Sodium carbonate anhydrous, Pharmpur®, Ph Eur, BP, NF

- Synonyms: Anhydrous soda
- Na2CO3
- M = 105,99 g/mol
- CAS [497-19-8]
- EINECS-No.: 207-838-8
- Solub. in water: (20 ºC): 220 g/l
- Melting point: 854 ºC
- Boiling point: 1600 ºC (decomposes)
- LD 50 (oral, rat): 4090 mg/kg
- EC-Index-No.: 011-005-00-2
- GHS-signal word: Warning
- GHS-H sentences: H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P337+P313
- Tariff number: 2836 20 00 00
- Applications: analytical chemistry, laboratory reagent, to make sodium salts, manufacture of glass, detergent, in the textile industry, photography, in the pharmaceutics industry, in food industry (E 500).

SPECIFICATIONS
assay (acidimetric, referred to dried sample): 99,5 - 100,5 %
Identification A (EP): passes test
Identification B (EP/USP): passes test
Identification C (EP) / A (USP): passes test
appearance of solution: passes test
alkali hydroxides and bicarbonates: passes test
chlorides (Cl): max. 125 ppm
sulfates (SO4): max. 250 ppm
iron (Fe): max. 50 ppm
water content: max. 0,5 %
loss on drying (300 °C): max. 1,0 %