POTASSIUM PERSULPHATE Extra Pure

Chemical Information
Article No.	AL3761
Grade	Extra Pure
Purity	98%
CAS Number	7727-21-1
Molecular Formula	K2S2O8
Molecular Weight	270.31
HS Code	28334000
Shelf Life	5 Years

Physical Properties
Vapour density	9.3
Solubility in water(% weight)	27 g/l at 20 °C - completely soluble
Colour	White powder
Melting point/ Freezing point(°C)	100 °C
pH value	2.5 - 4.5
Density (g/cm3)	2.48
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Precaution Statement	P220-P261-P280-P305 + P351 + P338-P342 + P311
Hazardous Statement	H272-H302-H315-H317-H319-H334-H335
Symbol	GHS03, GHS07, GHS08
Signal Word	Danger
Packing Group	III

Specifications
Iron (Fe)	Max 0.002%
Heavy metals (as Pb)	Max 0.005%
Chloride (Cl)	Max 0.005%
Appearance	A white powder