POTASSIUM CARBONATE ANHYDROUS AR/ACS

Chemical Information
Article No.	AL3665
Grade	AR/ACS
Purity	99.50%
CAS Number	584-08-7
Molecular Formula	K2CO3
Molecular Weight	138.21
HS Code	28364000
Shelf Life	5 Years

Physical Properties
Physical state at 20 °C	Solid
Solubility in water(% weight)	138 g/l at 20 °C - completely soluble
Colour	White crystalline
Melting point/ Freezing point(°C)	891 °C
pH value	11 - 13 at 138 g/l at 25 °C
Density (g/cm3)	2.43
Odour	Odorless

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P261-P305 + P351 + P338
Symbol	GHS07
Hazardous Statement	H302-H315-H319-H335

Specifications
Phosphate (PO4)	Max 0.001%
Iron (Fe)	Max 0.0005%
Calcium (Ca)	Max 0.001%
Magnesium (Mg)	Max 0.0005%
Chloride (Cl)	Max 0.002%
Appearance	A hygroscopic white crystalline powder
Silicate (SiO2)	Max 0.005%
Sodium (Na)	Max 0.02%