Potassium chromate, for analysis, ExpertQ®, ACS

- Synonyms: Chromic acid potassium salt - K2CrO4 - M = 194,2 g/mol - CAS [7789-00-6] - EINECS-No.: 232-140-5 - Solub. in water: (20 ºC): 630 g/l - Melting point: 968,3 ºC - Boiling point: 1000 ºC - LD 50 (oral, rat): 180 mg/kg - EC-Index-No.: 024-006-00-8 - ADR: 6.1 T5 II UN 3288 - IMDG: 6.1 II UN 3288 - IATA/ICAO: 6.1 II UN 3288 - GHS-signal word: Danger - GHS-H sentences: H315 - H319 - H317 - H335 - H340 - H350i - H410 - GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501a - Tariff number: 2841 50 00 00 - Applications: analytical chemistry, laboratory reagent, in the production of enamels, inorganic salts. - Appearance: Yellow solid SPECIFICATIONS assay (iodometric): min. 99,5 % insoluble in water: max. 0,005 % pH (5 %, H2O): 8,6 - 9,8 chlorides (Cl): max. 0,002 % sulfates (SO4): max. 0,01 % calcium (Ca): max. 0,005 % lead (Pb): max. 0,005 % sodium (Na): max. 0,02 %