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Cobalt sulfate Manufacturer/High quality/Best price/In stock
Cas No: 10124-43-3
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High quality Cobalt Sulfate supplier in China
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No Data 1 Metric Ton 30 Metric Ton/Month Simagchem Corporation Contact Supplier
Amadis Chemical offer CAS#10124-43-3;CAT#A800357
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No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
Cobalt Sulfate
Cas No: 10124-43-3
USD $ 1.0-2.0 / Metric Ton 5 Metric Ton 1000 Metric Ton/Month Henan Sinotech Import&Export Corporation Contact Supplier
Factory Supply Cobalt sulfatee
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No Data 1 Kilogram 400 Metric Ton/Day Ality Chemical Corporation Contact Supplier
TIANFU-CHEM CAS:10124-43-3 Cobalt sulfate
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No Data 1 Gram 1 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
Cobalt sulfate/ LIDE PHARMA- Factory supply / Best price
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Factory supply feed/industrial grade Cobalt Sulfate Cas 10124-43-3 with good quality
Cas No: 10124-43-3
USD $ 10.0-75.0 / Kilogram 25 Kilogram 20 Metric Ton/Month Wuhan Fortuna Chemical Co.,Ltd Contact Supplier
Cobalt sulfate CAS:10124-43-3
Cas No: 10124-43-3
USD $ 8.0-10.0 / Kilogram 1 Kilogram 10000 Metric Ton/Month Baoji Guokang Healthchem co.,ltd Contact Supplier
High Purity Cobalt sulfate Manufacturer/High quality/Best price/In stock Cas No: 10124-43-3
Cas No: 10124-43-3
USD $ 1.0-3.0 / Gram 10 Gram 1000 Kilogram/Month Wuhan Monad Medicine Tech Co.,LTD Contact Supplier

10124-43-3 Usage


Cobalt(II) sulfate is used in storage batteries and electroplating baths for cobalt. It also is used as a dryer for lithographic inks; in pigments for decorating porcelains; in ceramics, glazes and enamels to protect from discoloring; and as a additive to soils.

Purification Methods

Crystallise it three times from conductivity water (1.3mL/g) between 100o and 0o depending on which hydrate is required. The heptahydrate crystallises below 44o and is efflorescent with m 97o . Between 44o and 70o the monoclinic hexahydrate CoSO4.6H2O m 41.5o is formed, and above 70o the monohydrate CoSO4.H2O m 71o is obtained. The pale reddish or lavender-coloured anhydrous salt is obtained by heating the hydrate above 250o, boiling with conc H2SO4 or heating with (NH4)2SO4).

General Description

Odorless rose-pink solid. Sinks and mixes with water.

Physical Properties

The anhydrous salt of cobalt(II) sulfate is a red orthogonal crystal; density 3.71g/cm3; melts above 700°C; the monohydrate is red orthogonal crystal having a density of 3.08 g/cm3; the heptahydrate is a pink salt, monoclinic prismatic crystals, density 2.03 g/cm3; heptahydrate dehydrates to hexahydrate at 41°C and converts to monohydrate at 74°C; the anhydrous salt and heptahydrates are soluble in water; monohydrate slowly dissolves in boiling water.

Fire Hazard

Special Hazards of Combustion Products: Toxic cobalt oxide fumes may form in fire.


Cobalt(II) sulfate is prepared by dissolving cobalt(II) oxide, hydroxide or carbonate in dilute sulfuric acid, followed by crystallization:
CoO + H2SO4 → CoSO4 + H2O
Co(OH)2 + H2SO4 → CoSO4 + 2H2O
CoCO3 + H2SO4 → CoSO4 + CO2 + H2O
Crystallization yields the commercial product, pink heptahydrate. Further oxidation of this salt in dilute H2SO4 with ozone or fluorine produces hydrated cobalt(III) sulfate, Co2(SO4)3•18H2O. This blue octadecahydrate, Co2(SO4)3•18H2O also is obtained by electrolytic oxidation of cobalt(II) chloride or any cobalt(II) salt solution in 8M sulfuric acid.

Reactivity Profile

Acidic salts, such as Cobalt sulfate , are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.

Health Hazard

Inhalation causes shortness of breath and coughing; permanent disability may occur. Ingestion causes pain and vomiting. Contact with eyes or skin causes irritation.

Air & Water Reactions

Water soluble.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017


1.1 GHS Product identifier

Product name Cobalt sulfate

1.2 Other means of identification

Product number -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Agricultural chemicals (non-pesticidal),Corrosion inhibitors and anti-scaling agents,Intermediates,Plating agents and surface treating agents,Processing aids, not otherwise listed,Processing aids, specific to petroleum production
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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