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Calcium nitrate tetrahydrate, EssentQ®

- Synonyms: Nitric acid calcium salt tetrahydrate
- Ca(NO3)2·4H2O
- M = 236,15 g/mol
- CAS [13477-34-4]
- EINECS-No.: 233-332-1
- Solub. in water: (20 ºC): soluble
- Melting point: 42 ºC
- LD 50 (oral, rat): 3900 mg/kg
- ADR: 5.1 O2 III UN 1454
- IMDG: 5.1 III UN 1454
- IATA/ICAO: 5.1 III UN 1454
- GHS-signal word: Danger
- GHS-H sentences: H302 - H318 -
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P310 - P301+P312 - P501a
- Tariff number: 2834 29 80 00
- Applications: analytical chemistry, in pyrotechnics, in the electronic industry, in fertilizer compositions.
- Appearance: White crystals

SPECIFICATIONS
assay (complexometric): min. 98 %
insoluble in water: max. 0,01 %
pH (5 %, H2O): 4 - 7
acidity (as HNO3): max. 0,05 %
chlorides (Cl): max. 0,005 %
sulfates (SO4): max. 0,02 %
ammonium (NH4): max. 0,005 %
copper (Cu): max. 0,002 %
iron (Fe): max. 0,002 %
lead (Pb): max. 0,002 %
nickel (Ni): max. 0,002 %
non precipitable by ammonium oxalate (as SO4): max. 0,3 %