Cobalt oxide

Description

Cobalt oxide · CAS 1307-96-6 · CoO. UNII V9X9644V7Q. Melting Point: About 1935 °C; Melting Point: 1935 °C; Melting Point: 1830 °C.

Identification

CAS Registry Number	1307-96-6
PubChem CID	14786
Molecular formula	CoO
IUPAC name	oxocobalt
UNII (FDA)	V9X9644V7Q

Computed Descriptors

Molecular Weight	74.933
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	74.928108
Monoisotopic Mass	74.928108
Topological Polar Surface Area	17.1
Heavy Atom Count	2
Formal Charge	0
Complexity	2

Physical & Chemical Properties

Melting Point	About 1935 °C
Melting Point	1935 °C
Melting Point	1830 °C
Density	5.7-6.7 g/cm³
Density	6.45 @25 °C

Physical description & handling notes

• Dry Powder; Large Crystals; CBI
• Solid that is dark gray (commercial product), olive green, or red; [Merck Index] Green powder, insoluble in water; [MSDSonline]
• BLACK-TO-GREEN CRYSTALS OR POWDER.
• Powder or cubic or hexagonal crystals; color varies from olive green to red depending on particle size, but the commercial material is usually dark gray
• Gray cubic crystals
• Grayish powder under most conditiond; can form green brown crystals.

GHS Hazard Classification

Reported hazard statements	H351, H301, H317, H334, H370, H371, H372, H330

Documented Uses

• Used in catalysts, dryers, waste-gas scavengers, feed additives, tungsten carbide, semiconductors, enamel coatings, and pigments for ceramics and glass; [HSDB]
• Semiconductor Manufacturing [Category: Industry]
• Glass Manufacturing [Category: Industry]
• Farming (Feed Additives) [Category: Industry]
• Ceramics making [Category: Hobbies]
• In pigments for ceramics; glass coloring and decolorization; oxidation catalyst for drying oils, fast-drying paints and varnishes; preparation of cobalt-metal catalysts, cobalt powder for binder in sintered tungsten carbide; in semiconductors.

Synonyms

Cobalt(II) oxide; 1307-96-6; oxocobalt; Cobalt monoxide; COBALTOUS OXIDE; CCRIS 4229; HSDB 239; EINECS 215-154-6; UNII-V9X9644V7Q; CI 77322; C.I. 77322; EC 215-154-6; V9X9644V7Q; COBALTOUS MONOXIDE; Prepared cobalt oxide; RefChem:127237

Frequently Asked Questions

What are the CAS number and molecular formula of Cobalt oxide?

CAS 1307-96-6; molecular formula CoO; molecular weight — g/mol.

What other names is Cobalt oxide known by?

Cobalt(II) oxide, 1307-96-6, oxocobalt, Cobalt monoxide, COBALTOUS OXIDE, CCRIS 4229.

Is Cobalt oxide classified as hazardous?

Hazard statements reported: H351, H301, H317, H334, H370.

What are the key physical properties of Cobalt oxide?

Melting Point: About 1935 °C; Melting Point: 1935 °C; Melting Point: 1830 °C; Density: 5.7-6.7 g/cm³.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.