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Cobalt(II) hydroxide, 99.9% (metals basis)

Catalog No. p-7049021
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100 g
500 g
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Catalog No. Quantity
AA1252422 100 g
AA1252436 500 g
AA12524A3 2 kg
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Catalog No. AA1252422

Supplier: Thermo Scientific Chemicals 01252422

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CAS: 21041-93-0 | CoH2O2 | 92.95 g/mol

Cobalt(II) hydroxide is used as a drying agent for paints and varnishes. It acts as an aid to dry the lithographic inks and catalyst in the preparation of battery electrode impregnating solutions. It is also involved in the synthesis of other cobalt compounds.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 21041-93-0
Molecular Formula CoH2O2
Molecular Weight (g/mol) 92.95
MDL Number MFCD00016015
InChI Key ASKVAEGIVYSGNY-UHFFFAOYSA-L
Synonym cobalt hydroxide, cobalt ii hydroxide, cobaltous hydrate, acmc-20aleg, cobalt 2+ dihydroxide, cobalt ii hydroxide metals basis
PubChem CID 10129900
IUPAC Name cobalt(2+);dihydroxide
SMILES [OH-].[OH-].[Co++]

Specifications

Melting Point 250°C (decomposition)
Color Pink to Purple
Physical Form Powder
Quantity 100 g
Linear Formula Co(OH)2
Merck Index 14,2442
Solubility Information Soluble in acids and ammonia; Very slightly soluble in water; Insoluble in dilute alkalis.
Formula Weight 92.95
Percent Purity 99.9%
Odor Odorless
Sensitivity Air Sensitive
Assay (metals basis)
Chemical Name or Material Cobalt(II) hydroxide
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Hazard Category H302+H332-H317-H319-H334-H350
Hazard Statement GHS H Statement
H302-H317
Harmful if swallowed.
May cause an allergic skin reaction.
Precautionary Statement P201-P202-P261-P264b-P270-P271-P272-P280-P281-P285-P301+P312-P302+P352-P304+P340-P305+P351+P338-P308+P313-P330-P333+P313-P342+P311-P363-P501c
DOTInformation Hazard Class: 9; Packaging Group: III
EINECSNumber 244-166-4
RTECSNumber GG0904500
TSCA Yes
Recommended Storage Ambient temperatures; Store under Nitrogen

RUO – Research Use Only