Trisodium phosphate CAS 7601-54-9

CAS: 7601-54-9

Molecular Formula: Na3O4P

Molecular Weight: 163.940671

EINECS: 231-509-8

Synonyms: TSPA; TSPC; TRI-SODIUM ORTHOPHOSPHATE; antisal4; dri-tri; emulsiphos440/660; nutrifosstp; oakite

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What is Trisodium phosphate?

Trisodium phosphate, also known as' sodium orthophosphate '. The chemical formula is Na3PO4 · 12H2O. Colorless to white needle shaped crystals or crystalline powders, with a melting point of 73.4 ° C for dodecahydrate. Dissolved in water, the aqueous solution exhibits strong alkalinity due to the strong hydrolysis of phosphate ions (PO43-); Insoluble in ethanol and carbon disulfide. It is prone to deliquescence and weathering in dry air, producing sodium dihydrogen phosphate and sodium bicarbonate. Almost completely decomposed into disodium hydrogen phosphate and sodium hydroxide in water. Trisodium phosphate is one of the important product series in the phosphate industry, widely used in modern chemical industry, agriculture and animal husbandry, petroleum, papermaking, detergents, ceramics and other fields due to its special properties.

Specification

Specifications	Superior quality	First-grade	Qualified products
Trisodium Phosphate(as Na3PO4·12H2O) % ≥	98.5	98.0	95.0
Sulfate( as SO4)% ≤	0.50	0.50	0.80
Chloride(as Cl)% ≤	0.30	0.40	0.50
Water insoluble matter % ≤	0.05	0.10	0.30
methyl orange alkalinity(as Na2O)	16.5-19.0	16-09.0	15.5-19.0
Iron (Fe) % ≤	0.01	0.01	0.01
Arsenic (As) % ≤	0.005	0.005	0.05

Application

Trisodium phosphate is a moisture retention agent in the food industry, it is used in canned food, fruit juice beverages, dairy products, meat products, cheese, and beverages. Used as a water softener and detergent in industries such as chemical, textile, printing and dyeing, papermaking, and power generation, boiler anti scaling agent, water softener in paper dyeing, pH buffering agent for adhesives used in wax paper production, fixing agent during printing and dyeing, silk gloss enhancer for fabrics, and anti brittleness agent for production lines. Metallurgical industry is used as a chemical degreasing and cleaning agent, and as an excellent promoter in photographic development solutions. Teeth cleaning agents and bottle cleaning detergents. Coagulant for rubber milk. Sugar juice purifier.