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Sodium carbonate decahydrate, Pharmpur®, Ph Eur, BP

- Synonyms: Soda decahydrate
- Na2CO3·10H2O
- M = 286,14 g/mol
- CAS [6132-02-1]
- EINECS-No.: 207-838-8
- Solub. in water: (20 ºC): ~ 210 g/l
- Melting point: 33 ºC
- LD 50 (oral, rat): 4090 mg/kg (anhydrous substance)
- 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, for pharmaceutical use, in food industry (E 500), in the textile industry, whitener agent.

SPECIFICATIONS
assay (acidimetric, as Na2CO3): 36,7 - 40,0 %
Identification A (EP): passes test
Identification carbonates: passes test
Identification sodium: passes test
appearance of solution: passes test
alkali hydroxides and bicarbonates: passes test
chlorides (Cl): max. 50 ppm
sulfates (SO4): max. 100 ppm:
arsenic (As): max. 2 ppm
iron (Fe): max. 20 ppm