Cobalt nitrate hexahydrate

CAS Number
10026-22-9
EC Number
233-402-1

What is Cobalt nitrate hexahydrate?

Cobalt nitrate hexahydrate (CAS 10026-22-9), also known as cobaltous nitrate hexahydrate, is a water-soluble cobalt salt supplying bioavailable cobalt.

Where is Cobalt nitrate hexahydrate used?

  • Catalyst preparation: cobalt source and precursor in hydroprocessing catalysts
  • Agriculture: trace element fertilizers and animal feed supplements
  • Corrects cobalt deficiency in soils and livestock, particularly in ruminant nutrition programs.
  • Ceramics and pigments: raw material for cobalt-based colorants in glass, glazes, and specialty coatings
  • Pharmaceutical and nutraceutical: cobalt intermediate requiring precise metal content and low impurity profiles

Good to know: In Fischer-Tropsch catalysts, controlled cobalt loading is critical to performance. Reagent and high-purity analytical grades are designed for processes requiring tighter metal impurity specifications.

Commercial specifications

  • Technical grade: purity typically 98% to 99%+
  • Reagent and high-purity analytical grades available

Other Names (Synonyms)

Cobaltous nitrate hexahydrate|Cobalt(2+) nitrate hexahydrate|Co(NO3)2.6H2O|Cobalt(II) nitrate hexahydrate|Cobalt dinitrate hexahydrate|NITRIC ACID, COBALT(2+) SALT, HEXAHYDRATE|COBALTUM NITRICUM|2H2166872F

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What are the physical properties of Cobalt nitrate hexahydrate?

Melting Point 55 °C
Density 1.88 g/cm³
Appearance Red crystal, deliquescent in most air
Color Red to pinkish-brown
Form Wet Crystalline Aggregates
Water Solubility 134 g/100 mL
Refractive Index 1.52
pH 4.0 (100g/l, H2O, 20℃)

How is Cobalt nitrate hexahydrate classified and handled safely? Learn More

Danger
GHS08· Health Hazard GHS07· Irritant GHS05· Corrosive

Hazard Statements

H302 H302
H314 H314
H317 H317
H334 H334

Precautionary Statements

P203 P203
P233 P233
P260 P260
P261 P261

Which trade and regulatory codes apply to Cobalt nitrate hexahydrate?

HS Code 28342920
UN Number 1477
ADR Class 5.1
Packing Group II
Storage Class 5.1B - Oxidizing hazardous materials
WGK (Germany) 2
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