Disodium phosphate - chemical products - 四川环亚金属矿产有限公司

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Yellow phosphorus Polyphosphoric acid(PPA) Dicalcium Phosphate(Feed Grade) Sodium hexametaphosphate (SHMP) Sodium Tripolyphosphate (STPP) Sodium pyrophosphate Trisodium phosphate (TSP) Disodium phosphate Monosodium phosphate(MSP) Potassium pyrophosphate(TKPP) Potassium nitrate(TNT) Ammonium polyphosphate (APP) Diammonium phosphate Monoammonium phosphate (MAP) Phosphoric acid(P.acid) Urea phosphate

Disodium phosphate

Chemical formula:Na₂HPO₄·12H₂O

Molecular weight:358.14

Properties:White or colorless flow granular crystal, efflorescence in air, soluble in water easily, Sg 1.52, Melting point

35.1°C.

Uses: Used as fire-extinguishing agent for fabric, woods, paper; as soft water agent for boilers; dye auxiliary, as food

additive, acidity buffer, welding agent, plating, tannage, and in the making of pyrophosphate.

Packing: plastic lined woven bag, Net wt 25 Kg, kept in dry and ventilating place.

Technical index

NO.	Index name	Industrial grade	Food grade
1	Main content (Na2HPO4·12H2O) %=	98.0	98.0
2	PH value of 1% solution	9±0.2	9±0.2
3	Sulfate(as SO4 ) %=	1.2	1.2
4	Chloride(as CI) %=	0.05	0.02
5	Fluoride(as F) %=	0.1	0.005
6	Heavy metals(as Pb) Pb %=	____	0.001
7	As %=	____	0.0003
8	Water insoluble matter %=	0.10	0.10