Anidride cromica, EssentQ®, Reag. Ph Eur

- Synonyms: Chromium trioxide, Chromic anhydride
- CrO3
- M = 99,99 g/mol
- CAS [1333-82-0]
- EINECS-No.: 215-607-8
- Solub. in water: (20 ºC): soluble
- Melting point: 197 ºC
- LD 50 (oral, rat): 80 mg/kg
- EC-Index-No.: 024-001-00-0
- ADR: 5.1 OTC II UN 1463
- IMDG: 5.1 II UN 1463
- IATA/ICAO: 5.1 II UN 1463
- GHS-signal word: Danger
- GHS-H sentences: H271 - H301 - H311 - H330 - H334 - H340 - H350 - H372 - H361f - H314 - H400 - H410 - H317
- GHS-P sentences: P221 - P283 - P301+P310 - P303+P361+P353 - P305+P351+P338 - P320 - P370+P378 - P405 - P501a
- Tariff number: 2819 10 00 00
- Applications: analytical chemistry, corrosion inhibitor, photography, oxidizing agent (synthesis of organic products), microscopy.

SPECIFICATIONS
assay (iodometric): min. 99 %
insoluble in water: max. 0,1 %
chlorides (Cl): max. 0,02 %
sulfates (SO4): max. 0,05 %
loss on drying (105 ºC): max. 1 %