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POTASSIUM CARBONATE ANHYDROUS AR/ACS

Confirming to BP, USP "Store at 15–25°C"
Potash, pearl ash

COAs

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PDL00040K 1PDLP0065K
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Article No. 05336 Grade AR/ACS
Purity 99.5% CAS No. 584-08-7
Molecular Formula K2CO3 Molecular Weight 138.21
H.S. Code 2836.4000 Shelf Life 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
Solubility in water [% weight] 138 g/l at 20 °C - completely soluble

Specifications

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

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H302-H315-H319-H335
 Precaution Statement: P261-P305 + P351 + P338
Revision Date: 17-Feb-2026

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