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21041-93-0 Suppliers

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Product FOB Price Min.Order Supply Ability Supplier
High purity Various Specifications Cobalt hydroxide CAS:21041-93-0
Cas No: 21041-93-0
USD $ 100.0-500.0 / Gram 1 Gram 99999 Gram/Year Hangzhou Dingyan Chem Co., Ltd Contact Supplier
high purity Cobalt hydroxide
Cas No: 21041-93-0
No Data 1 Kilogram 2000 Metric Ton/Year Simagchem Corporation Contact Supplier
Cobalt Hydroxide
Cas No: 21041-93-0
No Data 10 Gram 10 Metric Ton/Month HANGZHOU CLAP TECHNOLOGY CO,.LTD Contact Supplier
Cobalt hydroxide Manufacturer/High quality/Best price/In stock
Cas No: 21041-93-0
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
21041-93-0 Cobalt hydroxide
Cas No: 21041-93-0
USD $ 40.0-50.0 / Gram 1 Gram 1000 Metric Ton/Day WUHAN MULEI NEW MATERIAL CO., LTD Contact Supplier
Cobalt hydroxide
Cas No: 21041-93-0
USD $ 850.0-850.0 / Kilogram 50 Kilogram 10 Metric Ton/Month Hebei yanxi chemical co.,LTD. Contact Supplier
Cobalt hydroxide CAS 21041-93-0 In stock
Cas No: 21041-93-0
USD $ 1.0-1.0 / Metric Ton 1 Metric Ton 5 Metric Ton/Day Chemwill Asia Co., Ltd. Contact Supplier
cobalt(2+) dihydroxide
Cas No: 21041-93-0
No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
Cobalt(II) hydroxide
Cas No: 21041-93-0
USD $ 1.0-1.0 / Kilogram 1 Kilogram 1000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
Factory Supply Cobalt hydroxide
Cas No: 21041-93-0
No Data 100 Gram 400 Metric Ton/Day Ality Chemical Corporation Contact Supplier

21041-93-0 Usage

Physical Properties

Two forms occur, a rose-red powder (more stable) and a bluish-green powder less stable than the red form; rhombohedral crystals; density 3.597 g/cm3; decomposes on heating; practically insoluble in water 3.2 mg/L; Ksp 1.0x10–15; soluble in acids and ammonia; insoluble in dilute alkalis.


Thermal decomposition to cobaltous oxide, CoO, occurs at 168°C in a vacuum.
Cobalt(II) hydroxide is oxidized by air and other oxidizing agents, forming cobalt(III) hydroxide, Co(OH)3. Reactions with mineral acids produce corresponding Co2+ salts.


Cobalt(II) hydroxide is used as a drier for paints and varnishes and is added to lithographic printing inks to enhance their drying properties. Other applications are in the preparation of cobalt salts; as a catalyst; and in storage battery electrodes.


Cobalt(II) hydroxide is obtained as a precipitate when an alkaline hydroxide is added to an aqueous solution of cobalt(II) salt:
CoCl2 + 2NaOH → Co(OH)2 + 2NaCl
Co(NO3)2 + 2NaOH → Co(OH)2 + 2NaNO3

21041-93-0 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (342440)  Cobalt(II)hydroxide  technical grade, 95% 21041-93-0 342440-250G 1,067.04CNY Detail
Alfa Aesar (12524)  Cobalt(II) hydroxide, 99.9% (metals basis)    21041-93-0 2kg 5649.0CNY Detail
Alfa Aesar (12524)  Cobalt(II) hydroxide, 99.9% (metals basis)    21041-93-0 500g 1763.0CNY Detail
Alfa Aesar (12524)  Cobalt(II) hydroxide, 99.9% (metals basis)    21041-93-0 100g 482.0CNY Detail
Alfa Aesar (B22045)  Cobalt(II) hydroxide, 97%    21041-93-0 250g 687.0CNY Detail
Alfa Aesar (B22045)  Cobalt(II) hydroxide, 97%    21041-93-0 50g 328.0CNY Detail



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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017


1.1 GHS Product identifier

Product name Cobalt hydroxide

1.2 Other means of identification

Product number -
Other names Cobalt(II) hydroxide

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
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).

More Details:21041-93-0 SDS

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