6510. Nickel Hydroxide

Nomenclature

CAS number: 12054-48-7
“Green nickel oxide”.
H2NiO2; mol wt 92.71.
H 2.17%, Ni 63.31%, O 34.51%.
Ni(OH)2.

Derivative

Monohydrate.

Properties

Apple-green powder. Decomp above 200° to form NiO and H2O. Insol in water. Sol in dil acids, in ammonia.

Caution

Nickel compounds are listed as known human carcinogens: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-181.