Sulfuric acid,nickel(2+) salt, hydrate (1:1:7) cas no:10101-98-1

NameSulfuric acid,nickel(2+) salt, hydrate (1:1:7)
CAS10101-98-1
SynonymsSulfuricacid, nickel(2+) salt (1:1), heptahydrate (8CI,9CI);Nickel sulfateheptahydrate;Nickelous sulfate heptahydrate;
EINECS(EC#)232-104-9
Molecular FormulaH₂O₄S . 7H₂O . Ni
Molecular Weight280.91

Appearancegreen to dark green needle-like crystals or powder

Hazard Xn: Harmful;N: Dangerous for the environment;
Risk R22
Safety

Confirmed carcinogen. Mutation data reported. When heated to decomposition it emits toxic vapors of SO_x and Ni.

Safety Information of Nickel(2+)sulfateheptahydrate (10101-98-1):
Hazard Codes: Xn,N
Risk Statements: 22-40-42/43-50/53
22:  Harmful if swallowed
40:  Limited evidence of a carcinogenic effect  
42:  May cause sensitization by inhalation 
43:  May cause sensitization by skin contact
50:  Very Toxic to aquatic organisms 
53:  May cause long-term adverse effects in the aquatic environment    
Safety Statements: 22-36/37-60-61
22:  Do not breathe dust
36:  Wear suitable protective clothing 
37:  Wear suitable gloves 
60:  This material and/or its container must be disposed of as hazardous waste 
61:  Avoid release to the environment. Refer to special instructions safety data sheet 

1.

mor-ham-oth 36 µmol/L

CRNGDP    Carcinogenesis. 14 (1993),947.