Nickel Ammonium Sulfate
Title: Nickel Ammonium Sulfate
CAS Registry Number: 15699-18-0
CAS Name: Sulfuric acid ammonium nickel(2+) salt (2:2:1)
Additional Names: ammonium nickel sulfate; diammonium nickel disulfate
Molecular Formula: H8N2NiO8S2
Molecular Weight: 286.90
Percent Composition: H 2.81%, N 9.76%, Ni 20.46%, O 44.61%, S 22.35%
Line Formula: Ni(NH4)2(SO4)2
Literature References: Physical properties of aqueous solns: J. W. Mullin, M. M. Osman, J. Chem. Eng. Data 12, 516 (1967); and crystal growth rates: eidem, ibid. 18, 353 (1973). Toxicity study: E. L. Reagan, J. Am. Coll. Toxicol. 11, 694 (1992). Crystal structure of hexahydrate: T. H. Tahirov, T.-H. Lu, Acta Crystallogr. C50, 668 (1994); and thermo-stability and optical transmission properties: G. Su et al., J. Phys. D: Appl. Phys. 35, 2652 (2002). Review of toxicology and human exposure: Toxicological Profile for Nickel (PB2006-100005, 2005) 397 pp.
 
Derivative Type: Hexahydrate
CAS Registry Number: 7785-20-8
Properties: Deep-green crystalline powder. d 1.923. d20 (satd soln): 1.050. Viscosity of satd soln: 1.2´10-3 N sec/m2. Soly in water (g anhydrous salt/100 g water) at 10°: 5.19; at 25°: 7.52; at 40°: 10.9. Insol in alcohol. LD50 orally in rats: 418 mg/kg (Reagan).
Density: d 1.923; d20 (satd soln): 1.050
Toxicity data: LD50 orally in rats: 418 mg/kg (Reagan)
 
Use: Formerly in electroplating metals.

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