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Copper(II) nitrate trihydrate, EssentQ®

- Synonyms: Copper dinitrate trihydrate
- Cu(NO3)2·3H2O
- M = 241,60 g/mol
- CAS [10031-43-3]
- EINECS-No.: 221-838-5
- Solub. in water: (20 ºC): soluble
- Melting point: ~ 114 ºC
- LD 50 (oral, rat): 940 mg/kg
- ADR: 5.1 OC2 II UN 3085
- IMDG: 5.1 II UN 3085
- IATA/ICAO: 5.1 II UN 3085
- GHS-signal word: Danger
- GHS-H sentences: H272 - H302 - H314 - H410
- GHS-P sentences: P221 - P210 - P305+P351+P338 - P370+P378 - P321 - P501a
- Tariff number: 2834 29 40 00
- Applications: analytical chemistry, in galvanotechnia, spraying reagent in thin layer chromatography, in porcelain industry (colouring agent).
- Appearance: Blue crystals

SPECIFICATIONS
assay (iodometric): 98 - 103 %
insoluble in water: max. 0,025 %
pH (5 %, H2O): min. 2,8
chlorides (Cl): max. 0,003 %
sulfates (SO4): max. 0,01 %
arsenic (As): max. 0,0001 %
calcium (Ca): max. 0,05 %
iron (Fe): max. 0,01 %
lead (Pb): max. 0,005 %
magnesium (Mg): max. 0,01 %
nickel (Ni): max. 0,05 %
non precipitable with H2S (as SO4): max. 0,1 %