Changzhou Chuanlin Chemical Co., Ltd.--Sodium pyro phosphate|7722-88-5

Sodium pyro phosphate

CAS No.

7722-88-5

Chemical formula

Na₄P₂O₇

Molecular weight

265.9

Execution standards

HG-T 2968-2009（Industrial grade）
GB 1886.339-2021（Food grade）

Packaging

25kg

Packaging photos

Physical properties

Appearance	White powder
Density	2.53g/cm³
Melting point	880℃
Solubility	Easy to dissolve in water, insoluble in alcohol

Chemical indicators

Indicator Name		Industrial grade		Food grade
Indicator Name		Anhydrous	Ten Waters	Anhydrous	Ten Waters
Na₄P₂O₇，ω/%	≥	96.5	98	96.5-100.5	98
Water insoluble substances，ω/%	≤	0.15	0.1	0.2
PH value (1% aqueous solution)		9.9-10.7		9.9-10.7
Orthophosphate		Through experimentation		Through experimentation
Pb，ω/%	≤			0.001
As，ω/%	≤			0.0003
F，ω/%	≤			0.005
Burn reduction，ω/%				≤0.5	38.0-42.0

MSDS

Application

Electroplating solution, bleach, water softener, rust remover, etc

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