POTASSIUM NITRATE AR

Chemical Information
Article No.	AL3744
Grade	AR
Purity	99%
CAS Number	7757-79-1
Molecular Formula	KNO3
Molecular Weight	101.11
HS Code	28342100
Shelf Life	5 years

Physical Properties
Physical state at 20 °C	Solid
Vapour density	3
Colour	White crystalline
Solubility in water(% weight)	36 gm/l00 ml water
Boiling point(°C)	400 °C
Melting point/ Freezing point(°C)	334 °C
pH value	5.5 - 8.0
Density (g/cm3)	2.109
Odour	Odorless

Safety Information and Hazard Symbols
Precaution Statement	P220
Hazardous Statement	H272
Symbol	GHS03
Signal Word	Warning
Packing Group	III

Specifications
Phosphate (PO4)	Max 0.0005%
Sulphate (SO4)	Max 0.003%
Heavy metals (as Pb)	Max 0.0005%
Chloride (Cl)	Max 0.001%
Arsenic (As)	Max 0.0003%
Appearance	White crystalline powder
Iron (Fe)	Max 0.0003%
Sodium (Na)	Max 0.02%
Calcium (Ca)	Max 0.001%