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Sodium hydrogen carbonate, Pharmpur®, Ph Eur, BP, USP

- Synonyms: Sodium bicarbonater- NaHCO3r- M = 84,01 g/molr- CAS [144-55-8]r- EINECS-No.: 205-633-8r- Solub. in water: (20 ºC): 95,5 g/lr- Melting point: 270 ºC (decomposes)r- Vapour pressure: (30 ºC) 8,3 hPar- LD 50 (oral, rat): 4220 mg/kgr- Tariff number: 2836 30 00 00r- Applications: analytical chemistry, laboratory reagent, to make sodium salts, for laboratory glassware cleaning, source of CO2 , in fire extinguishers, in food industry (E-500).rrSPECIFICATIONSrassay (acidimetric, on dried sample): 99,0 - 100,5 %rIdentification sodium: passes testrIdentification bicarbonates: passes testrappearance of solution: clear and colourlessrinsoluble matter: passes testrpH (5 %, H2O): max. 8,6 rnormal carbonate: passes testrchlorides (Cl): max. 150 ppmrsulfates (SO4): max. 150 ppmrlimit of sulfur compounds: max. 150 ppmrammonium (NH4): max. 20 ppmraluminium (Al): max. 2 ppmrarsenic (As): max. 2 ppmrcalcium (Ca): max. 100 ppm: rcopper (Cu): max. 1 ppmriron (Fe): max. 20 ppmrmagnesium (Mg): max. 0,004 %rrloss on drying (silica gel): max. 0,25 %r