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Cobalt Nitrate
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Product Name: Cobalt Nitrate
High Quality
Earliest Shipment
Competitive price
Professional service


Cobalt nitrate is the inorganic cobalt(II) salt of nitric acid, often with various amounts of water. It is more commonly found as a hexahydrate, Co(NO3)2·6H2O, which is a red-brown deliquescent salt that is soluble in water and other polar solvents



Cobalt(II) nitrateIdentifiersPropertiesStructureHazardsRelated compounds
Other names[hide]Cobaltous nitrate
Nitric acid, cobalt(2+) salt
CAS number10141-05-6 Y, 
10026-22-9 (hexahydrate)
ChemSpider23369 Y
EC number233-402-1
RTECS numberGG1109000
Jmol-3D imagesImage 1
[show]InChI=1S/Co.2NO3/c;2*2-1(3)4/q+2;2*-1 Y
Key: UFMZWBIQTDUYBN-UHFFFAOYSA-N Y InChI=1/Co.2NO3/c;2*2-1(3)4/q+2;2*-1
Molecular formulaCo(NO3)2
Molar mass182.943 g/mol (anhydrous)
291.03 g/mol (hexahydrate)
Appearancepale red powder (anhydrous)
red crystalline (hexahydrate)
Density2.49 g/cm3 (anhydrous)
1.87 g/cm3 (hexahydrate)
Melting point

100 °C, decomp (anhydrous)
55 °C (hexahydrate)

Boiling point

100–105 °C, decomp (hexahydrate)

Solubility in water134 g/100 ml, 0 °C (hexahydrate)
soluble (anhydrous)
Solubilitysoluble in alcohol, acetone (hexahydrate)
monoclinic (hexahydrate)
MSDSCobalt (II) Nitrate MSDS
EU Index027-009-00-2
EU classificationCarc. Cat. 2
Muta. Cat. 3
Repr. Cat. 2
Toxic (T)
Dangerous for the environment (N)
R-phrasesR49, R60, R42/43, R68, R50/53
NFPA 704020
Other anionsCobalt(II) sulfate
Cobalt(II) chloride
Cobalt oxalate
Other cationsIron(III) nitrate
Nickel(II) nitrate

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