Copper Hydroxide

Description

Copper Hydroxide · CAS 1344-69-0 · CuH2O2. UNII 3314XO9W9A. Density: 3.37; Density: 3.368 @25 °C.

Identification

CAS Registry Number	1344-69-0
PubChem CID	164826
Molecular formula	CuH2O2
IUPAC name	copper dihydroxide
UNII (FDA)	3314XO9W9A

Computed Descriptors

Molecular Weight	97.56
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	96.935076
Monoisotopic Mass	96.935076
Topological Polar Surface Area	2
Heavy Atom Count	3
Formal Charge	0
Complexity	0

Physical & Chemical Properties

Density	3.37
Density	3.368 @25 °C

Physical description & handling notes

• Blue to green solid; [HSDB] Insoluble in water; Decomposes to Copper (II) oxide in hot water; [Ullmann]
• Blue to blue green gel or light blue crystalline powder
• Blue-green powder
• Decomposes at melting point, with loss of water.
• Sol in acids, ammonium hydroxide; sol in concn alkali when freshly precipitated.
• Soluble in acid solutions, concentrated alkaline solutions

Regulatory Status

GHS notification summary	0.1% (1 / 814)

GHS Hazard Classification

GHS notification summary	0.1% (1 / 814)
Reported hazard statements	H302, H318, H330, H400, H410, H319 (29.7%), H411 (17.7%)

Documented Uses

• Used to make rayon, battery electrodes, fungicides/insecticides, and other copper salts; Also used as a dye mordant, paper colorant, pigment, feed additive, and catalyst; [Merck Index]
• Battery Manufacturing [Category: Industry]
• Pulp and Paper Processing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Farming (Feed Additives) [Category: Industry]
• In manufacture of rayon, battery electrodes, other copper salts; as mordant in dyeing; as pigment; in fungicides, insecticides; as feed additive; in treating and staining paper; in prepn of Schweitzer's reagent; in catalysts.

Synonyms

20427-59-2; 243-815-9; Copper dihydroxide; Copper hydroxide; Copper(II) hydroxide; Cupric hydroxide; Cupric hydroxide (Cu(OH)2); copper;dihydroxide; 1344-69-0; Cuprichydroxide; COPPER(I)HYDROXIDE; EINECS 215-705-0; PEI 24; copper (II) hydroxide; CuH2O2; HYDRATED CUPRIC OXIDE

Frequently Asked Questions

What are the CAS number and molecular formula of Copper Hydroxide?

CAS 1344-69-0; molecular formula CuH2O2; molecular weight — g/mol.

What other names is Copper Hydroxide known by?

20427-59-2, 243-815-9, Copper dihydroxide, Copper hydroxide, Copper(II) hydroxide, Cupric hydroxide.

Is Copper Hydroxide classified as hazardous?

0.1% of GHS notifications report no hazard classification (1 of 814).

What are the key physical properties of Copper Hydroxide?

Density: 3.37; Density: 3.368 @25 °C.

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.