Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

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

Catalog No. AA1252422
Click to view available options
Quantity:
100 g
500 g
2 kg

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.

TRUSTED_SUSTAINABILITY

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
Show More Show Less
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

Product Content Correction

Your input is important to us. Please complete this form to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Your feedback has been submitted: Thank you for helping us improve our website.