Packings
05810
Article No. 05810
Purity 99.5%
Molecular Formula Na2CO3
H.S. Code 2836.2010
Grade AR
CAS No. 497-19-8
Molecular Weight 105.99
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White powder
Odour Odorless pH value 12 at 106 g/l at 25 °C
Melting point/ Freezing point [°C] 851 °C Boiling point [°C] 400°C
Density [g/cm3] 2.532 Solubility in water [% weight] 106 g/l at 20 °C - completely soluble

Specifications

Appearance White crystalline or granular powder Assay (on anhydrous basis) Min 99.5%
Identity Passes test Appearance of solution Passes test
Insoluble matter in water Max 0.01% Moisture (at 300°C) Max 0.5%
Chloride (Cl) Max 0.002% Phosphate and silicate (as SiO2) Max 0.005%
Total sulphur (as SO4) Max 0.005% Heavy metal (as Pb) Max 0.0005%
Arsenic (As) Max 0.0005% Calcium (Ca) Max 0.03%
Iron (Fe) Max 0.0005% Potassium (K) Max 0.01%
Magnesium (Mg) Max 0.005%

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338