Chromium(III) nitrate nonahydrate, EssentQ®
- Synonyms: Chromic nitrate nonahydrate
- Cr(NO3)3·9H2O
- M = 400,15 g/mol
- CAS [7789-02-8]
- EINECS-No.: 236-921-1
- Solub. in water: (20 ºC): 810 g/l
- Melting point: 36 - 37 °C
- LD 50 (oral, rat): 3250 mg/l
- ADR: 5.1 O2 III UN 2720
- IMDG: 5.1 III UN 2720
- IATA/ICAO: 5.1 III UN 2720
- GHS-signal word: Danger
- GHS-H sentences: H272 - H302
- GHS-P sentences: P221 - P210 - P220 - P280 - P370+P378 - P501a
- Tariff number: 2834 29 80 00
- Applications: for the synthesis of: catalyst (Cr); in the textile industry; corrosion inhibitor.
SPECIFICATIONS
assay (iodometric): min. 97 %
pH (5 %, H2O): 2 - 3
chlorides (Cl): max. 0,01 %
sulfates (SO4): max. 0,05 %
ammonium (NH4): max. 0,01 %
iron (Fe): max. 0,05 %
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