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Cobalt(II) nitrate hexahydrate

硝酸钴六水合物

Also known as: Cobaltous nitrate hexahydrate, Cobalt dinitrate hexahydrate, COBALT NITRATE, HEXAHYDRATE REAGENT (ACS), COBALT(II) NITRATE 6 H2O, COBALTOUS NITRATE 6H2O

Cobalt(II) nitrate hexahydrate (CAS 10026-22-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CoH12N2O12 and a molecular weight of 291.03500 g/mol. It is also known as Cobaltous nitrate hexahydrate, Cobalt dinitrate hexahydrate and COBALT NITRATE, HEXAHYDRATE REAGENT (ACS). Key properties include a melting point of 55 °C(lit.) and a density of 1.88. It is classified under GHS with signal word Danger and hazard statements H272, H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10026-22-9
Jingsj CID
J-4141-0
Molecular Formula
CoH12N2O12
Chinese Name
硝酸钴六水合物
Molecular Weight
291.03500 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point55 °C(lit.)
Density1.88
Exact Mass290.97200
PSA193.14000
LogP0.18240
Refractive Index1.52
Additional Property134 g/100 mL

GHS Safety & Compliance

Oxidising / Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H272
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H341 — Suspected of causing genetic defects
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code28342920

Frequently Asked Questions

What is the CAS number of Cobalt(II) nitrate hexahydrate?

The CAS number of Cobalt(II) nitrate hexahydrate is 10026-22-9.

What are the molecular formula and molecular weight of Cobalt(II) nitrate hexahydrate?

Cobalt(II) nitrate hexahydrate has molecular formula CoH12N2O12 and molecular weight 291.03500 g/mol.

Is Cobalt(II) nitrate hexahydrate hazardous?

Cobalt(II) nitrate hexahydrate has GHS signal word Danger and hazard statements H272; H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Cobalt(II) nitrate hexahydrate (CAS 10026-22-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4141-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.