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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 %