Nickel Chloride
Structural Formula Vector Image
Title: Nickel Chloride
CAS Registry Number: 7718-54-9
Additional Names: Nickel dichloride
Molecular Formula: Cl2Ni
Molecular Weight: 129.60
Percent Composition: Cl 54.71%, Ni 45.29%
Line Formula: NiCl2
Literature References: Evaluation of carcinogenic risk: IARC Monographs 49, 257-445 (1990). Review of toxicology and human exposure: Toxicological Profile for Nickel (PB2006-100005, 2005) 397 pp.
Properties: Yellow deliquescent scales. Soly in water (g/l): 642 (20°), 876 (100°). Sol in ethanol, ammonium hydroxide. Insol in nitric acid. Sublimable in absence of air and readily absorbs NH3. The aq soln is acid; pH about 4. Keep well closed. LD50 in mice, rats (mg/kg): 48, 11 i.p. (IARC).
Toxicity data: LD50 in mice, rats (mg/kg): 48, 11 i.p. (IARC)
Derivative Type: Hexahydrate
CAS Registry Number: 7791-20-0
Properties: Green, deliquesc crystals or cryst powder. Monoclinic. Structure reported to be trans-[NiCl2(H2O)4].2H2O: Mizuno, J. Phys. Soc. Jpn. 16, 1574 (1960), C.A. 55, 26605g (1961). Sol in about one part water, in alcohol.
CAUTION: Nickel compounds are listed as known human carcinogens: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-181.
Use: Anhydr salt as absorbent for NH3 in gas masks. Hexahydrate for nickel electroplating; manuf nickel catalysts.

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