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Home/Compounds/Industrial Chemical/Cobalt(II) sulfate
CoO4S
155 g/mol
Industrial ChemicalDanger

Cobalt sulfate

CAS10124-43-3EC233-334-2
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Pigment, catalyst, and feed supplement

Cobalt sulfate is an inorganic salt commonly used as a pigment in ceramics and enamels, as a catalyst in various chemical reactions, and as a feed supplement to prevent cobalt deficiency in livestock.

pigment for ceramics, glazes, and enamelscatalyst in chemical processesfeed supplement for ruminants

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Restricted or banned substances

Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.

Relevant lists:California Proposition 65

CAS 10124-43-3

Related Compounds

StrongStructure SimilarSimilarity 1.00

Ferrous sulfate sesquihydrate

CAS13463-43-9

pesticide and landscaping fertilizer

StrongStructure SimilarSimilarity 1.00

Palladium(II) sulfate

CAS13566-03-5

palladium source for catalysis

StrongStructure SimilarSimilarity 1.00

Calcium sulfate dihydrate

CAS10101-41-4

Manufacture of plasterboard and plaster of Paris

StrongStructure SimilarSimilarity 1.00

Nickel sulfate hexahydrate

CAS10101-97-0

Nickel plating electrolyte

ReferenceSame Category

1,8-Diisocyanatooctane

CAS10124-86-4

Isocyanate intermediate for polyurethane production

ReferenceSame Category

Copper(II) chloride dihydrate

CAS10125-13-0

co-catalyst in Wacker process

ReferenceSame Category

Ferric ammonium sulfate

CAS10138-04-2

mordant in dyeing and printing textiles

ReferenceSame Category

5-Norbornene-2-carboxylic acid ethyl ester

CAS10138-32-6

Research chemical intermediate

Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H302Harmful if swallowed
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341Suspected of causing genetic defects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H319Causes serious eye irritation
H350May cause cancer
H360May damage fertility or the unborn child
H351Suspected of causing cancer
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance3
  • EU REACH SVHCEURegulation
    Listed· listed since 2010-12-15Source
  • California Proposition 65USRegulation
    Listed· listed since 2005-05-20Source
  • CN Catalogue of Hazardous ChemicalsCNRegulation
    Listed· listed since 2015-05-01Source

Customs Tariff Classification

The international HS code for Cobalt sulfate (CAS 10124-43-3) is 2833.29.

HS code (international, 6-digit)

2833.29

EU CN code (8-digit)

2833 29 30

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

cobalt(2+) sulfate

InChIKey

KTVIXTQDYHMGHF-UHFFFAOYSA-L

SMILES

[O-]S(=O)(=O)[O-].[Co+2]

Synonyms (15)
  • COBALT(2+) SULPHATE
  • COBALTOUS SULPHATE
  • Cobalt Brown
  • Cobalt monosulfate
  • Cobalt sulfate
  • Cobalt sulfate (CoSO4)
  • Cobalt sulfate, 7-hydrate
  • Cobalt sulphate
  • Cobalt(2+) sulfate
  • Cobalt(II) sulfate
  • Cobalt(II) sulfate, anhydrous
  • Cobalt(II) sulphate
  • Cobaltous sulfate
  • cobalt(+2) cation sulfate