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CAS No 7786-81-4 , nickel(2+)

  • Name: nickel(2+)
  • Synonyms: Nickel(II) sulfate (1:1); NiSO4; Nickelous sulfate; Nickel(II) sulfate;nickel(2+); Nickel(2+) sulfate; NICKEL SULFATE; Nickel sulfate(1:1);Nickel sulphate;sulfate;
  • CAS Registry Number:
  • Transport: UN 9141/3082
  • Melting Point: 848 ºC
  • Density: 3.68
  • Water Solubility: 27.3-27.7 G/100 ML AT 20 ºC
  • Safety Statements: R40;R43;R51/53
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • EINECS: 232-104-9
  • Molecular Weight: 154.756
  • InChI: InChI=1S/Ni.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
  • Risk Statements: S23;S36/37;S45;S61
  • Molecular Formula: NiO4S
  • Molecular Structure:CAS No:7786-81-4 nickel(2+)
References of nickel(2+)
Title: Nickel Sulfate
CAS Registry Number: 7786-81-4
CAS Name: Sulfuric acid nickel(2+) salt (1:1)
Molecular Formula: NiO4S
Molecular Weight: 154.76
Percent Composition: Ni 37.93%, O 41.35%, S 20.72%
Line Formula: NiSO4
Literature References: Soly study: F. C. Vilbrandt, J. A. Bender, Ind. Eng. Chem. 15, 967 (1923). Specific gravity, viscosity, and soly of aqueous solns of a-hexahydrate: V. R. Phillips, J. Chem. Eng. Data 17, 357 (1972). Thermal dehydration study of a-hexahydrate: N. Koga, H. Tanaka, J. Phys. Chem. 98, 10521 (1994). Acute toxicity data: E. L. Reagan, J. Am. Coll. Toxicol. 1, 685 (1992). Evaluation of carcinogenic risk: IARC Monographs 49, 257-445 (1990); Toxicology and Carcinogenesis Studies (NTP TR-454, NIH 96-3370, 1996) 379 pp. Use in patch testing for nickel allergies: V. Simonetti et al., Contact Dermatitis 39, 187 (1998). Review of toxicology and human exposure: Toxicological Profile for Nickel (PB2006-100005, 2005) 397 pp.
Properties: Pale green to yellow crystals; dec at 848°. Soly at 20° (g/l): water 293. Insol in ethanol, diethyl ether.
Derivative Type: Hexahydrate
CAS Registry Number: 10101-97-0
Properties: Two known phases. a-Form, blue to blue-green tetragonal crystals; transition to b-form at 53.3°. b-Form, green transparent crystals. a-Form is more stable; commercially available. d 2.07. Soly in water of a-form (g anhydrous salt/100 g water) at 50.00°: 52.267; of b-form at 60.11°: 55.557. Sol in ethanol. pH of 5% soln at 25°: 3.8. LD50 in male, female rats (mg/kg): 335, 264 orally (Reagan).
Density: d 2.07
Toxicity data: LD50 in male, female rats (mg/kg): 335, 264 orally (Reagan)
Derivative Type: Heptahydrate
CAS Registry Number: 10101-98-1
Properties: Green, orthorhombic crystals; efflorescent. Soly in water (g anhydrous salt/100 g water) at 0.00°: 26.189; at 25.00°: 40.469. Sol in ethanol.
CAUTION: Nickel compounds are listed as known human carcinogens: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-181.
Use: In electrolytic and electroless nickel-plating; as mordant in dyeing; in catalyst mfr; in prepn of other nickel compds.
Therap-Cat: Diagnostic aid (contact allergen).
Keywords: Diagnostic Aid.