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Potassium chromate, for analysis, ExpertQ®, ACS

- Synonyms: Chromic acid potassium saltr- K2CrO4r- M = 194,2 g/molr- CAS [7789-00-6]r- EINECS-No.: 232-140-5r- Solub. in water: (20 ºC): 630 g/lr- Melting point: 968,3 ºCr- Boiling point: 1000 ºCr- LD 50 (oral, rat): 180 mg/kgr- EC-Index-No.: 024-006-00-8r- ADR: 6.1 T5 II UN 3288r- IMDG: 6.1 II UN 3288r- IATA/ICAO: 6.1 II UN 3288r- GHS-signal word: Dangerr- GHS-H sentences: H315 - H319 - H317 - H335 - H340 - H350i - H410r- GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501ar- Tariff number: 2841 50 00 00r- Applications: analytical chemistry, laboratory reagent, in the production of enamels, inorganic salts.r- Appearance: Yellow solidrrSPECIFICATIONSrassay (iodometric): min. 99,5 %rinsoluble in water: max. 0,005 %rpH (5 %, H2O): 8,6 - 9,8 rchlorides (Cl): max. 0,002 %rsulfates (SO4): max. 0,01 %rcalcium (Ca): max. 0,005 %rlead (Pb): max. 0,005 %rsodium (Na): max. 0,02 % r