PHOSPHORUS ACID CRYSTALS Extra Pure

Chemical Information
Article No.	AL5430
Grade	Extra Pure
Purity	98%
CAS Number	13598-36-2
Molecular Formula	H3PO3
Molecular Weight	82
HS Code	2811.199
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	Soluble in water
Colour	Colorless crystals
Boiling point(°C)	200 °C
Melting point/ Freezing point(°C)	73 °C
Vapour pressure (20 °C)	< 1 hPa at 20 °C
pH value	1
Density (g/cm3)	1.651
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Precaution Statement	P280-P305 + P351 + P338-P310
Hazardous Statement	H302-H314
Symbol	GHS05, GHS07
Signal Word	Danger
Packing Group	III

Specifications
Iron (Fe)	Max 0.005%
Assay	Min 98%
Heavy metals (as Pb)	Max 0.002%
Chloride (Cl)	Max 0.002%
Appearance	Colorless hygroscopic crystals