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Sodium acetate trihydrate, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Acetic acid sodium salt trihydrater- CH3COONa·3H2Or- M = 136,08 g/molr- CAS [6131-90-4]r- EINECS-No.: 204-823-8r- Solub. in water: (20 ºC): 613 g/lr- Melting point: 58 ºCr- Boiling point: > 400 ºC (anhydrous substance) (decomposes)r- Flash pt. > 250 ºC (anhydrous substance)r- Ignition temp.: 607 ºCr- LD 50 (oral, rat): 3530 mg/kg (anhydrous substance)r- Tariff number: 2915 29 00 90r- Applications: analytical chemistry, laboratory reagent, in the pharmaceutics industry, in food industry (E 262), in buffer solutions (for biology).rrSPECIFICATIONSrassay (titr. with HClO4, referred to dried sample): 99,0 - 101,0 %rassay (titration with HClO4): 99,0 - 101,0 %ridentity ( IR-spectrum): passes testrappearance of solution : clear and colourlessrinsoluble in water: max. 0,005 %rpH (5 %, H2O): 7,5 - 9,0 rarsenic (As): max. 0,2 ppmrchlorides (Cl): max. 5 ppmrphosphates (as PO4): max. 2 ppmrsulfates (SO4): max. 0,002 %raluminium (Al): max. 5 ppmrcalcium (Ca): max. 0,001 %rcalcium and magnesium (as Ca): max. 0,005 %rcopper (Cu): max. 3 ppmrheavy metals (as Pb): max. 5 ppmriron (Fe): max. 5 ppmrlead (Pb): max. 5 ppmrmagnesium (Mg): max. 5 ppmrpotassium (K): max. 0,005 %rzinc (Zn): max. 5 ppmrreducing substances: passes testrr(as HCOOH): max. 0,005 %rloss on drying (130 ºC): 39,0 - 40,5 %r