Cobalt(II) hydroxide, 99.9% (metals basis), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11371859	Thermo Scientific Alfa Aesar 012524.22	100 g
11361859	Thermo Scientific Alfa Aesar 012524.36	500 g
11351859	Thermo Scientific Alfa Aesar 012524.A3	2 kg

Description

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 Weight (g/mol): 92.95
• InChI Key: ASKVAEGIVYSGNY-UHFFFAOYSA-L
• PubChem CID: 10129900
• SMILES: [OH-].[OH-].[Co++]

• Molecular Formula: CoH2O2
• MDL Number: MFCD00016015
• Synonym: cobalt hydroxide, cobalt ii hydroxide, cobaltous hydrate, acmc-20aleg, cobalt 2+ dihydroxide, cobalt ii hydroxide metals basis
• IUPAC Name: cobalt(2+);dihydroxide

Specifications

• Melting Point: 250°C (decomposition)
• Color: Pink to Purple
• Molecular Formula: CoH2O2
• MDL Number: MFCD00016015
• Synonym: cobalt hydroxide, cobalt ii hydroxide, cobaltous hydrate, acmc-20aleg, cobalt 2+ dihydroxide, cobalt ii hydroxide metals basis
• InChI Key: ASKVAEGIVYSGNY-UHFFFAOYSA-L
• IUPAC Name: cobalt(2+);dihydroxide
• PubChem CID: 10129900
• Percent Purity: 99.9%
• Sensitivity: Air Sensitive
• Chemical Name or Material: Cobalt(II) hydroxide

• CAS: 21041-93-0
• Physical Form: Powder
• 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.
• SMILES: [OH-].[OH-].[Co++]
• Molecular Weight (g/mol): 92.95
• Formula Weight: 92.95
• Odor: Odorless
• Assay: (metals basis)

Safety and Handling

GHS H Statement
H302-H317
Harmful if swallowed.
May cause an allergic skin reaction.

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

H302+H332-H317-H319-H334-H350

missing translation for 'dotInformation' : Hazard Class: 9; Packaging Group: III

missing translation for 'einecsNumber' : 244-166-4

missing translation for 'rtecsNumber' : GG0904500

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

RUO – Research Use Only