POTASSIUM CARBONATE AR (ANHYDROUS)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0165205000	AR	99.5%	584-08-7	K₂CO₃	138.21	2836.4000	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

11 - 13 at 138 g/l at 25 °C

Melting Point/ Freezing point [°C]

891 °C

Density [g/cm3]

2.43

Viscosity at 40°C [mm2/s]

138 g/l at 20 °C - completely soluble

Solubility in water [% weight]

138 g/l at 20 °C - completely soluble

Appearance:	A hygroscopic white crystalline powder
Insoluble matter:	Max 0.01%
Chloride (Cl):	Max 0.002%
Sodium (Na):	Max 0.02%
Iron (Fe):	Max 0.0005%
Calcium (Ca):	Max 0.001%
Magnesium (Mg):	Max 0.0005%
Phosphate (PO4):	Max 0.001%
Heavy metals (by ICP-OES):	Max 0.0005%
Sulphur compounds (as SO4):	Max 0.004%
Assay (after drying at 300°C):	99.5 - 100.5%
Loss on dryig (at 300°C):	Max 0.5%
Silicate (SiO2):	Max 0.005%

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302-H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338