POTASSIUM CARBONATE ANHYDROUS
POTASSIUM CARBONATE ANHYDROUS AR/ACS
Confirming to BP, USP
Short Name: POTASSIUM CARBONATE ANHYDROUS
Synonym: Potash, pearl ash
Basic Details
Article No.
LG3665
Grade
AR/ACS
Purity
99.5%
CAS No.
584-08-7
HS Code
2836.4000
Shelf Life
60 Months
Packings Avialable
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
Chemical 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 & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H302-H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338