL, crystallization point below -35 °C, flash point 225 °C, auto-ignition temperature 410 °C, colorless, odorless, Tricresyl phosphate (TCP) is used as a plasticizer for polyvinyl chloride, polystyrene nitrocellulose, flame retardant for plastics, waterproofing, heat exchanger, pressurized lubricating oils, additives for hydraulic fluids.


Tricresyl phosphate (TCP) is in non-flammable, viscous, clear liquid form.
Tricresyl phosphate (TCP) is generally sold in barrel packaging.
Tricresyl phosphate (TCP) acts as a plasticizer and flame retardant.


Tricresyl phosphate (TCP) possesses excellent hydrolysis stability, oil resistance, electric insulative and high fungus resistance.
Tricresyl phosphate (TCP), Choice Grade, in the form of a colorless to yellowish transparent oily liquid, is a plasticizer for vinyl resins and nitrocellulose.


Tricresyl phosphate (TCP)'s flash point is greater than 230 degrees Celsius, and contains less than 1 mg of potassium hydroxide per gram.
Tricresyl phosphate (TCP) is primarily a plasticizer.
Tricresyl phosphate (TCP) is in non-combustible, viscous, clear liquid form.


Tricresyl phosphate (TCP)'s formula is (CH3C6H4O)3PO, c.n. 420 °C, refractive index (at 24 °C) 1.556, density 1.62 g/mL, crystallization point below -35 °C, flash point 225 °C, auto-ignition temperature 410 °C, polyvinyl chloride.
Tricresyl phosphate (TCP) is a mixture of three organophosphate isomers .


In general , Tricresyl phosphate (TCP) is colorless and transparent oily liquid .
Tricresyl phosphate (TCP) can dissolve in Toluene ,Methylene chloride ,Methyl ethyl ketone ,Methanol ,insoluble in water
Tricresyl phosphate (TCP) is an important flame retardant plasticizer for vinyl resin and nitrocellulose , used in the paint film can increase the flexibility, it has excellent intermiscibility,


Main production process of Tricresyl phosphate (TCP): Mixed cresol reacts with phosphorus trichloride to produce Tricresyl phosphate (TCP), which then reacts with chlorine to produce tricresyl phosphate dichloride, which is then hydrolyzed to obtain tricresyl phosphate.
Tricresyl phosphate (TCP) acts as a plasticizer.


Tricresyl phosphate (TCP) is produced from naturally derived cresols.
Tricresyl phosphate (TCP) is a mixture of trimethyl phosphate isomer.
Tricresyl phosphate (TCP) is colorless and odorless oily liquid.


Tricresyl phosphate (TCP) is insoluble in water, and mixable with all the usual organic solvents .
Tricresyl phosphate (TCP) can give high polymer good abrasion resistance, weatherability, mildew resistance, radiation resistance and electric properties, and has excellent intermiscibility.


Tricresyl phosphate (TCP) is flame retardants of synthetic rubber, PVC, polyester, polyolefin and soft polyurethane foam plastics .
Tricresyl phosphate (TCP) is colorless or light yellow transparent oily liquid. Odorless, strong stability, not volatile, with good plasticizing Flame retardant, oil resistance, electrical insulation, easy to process.


Tricresyl phosphate (TCP) is an important plasticizer of vinyl resin and nitrocellulose , used in the paint to increase the flexibility of paint film.
Tricresyl phosphate (TCP) is non-volatile and flame retarded.
Tricresyl phosphate (TCP) is insoluble in water, soluble in benzene, alcohol, ether, vegetable oil, mineral oil and other organic solvents.


Tricresyl phosphate (TCP) is an important oF vinyl resin and nitrocellulose plasticizer, used in the paint Film can increase the Flexibility, it has excellent intermiscibility, synthetic rubber, PVC, polyester, polyoleFin and soFt polyurethane Foam plastics Flame retardants, electronic potting glue can also be used For polyurethane.


Tricresyl phosphate (TCP) can give high polymer good abrasion resistance, weatherability, mildew resistance, radiation resistance and electric properties.
Tricresyl phosphate (TCP) adopts the new craFt improvement but becomes, belongs to the environmental protection product, in the production process basically does not have three wastes to produce, and the product low poison.


Tricresyl phosphate (TCP), also called tricresylphosphate, tri-o-cresyl phosphate (TOCP), tritolyl phosphate, tolyl phosphate, or tri-o-tolyl ester of phosphoric acid, is an organic compound, an organophosphate, an ester of phosphoric acid.
Tricresyl phosphate (TCP) is a colorless or pale yellow viscous virtually nonflammable liquid insoluble in water, with melting point at -40 °C and boiling point at 240-255 °C.


Tricresyl phosphate (TCP)'s flash point is above 225 °C.
Tricresyl phosphate (TCP)'s chemical formula is C21H21O4P.
Tricresyl phosphate (TCP) is a known neurotoxin.


Liquid Tricresyl phosphate (TCP) is irritiating to skin and eyes.
Tricresyl phosphate (TCP)'s CAS number is [78-30-8] and its SMILES structure is O=P(Oc2ccccc2C)(Oc3ccccc3C)Oc1ccccc1C.
Tricresyl phosphate (TCP) is a mixture of ortho, meta, and para cresyl isomers.


The mixture has CAS number [1330-78-5], the m- isomer is [563-04-2], the p- isomer is [78-32-0].
Tricresyl phosphate (TCP) is manufactured by reaction of cresols with phosphorus oxychloride.
In alkaline medium Tricresyl phosphate (TCP) undergoes hydrolysis to cresol and dicresyl phosphate.


Tricresyl phosphate (TCP), is a mixture of three isomeric organophosphate compounds most notably used as a flame retardant.
Other uses of Tricresyl phosphate (TCP) include as a plasticizer in manufacturing for lacquers and varnishes and vinyl plastics and as an antiwear additive in lubricants.


Tricresyl phosphate (TCP) is virtually insoluble in water, but easily soluble in organic solvents like toluene, hexane, and diethyl ether among others.
Tricresyl phosphate (TCP) was synthesized by Alexander Williamson in 1854 upon reacting phosphorus pentachloride with cresol (a mixture of para-, ortho-, and meta- isomers of methylphenol), though today's manufacturers can prepare TCP by mixing cresol with phosphorus oxychloride or phosphoric acid as well.


Tricresyl phosphate (TCP), especially the all-ortho isomer, is the causative agent in a number of acute poisonings.
The ortho-isomer is rarely used on Tricresyl phosphate (TCP)'s own outside of laboratory studies that require isomeric purity, due to its extremely toxic nature, and is generally excluded from commercial products where TCP is involved.


Tricresyl phosphate (TCP) is a crystalline solid.
Tricresyl phosphate (TCP) is a mixture of isomeric tritolyl phosphates.
Tricresyl phosphate (TCP) is a colourless, viscous liquid, although commercial samples are typically yellow.



USES and APPLICATIONS of TRICRESYL PHOSPHATE (TCP):
Tricresyl phosphate (TCP) is an additive flame retardant plasticizer used in flexible polyurethane foams, whose superiority is demonstrated in excellent hydrolysis stability, good electric insulation performance, superior mildew resistance and abrasion resistance.
Tricresyl phosphate (TCP) can be recommended as flame retardant for synthetic rubber, PVC, polyester, polyolefin, and plasticizer or flame retardant plasticizer for vinyl resin, nitrocellulose, butyl rubber and chloroprene rubber.


Tricresyl phosphate (TCP) is used in the sterilization of certain surgical instruments and in many industrial processes.
Leather cloth (PVC): Tricresyl phosphate (TCP) is used Upholstery, Book binding, Seat covers
Utility articles: Tricresyl phosphate (TCP) is used Footwear, Raincoats, Handbags, Fiberglass, cellulose acetate


Extruded articles: Tricresyl phosphate (TCP) is used Cables (PVC & rubber), hoses, flexible pipe, coal mining, conveyor belts
Coatings: Tricresyl phosphate (TCP) is used Nitrocellulose lacquers, phenolic resins, lube oils
Tricresyl phosphate (TCP) is used plasticizers for vinyl films in agriculture due to its weather resistance property


Tricresyl phosphate (TCP) is used insulator compounds for electric cables and also in the synthetic rubber compounds.
Lubricant additives have been proven effective as mild extreme pressure addictive for synthetic oil.
Tricresyl phosphate (TCP) is used based oil for fire-retardant hydraulic fluid for minimizing fire-risk from heat source or electric sparks.


Tricresyl phosphate (TCP) is useful in the clear and dark coloured flame-retardant sheeting where pigmenting or opecifying flame retardants are undesirable
Tricresyl phosphate (TCP) is used as a plasticizer for PVC processing and as a flame retardant (non-flammable) agent in plastic, rubber and hydraulic systems.


Tricresyl phosphate (TCP) is used in high pressure cooling oils additive is used as a soot and lead scavenger in gasoline.
Phosphoric acid esters (organophosphates) are used as flame retardant in industrial applications such as rubber, conveyor belts, plastics, cables, paint, varnish… better flame retardancy, mold resistance, wear It has resistance, low volatility and better electrical properties.


Tricresyl phosphate (TCP) is mainly used as a fire retardant of polyvinyl chloride, polyethylene, conveyor belt, artificial leather, electrical wire and cable and synthetic resin.
Tricresyl phosphate (TCP) is used as an antiwear additive in hydraulic oils.


Tricresyl phosphate (TCP) is used in PVC, polyethylene, artificial leather, film, sheet material, plate material, conveying belt, floor material, wire cable, synthetic resin, plastic, rubber and cellulose, to improve the products' processibility, anti-pollution, mildew resistance and abrasion resistance.
Tricresyl phosphate (TCP) can be used in paints in order to increase the flexibility of paint film.


Tricresyl phosphate (TCP) is mainly used in PVC, PE, conveyor belts, leather, wire and cable, and flame-retardant synthetic resin.
Tricresyl phosphate (TCP) can also be used in gasoline additive, lubricant additive
Tricresyl phosphate (TCP) offers excellent hydrolysis stability, good electric insulation performance, superior mildew resistance and abrasion resistance.


Tricresyl phosphate (TCP) is compatible with synthetic rubber, PVC, polyester, polyolefin, vinyl resin, nitrocellulose, butyl rubber and chloroprene rubber.
The goods is a primarily plasticizer, Tricresyl phosphate (TCP) has the better good flame retardancy, mildew resistance, abrasion resistance, the low volatile and better electrical properties.


Tricresyl phosphate (TCP) is mainly used for the fire retardation of polyvinyl chloride, polyethylene, conveyer belt, artificial leather, electrical wire and cable and synthetic resin.
Tricresyl phosphate (TCP) can also be used as a gasoline additive, lubricating oil additive and hydraulic oil.


Tricresyl phosphate (TCP) is used in synthetic rubber, PVC, polyester, polyolefin and soft polyurethane foam plastics as flame retardants.
Tricresyl phosphate (TCP) can give high polymer good abrasion resistance, weatherability, mildew resistance, radiation resistance and electric properties.
Tricresyl phosphate (TCP) can also be used as a gasoline additive, lubricating oil additive and hydraulic oil


Tricresyl phosphate (TCP) is used as a plasticizer for polystyrene nitrocellulose, plastics, flame retardant for waterproofing, heat exchanger, pressure lubricating oils, additive for hydraulic fluids, colorless, odorless, .
Tricresyl phosphate (TCP) is mainly used as fire retardant of polyvinyl chloride, polyethylene, conveyor belt, artificial leather, electrical wire and cable and synthetic resin.


Tricresyl phosphate (TCP) is used as an antiwear additive in hydraulic oils.
Tricresyl phosphate (TCP) is used as a plasticizer, plastic, rubber for PVC processing, and as a flame retardant (non-flammability) agent in hydraulic systems.


Tricresyl phosphate (TCP) is used as an additive in high pressure cooling oils and as a lead scavenger in gasoline.
Phosphoric acid esters (organophosphates) are used as flame retardants in industrial applications—such as rubber, conveyor belts, plastics, cables, paint, varnish…


Tricresyl phosphate (TCP) is used as a plasticizer in nitrocellulose and acrylate lacquers and varnishes and in polyvinyl chloride, a flame retardant in plastics and rubbers, as a gasoline additive as a lead scavenger for tetra-ethyl lead, in hydraulic fluids, as a heat exchange medium, for waterproofing of materials, as a solvent for extractions, a solvent for nitrocellulose and other polymers, and an intermediate in organic synthesis.


Tricresyl phosphate (TCP) is also used as an AW additive and EP additive in lubricants, and as a hydraulic fluid.
As a gasoline additive, Tricresyl phosphate (TCP) also helps preventing engine misfires.
Tricresyl phosphate (TCP) is mainly used in PVC, PE, conveyor belts, leather, wire and cable, and flame-retardant synthetic resin.


Tricresyl phosphate (TCP) can also be used in gasoline additive, lubricant additive.
Tricresyl phosphate (TCP) is mainly used in PVC, PE, conveyor belts, leather, wire and cable, and flame-retardant synthetic resin.
Tricresyl phosphate (TCP) can also be used in gasoline additive, lubricant additive
Tricresyl phosphate (TCP) has better flame retardancy, mildew resistance, abrasion resistance, low volatility and better electrical properties.



PHYSICAL and CHEMICAL PROPERTIES of TRICRESYL PHOSPHATE (TCP):
Appearance: Transparent liquid with an aromatic odor; Colorless to slightly light yellow liquid
Flash Point: ≥225°C (open); ≥230°C (open)
Relative Density (20°C): 1.160-1.180 g/cm³; 1.170-1.180 g/cm³
Acid Value (mg KOH/g): ≤0.1; 0.5 max
Free Phenol: ≤0.1%
Chroma (APHA): ≤50; ≤80
Loss on Heat: ≤0.1%
Specific Gravity at 25°C: 1.165-1.175
Refractive Index at 25°C: 1.540-1.560
Phosphorus Content (%): 8.4-8.5%
Molecular Weight: 368.4 g/mol

XLogP3: 5.1
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 4
Rotatable Bond Count: 6
Exact Mass: 368.11774614 g/mol
Monoisotopic Mass: 368.11774614 g/mol
Topological Polar Surface Area: 44.8 Ų
Heavy Atom Count: 26
Formal Charge: 0
Complexity: 392
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
Formula: C21H21O4P
CAS No.: 1330-78-5
EC No.: 215-548-8
HS CODE: 2919900090
Content (%): ≥99
Density (20°C) (g/ml): ≤1.18
P Content (%): ≥8.4
Viscosity (25°C): 50-70 mPa·s; 65-75 mPa·s

Molecular Formula: C21H21O4P
CAS Number: 1330-78-5
Son: 368
Appearance: Clear liquid
Chroma (pt-co): ≤80
Acid Value (mg KOH/g): ≤0.1
Relative Density (g/cm³) after (20°C): 1.170-1.180
Flash Point (°C): ≥230
Free Phenol (%): ≤0.1
Moisture (%): ≤0.1
Viscosity (mPa·s) at 25°C: 50-70
Phosphorus Content (%): 8.4
Heat Reduction (%): ≤0.1



FIRST AID MEASURES of TRICRESYL PHOSPHATE (TCP):
-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 TRICRESYL PHOSPHATE (TCP):
-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 TRICRESYL PHOSPHATE (TCP):
-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 TRICRESYL PHOSPHATE (TCP):
-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 TRICRESYL PHOSPHATE (TCP):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.



STABILITY and REACTIVITY of TRICRESYL PHOSPHATE (TCP):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature) .
-Possibility of hazardous reactions:
No data available