Sodium Hexametaphosphate is an inorganic compound of sodium salt and hexaphosphoric acid.
Sodium hexametaphosphate is an inorganic salt having the chemical formula Na6[(PO3)6].
Sodium polyphosphate is a type of sodium phosphate and a salt of sodium ion and phosphate.
CAS Number: 68915-31-1
EC Number: 272-808-3
Chemical formula: Na6P6O18
Sodium Hexametaphosphate is a hexamer of the compound (NaPO3) 6.
Commercial Sodium Hexametaphosphate is typically a mixture of polymeric metaphosphates of which the hexamer is a and is the compound often referred to by this name.
More precisely, Sodium Hexametaphosphate is called sodium polymetasphate.
Sodium Hexametaphosphate is a salt of composition Na6[(PO3)6].
Sodium hexametaphosphate of commerce is typically a mixture of metaphosphates (empirical formula: NaPO3), of which the hexamer is one, and is usually the compound referred to by this name.
Such a mixture is more correctly termed sodium polymetaphosphate.
They are white solids that dissolve in water.
Sodium Hexametaphosphate is an inorganic salt having the chemical formula Na6[(PO3)6].
Commercially, Sodium Hexametaphosphate typically occurs as a mixture of metaphosphates having a hexamer form.
More precisely, this type of mixture can be named a sodium polymetaphosphate.
Sodium Hexametaphosphate occurs as a white solid that dissolves in water.
The other names that we can use to name Sodium Hexametaphosphate include Calgon S, glassy sodium, Graham’s salt, metaphosphoric acid, etc.
The molar mass of Sodium Hexametaphosphate is 611.77 g/mol.
Sodium Hexametaphosphate appears as white crystals, and it is odorless.
Although Sodium Hexametaphosphate is water-soluble, insoluble in organic solvents.
Sodium Hexametaphosphate is colorless transparent flake like foliated glass or float sand crystalline powder.
Sodium Hexametaphosphate’s easily soluble in water, insoluble in organic solvent such as ethanol and ether.
Sodium Hexametaphosphate absorbs moisture easily.
When put in air, it could slowly absorb moisture and turn into viscose-like substance.
Aqueous solution could react with metal ions such as Calcium, Magnesium, to form complex compound.
Sodium Hexametaphosphate's melting point is 616℃ (decompose).
Sodium Hexametaphosphate's relative density is 2.484g/cm3 (20℃）.
Sodium Hexametaphosphate should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage.
Furthermore, Sodium Hexametaphosphate must be stored separately from poisonous substances.
Sodium Hexametaphosphate is also called as Calgon.
The formula for Sodium Hexametaphosphate is (NaPO3)6.
Sodium Hexametaphosphate is a gathering of sodium polyphosphate polymers based on repeating NaPO3 units.
Sodium Hexametaphosphate is a water dissolvable polyphosphate glass that comprises of circulation of polyphosphate chain lengths.
Sodium Hexametaphosphate is a complex phosphate glass produced by a thermal process from soda ash and food-grade phosphoric acid.
Sodium Hexametaphosphate are white or clear, odorless plates.
Sodium Hexametaphosphate is a multi-purpose sequestrant and is a versatile ingredient to have on hand for your culinary creations.
Sodium Hexametaphosphate is a dry powder dispersion agent mixed into soil hydrometer solutions to prevent clay platelets from sticking together in the sedimentation solution.
Sodium Metaphosphate, Sodium Trimetaphosphate and Sodium Hexametaphosphate are all sodium polyphosphates made of repeating units of NaPO3.
Sodium Metaphosphate generally refers to a long chain of NaPO3 units that is not soluble in water, which is why it is sometimes called insoluble metaphosphate.
Sodium Trimetaphosphate has three NaPO3 units, and Sodium Hexametaphosphate has six NaPO3 units.
Both the Trimetaphosphate and the Hexametaphosphate are soluble in water.
Sodium Hexametaphosphate is one of the popular food additives and ingredients in most countries.
Sodium Hexametaphosphate is a mixture of polymeric Meta phosphates of which the Hexamer is one.
Sodium Hexametaphosphate is prepared by heating Monosodium Orthophosphate until it starts melting and the process is followed by rapid cooling.
USES and APPLICATIONS of SODIUM HEXAMETAPHOSPHATE:
One of the most common applications of Sodium Hexametaphosphate is water treatment, where it acts as a sequestrant, water softening, deflocculating, dispersing and antiscale agent.
Basically, Sodium Hexametaphosphate is aimed to prevent the steel and mineral corrosion.
A particular case of Sodium Hexametaphosphate use is the case of when it is added into a boiler compound to settle calcium hardness down in factory boiler waters with high calcium level.
Industrial applications of Sodium Hexametaphosphate are numerous and some of them appear to be helpful in diverse domains with one and the same property.
Due to its anti-staining and tartar prevention capabilities, Sodium Hexametaphosphate is successfully used as an active ingredient in toothpaste and other tooth whitening products, and it is also added to dog foods for the same reason.
Sodium Hexametaphosphate is used to stabilize the emulsion and to improve the corrosion inhibition in the paint and coating industry.
During the production, Sodium Hexametaphosphate acts as a dispersing agent affecting the pigment particles and increasing the protection properties of a product.
This formulation allows the formation of a thin film which is useful in paper making industry and in metallurgy as well.
In addition, Sodium Hexametaphosphate can usually be found in detergent formulations and such products like dishwashers, bath salts, and soaps.
Sodium Hexametaphosphate is used as a sequestrant and has applications in a wide variety of industries, including as a food additive used under E number E452i.
Sometimes sodium carbonate is added to Sodium Hexametaphosphate to raise the pH to 8.0-8.6, which produces a number of SHMP products used for water softening and detergents.
An important use for Sodium Hexametaphosphate is as a dissolving agent in the manufacture of clay-based ceramic particles.
Sodium Hexametaphosphate is also used as a dispersant to break up clay and other soil types for soil texture assessment.
Sodium Hexametaphosphate is used as an anti-staining and anti-tartar ingredient as an active ingredient in toothpastes.
Sodium Hexametaphosphate takes the hardness of the water. By softening the water, it provides better wetting of the dust in the environment.
Sodium Hexametaphosphate prevents the formation of unwanted salts and cations in the soap or detergent industry.
Artificial maple syrup, canned milk, cheese powder and dips, imitation cheese, whipped tray, packaged egg whites, steak, fish fillet, fruit jelly, frozen desserts, salad dressing, herring, breakfast cereal, ice cream, beer and bottled beverages, other Besides foods, Sodium Hexametaphosphate may contain sodium hexametaphosphate.
Sodium Hexametaphosphate is used as a sequestrant and has applications within a wide variety of industries, including as a food additive in which it is used under the E number E452i. Sodium carbonate is sometimes added to Sodium Hexametaphosphate to raise the pH to 8.0–8.6, which produces a number of Sodium Hexametaphosphate products used for water softening and detergents.
A significant use for Sodium Hexametaphosphate is as a deflocculant in the production of clay-based ceramic particles. Sodium Hexametaphosphate is also used as a dispersing agent to break down clay and other soil types for soil texture assessment.
Sodium Hexametaphosphate is used as an active ingredient in toothpastes as an anti-staining and tartar prevention ingredient.
In food industry, Sodium Hexametaphosphate is used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.
Sodium Hexametaphosphate is a food additive used in dairy product, canned milk, packaged egg whites, ice cream, seafood and meat processing.
Sodium Hexametaphosphate is also used as a sequestrant and water softening agent and detergents.
Sodium Hexametaphosphate is an active ingredient in toothpastes as an anti-staining agent.
Sodium Hexametaphosphate prevents the steel corrosion.
Further, Sodium Hexametaphosphate is used in building, water treatment and in photographic developing.
In addition, Sodium Hexametaphosphate is used as a retarder in dental alginate impression materials and as a thinner for petroleum drilling fluids.
There are different uses of Sodium Hexametaphosphate, which include using it as a sequestrant, as a food additive in the food industry, as a water softening agent, and as a detergent.
Another important use of Sodium Hexametaphosphate is using it as a deflocculant in the production of clay-based ceramic particles.
Moreover, we can use Sodium Hexametaphosphate as a dispersing agent for the breakdown of clay and other soil types in soil texture assessments.
When Sodium Hexametaphosphate is added to water normally deposits CaCO3 scale, when made more alkaline or when heated the complex phosphate inhibits precipitation.
Sodium Hexametaphosphate is advantageous where the boiler water naturally tends to become too alkaline because this reduces excess alkalinity by reversion in the boiler to an acid orthophosphate.
Sodium Hexametaphosphate is used as a surfactant, emulsifier, suspending agent, dispersing agent and as buffer.
Industrial uses include clay processing, drilling fluids and cleaning products which stick together and form clumps.
Sodium Hexametaphosphate is used in water treatment, when added to a municipal or industrial water systems it helps to reduce scale formation, corrosion, and biofilm formation in pipes and other equipment.
Sodium Hexametaphosphate(E425i) is the best performing sequestrant available.
This enables gelling agents to be hydrated at much lower temperatures.
Sodium Hexametaphosphate is also used in conjunction with sodium carbonate in certain situations.
Sodium Hexametaphosphate is used artificial maple syrup, canned milk, cheese powders and dips, imitation cheese, whipped topping, packaged egg whites, roast beef, fish fillets, fruit jelly, frozen desserts, salad dressing, herring, breakfast cereal, ice cream, beer, and bottled beverages, among other foods, can contain sodium hexametaphosphate.
Sodium Hexametaphosphate is cleared by the Meat and Poultry Inspection Division to decrease the amount of cooked-out juices in poultry, canned hams, pork shoulder picnics and loins, canned hams and pork shoulder picnics, chopped ham and bacon as follows: 5.0% phosphate in pickle at 10% pump level; 0.5% phosphate in product (only clear solutions may be injected into product).
Sodium Hexametaphosphate, also referred to as E452i, SHMP, Graham's Salt, Sodium Polymetaphosphate, or just Hex, is an additive in a variety of foods and beverages and commonly used for thickening, emulsifying, and adding texture.
Sodium Hexametaphosphate is vegan, kosher, and gluten-free.
Sodium Hexametaphosphate can be added to an assortment of food, beverage, and personal care applications such as syrups, canned milk, powdered and imitation cheese products, whipped toppings, dips, packaged egg whites and other proteins, jellies, frozen desserts, dressings, cereals, beverages, bath products, cosmetics, pet food, and more.
Additionally, Sodium Hexametaphosphate is an ingredient that is commonly added to fruit juices that contain pulp to help prevent the pulp from settling at the bottom.
Sodium Hexametaphosphate is a white, odorless powder used to thicken, emulsify, or add texture to foods, beverages, pet-related goods, and personal care products, and its additionally used in certain methods of chelation.
Sodium Hexametaphosphate is used as quality improver, pH regulator, chelating agent, binder and swelling agent.
Sodium Hexametaphosphate’s also used to stabilize natural pigment in beans, fruit vegetable cans and bean stuffing; to emulsify fat in canned meat.
For canned food and meat product, it could improve their water holding capacity and prevent fat from corrosion.
Sodium Hexametaphosphate may clarify beer to avoid turbidity,
Sodium Hexametaphosphate’s an excellent water softener without precipitation.
Sodium Hexametaphosphate generally performs very well at close-to-neutral pH ranges, while tetrasodium pyrophosphate (TSPP) and sodium tripolyphosphate (STPP) work best under alkaline conditions.
Monosodium phosphate (MSP) is often used together with SHMP for more acidic pH environments.
The so-called threshold effect refers to the ability of some phosphate compounds to inhibit the formation of carbonate or sulfate scales well below the amount that would be required for a stoichimetric 1:1 combination with the metal ions.
This apparently results by the phosphate interfering with early crystal growth.
In the case of SHMP, only 2-4 ppm is all that is required to inhibit scale formation in water with relatively high calcium levels.
In cosmetics and personal care products, Sodium Metaphosphate, Sodium Trimetaphosphate and Sodium Hexametaphosphate are used in the formulation of makeup foundations, mascara, bath products, and moisturizing and skin care products.
Sodium Hexametaphosphate is sometimes called Sodium Polymetaphosphate, which stands for a more correct chemical term, but is rarely used among manufacturers, suppliers, and distributors.
In general, all applications of Sodium Hexametaphosphate fall into two grades: food grade and industrial/tech grade.
Sodium Hexametaphosphate is used in a variety of food products and is labeled as E452i, although it is generally recognized as safe when applied in foods.
Due to its characteristics of sequestrant, thickener, emulsifier, and texturizer, Sodium Hexametaphosphate can be found in many daily products that we consume.
Sodium Hexametaphosphate is a food additive used in dairy product, canned milk, packaged egg whites, ice cream, seafood and meat processing.
Sodium Hexametaphosphate is also used as a sequestrant and water softening agent and detergents.
Sodium Hexametaphosphate is an active ingredient in toothpastes as an anti-staining agent.
Sodium Hexametaphosphate prevents the steel corrosion.
Further, Sodium Hexametaphosphate is used in building, water treatment and in photographic developing.
In addition, Sodium Hexametaphosphate is used as a retarder in dental alginate impression materials and as a thinner for petroleum drilling fluids.
Sodium Hexametaphosphate is widely used in water softeners & detergents.
Sodium Hexametaphosphate is also used in leather tanning, dyeing, laundry work and textile processing.
Sodium Hexametaphosphate is used in process called ‘threshold treatment’ which is softening of industrial water supplies.
Sodium Hexametaphosphate is used as a sequestrant and as a food additive.
Sodium Hexametaphosphate is used in a variety of applications like as a food additive, as a deflocculant in the manufacture of clay-based ceramic particles and as an active ingredient in toothpaste.
-Food additive:
As a food additive, Sodium Hexametaphosphate is used as an emulsifier.
Artificial maple syrup, canned milk, cheese powders and dips, imitation cheese, whipped topping, packaged egg whites, roast beef, fish fillets, fruit jelly, frozen desserts, salad dressing, herring, breakfast cereal, ice cream, beer, and bottled drinks, among other foods, can contain Sodium Hexametaphosphate.
-Water softener salt:
Sodium Hexametaphosphate is used in water softeners in a concentration of 0.03%.
Sodium Hexametaphosphate is the only additive other than sodium chloride.
FUNCTIONS AND APPLICATIONS OF SODIUM HEXAMETAPHOSPHATE:
(1) Sodium hexametaphosphate is used in meat products, fish sausages, ham, etc., which can improve water holding capacity, increase adhesion, and prevent fat oxidation;
(2) Sodium Hexametaphosphate is used in bean paste and soy sauce to prevent discoloration, increase viscosity, shorten fermentation period, and adjust taste;
(3) When used in fruit drinks and refreshing drinks, Sodium Hexametaphosphate can improve the juice yield, increase the viscosity, and inhibit the decomposition of vitamin C;
(4) When used in ice cream, Sodium Hexametaphosphate can improve the expansion capacity, increase the volume, enhance the emulsification effect to prevent the destruction of the paste, and improve the taste and color;
(5) Sodium Hexametaphosphate is used in dairy products and beverages to prevent gel precipitation;
(6) Adding to beer can clarify the liquor and prevent turbidity;
(7) Sodium Hexametaphosphate is used in canned beans, fruits and vegetables, it can stabilize natural pigments and protect the color of food;
(8) The aqueous solution of Sodium Hexametaphosphate is sprayed on the cured meat to improve the antiseptic performance.
PREPARATION OF SODIUM HEXAMETAPHOSPHATE:
Sodium Hexametaphosphate is prepared by heating monosodium orthophosphate to generate sodium acid pyrophosphate:
2 NaH2PO4 → Na2H2P2O7 + H2O
Subsequently, the pyrophosphate is heated to give the corresponding sodium hexametaphosphate:
3 Na2H2P2O7 → (NaPO3)6 + 3 H2O
followed by rapid cooling.
REACTIONS OF SODIUM HEXAMETAPHOSPHATE:
Sodium Hexametaphosphate hydrolyzes in aqueous solution, particularly under acidic conditions, to sodium trimetaphosphate and sodium orthophosphate.
HISTORY OF SODIUM HEXAMETAPHOSPHATE:
Hexametaphosphoric acid was named in 1849 by the German chemist Theodor Fleitmann.
By 1956, chromatographic analysis of hydrolysates of Graham's salt (sodium polyphosphate) indicated the presence of cyclic anions containing more than four phosphate groups; these findings were confirmed in 1961.
In 1963, the German chemists Erich Thilo and Ulrich Schülke succeeded in preparing Sodium Hexametaphosphate by heating anhydrous sodium trimetaphosphate.
Salt mixture of metaphosphates:
Great for combining with sodium citrate for making cheese sauces
Commonly used as a pH buffer and sequestrant Cold/hot soluble, free flowing powder.
WHAT IS THE DIFFERENCE BETWEEN SODIUM HEXAMETAPHOSPHATE AND SODIUM POLYPHOSPHATE?
Sodium hexametaphosphate and sodium polyphosphate are substances derived from sodium phosphate salts.
These are usually large molecules with complicated chemical formulas.
The key difference between sodium hexametaphosphate and sodium polyphosphate is that sodium hexametaphosphate is a specific six-chain length form of sodium metaphosphate, whereas sodium polyphosphate is an umbrella term used to name all the sodium phosphate units with four or more phosphate units.
PREPARATION OF SODIUM HEXAMETAPHOSPHATE:
Sodium Hexametaphosphate can be prepared by heating monosodium orthophosphate for the formation of sodium acid pyrophosphate, which is subsequently heated to get the corresponding sodium hexametaphosphate.
Sodium Hexametaphosphate is a type of sodium phosphate and a salt of sodium ion and phosphate.
Sodium Hexametaphosphate is formed upon heating mixtures of NaH2PO4 and Na2HPO4.
This induces a condensation reaction.
Thereafter, the specific polyphosphate is generated depending on the details of the heating and annealing.
A common derivative of sodium polyphosphates is Glassy Graham’s salt.
Sodium Hexametaphosphate is a linear polyphosphate substance having the chemical formula NaO(NaPO3)Na2.
There are some crystalline high molecular weight polyphosphates, including Kurrol’s salt and Maddrell’s salt.
WHAT IS THE DIFFERENCE BETWEEN SODIUM HEXAMETAPHOSPHATE AND SODIUM POLYPHOSPHATE?
The key difference between sodium hexametaphosphate and sodium polyphosphate is that sodium hexametaphosphate is a specific six-chain length form of sodium metaphosphate, whereas sodium polyphosphate is an umbrella term used to name all the sodium phosphate units with four or more phosphate units.
The terms Sodium Hexametaphosphate and sodium polyphosphate refer to substances derived from sodium phosphate salts.
These are usually large molecules with complicated chemical formulas.
WHY IS SODIUM HEXAMETAPHOSPHATE USED IN COSMETICS AND PERSONAL CARE PRODUCTS?
Sodium Metaphosphate, Trimetaphosphate and Hexametaphosphate inactivate metallic ions so as to prevent the deterioration of cosmetics and personal care products.
Sodium Metaphosphate is also used to polish the teeth, reduce oral odor, or otherwise cleanse or deodorize the teeth and mouth.
Sodium Trimetaphosphate minimizes the change in the pH of a solution when an acid or a base is added to the solution and Sodium Hexametaphosphate prevents the corrosion (rust) of metallic materials used in packaging cosmetics and personal care products.
PHYSICAL and CHEMICAL PROPERTIES of SODIUM HEXAMETAPHOSPHATE:
Chemical formula: Na6P6O18
Molar mass: 611.7704 g mol−1
Appearance: White crystals
Odor: odorless
Density: 2.484 g/cm3
Melting point: 628 °C (1,162 °F; 901 K)
Boiling point: 1,500 °C (2,730 °F; 1,770 K)
Solubility in water: soluble
Solubility: insoluble in organic solvents
Refractive index (nD): 1.482
Physical state: crystalline
Color: No data available
Odor: No data available
Melting point/freezing point:
Melting point/range: 628 °C - (External MSDS)
Initial boiling point and boiling range: No data available
Flammability (solid, gas): The product is not flammable.
Upper/lower flammability or explosive limits: No data available
Flash point: Not applicable
Autoignition temperature: No data available
Decomposition temperature: No data available
pH: No data available
Viscosity
Viscosity, kinematic: No data available
Viscosity, dynamic: No data available
Water solubility: soluble, (experimental)
Partition coefficient: n-octanol/water: No data available
Vapor pressure: No data available
Density: No data available
Relative density: No data available
Relative vapor density: No data available
Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: none
Other safety information: No data available
Melting Point: 640°C
Color: White
pH: 6.0 to 7.7
Physical Form: Solid
Quantity: 1 kg
Formula Weight: 611.7708g/mol
Boiling Point: 1500°C
Melting Point: 628°C
Color: White
Physical Form: Granules
Solubility Information: Soluble in water.
Insoluble in organic solvents
Formula Weight: 611.77
Odor: Odorless
Refractive Index: 1.482
Appearance: White granules
Chemical Name or Material: Sodium hexametaphosphate
Density: 2.48 g/cm³
Molecular weight/ Molar mass: 611.77 g/mol
Boiling point: 1,500 °C
Melting point: 628 °C
Chemical formula: Na6P6O18
Odour: Odourless
Appearance: White crystals
Refractive index: 1.482
pH: 8.6
Solubility: Soluble in water, insoluble in organic solvents.
FIRST AID MEASURES of SODIUM HEXAMETAPHOSPHATE:
-Description of first-aid measures:
*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.
Remove contact lenses.
*If swallowed:
After swallowing:
Make victim drink water (two glasses at most).
Consult doctor if feeling unwell.
-Indication of any immediate medical attention and special treatment needed:
No data available
ACCIDENTAL RELEASE MEASURES of SODIUM HEXAMETAPHOSPHATE:
-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 SODIUM HEXAMETAPHOSPHATE:
-Extinguishing media:
*Suitable extinguishing media:
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
*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 SODIUM HEXAMETAPHOSPHATE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Skin protection:
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Splash contact:
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Respiratory protection:
Recommended Filter type: Filter type P1
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of SODIUM HEXAMETAPHOSPHATE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
*Storage class:
Storage class (TRGS 510): 13:
Non Combustible Solids
STABILITY and REACTIVITY of SODIUM HEXAMETAPHOSPHATE:
-Reactivity:
No data available
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
no information available
-Conditions to avoid:
no information available
SYNONYMS:
Calgon
Phosphate glass
Polyphosphate sodium salt
Sodium polyphosphate
sodium cyclo-hexaphosphate
Calgon S
Glassy sodium
Graham's salt
Hexasodium metaphosphate
Metaphosphoric acid, hexasodium salt
(NaPO3)x, Na(n+2)P(n)O(3n+1)
metaphosphoric acid, hexasodium salt
Alcoa Agilu, instant
Alcoa Agilu 70
Alcoa Agilu 60
Calgon
Calgon T Powder Food Grade
Calgon T Technical
Calgon T Powder Technical
Chemi-charl
hexametaphosphate, sodium salt
sodium polyphosphates, glassy
glassy sodium
metaphosphate
phosphate glass practical grade
sodium metaphosphate, hexa
HMP, Medi-calgon
Hy-phos
Polyphos
SHMP
sodium m-phosphates
sodium hexametaphosphate
sodium polyphosphates, glassy
(sodium hexametaphosphate)
metaphosphoric acid, sodium salt
Graham' s salt
Metafos
sodium metaphosphate
sodium polymetaphosphate
RIP-40
sodium polyphosphate
Perphos Sodium
Hexametaphosphate"
Glassy sodium
Graham's salt
Hexasodium metaphosphate
Metaphosphoric acid
