tetra-SODIUM PYROPHOSPHATE ANHYDROUS Extra Pure

Chemical Information
Article No.	AL4252
Grade	Extra Pure
Purity	97.50%
CAS Number	7722-88-5
Molecular Formula	Na4P2O7
Molecular Weight	265.9
HS Code	28353900
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	Soluble in water
Colour	White crystalline
Melting point/ Freezing point(°C)	94 °C
pH value	10.3
Density (g/cm3)	1.82
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P261-P305 + P351 + P338
Symbol	GHS07
Hazardous Statement	H315-H319-H335

Specifications
Iron (Fe)	Max 0.001%
Assay	Min 97.5%
Sulphate (SO4)	Max 0.02%
Lead (Pb)	Max 0.002%
Chloride (Cl)	Max 0.01%
Appearance	A white crystalline powder