1317-42-6

Name COBALT SULFIDE
CAS 1317-42-6
EINECS(EC#) 215-273-3
Molecular Formula CoS
MDL Number MFCD00016032
Molecular Weight 91
MOL File 1317-42-6.mol
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Chemical Properties

Appearance Brown to raddish powder
Melting point  >1116°C
density  5,45 g/cm3
vapor pressure  0Pa at 20℃
RTECS  GG3325000
solubility  insoluble in H2O; soluble in acid solutions
form  Powder
color  Red
Specific Gravity 5.45
Water Solubility  Insoluble in water.
Crystal Structure NiAs type
Sensitive  moisture sensitive
crystal system Six sides
Space group P63/mmc
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.3370.3370.51690901200.0508
Exposure limits ACGIH: TWA 0.02 mg/m3
CAS DataBase Reference 1317-42-6(CAS DataBase Reference)
EPA Substance Registry System Cobalt(II) sulfide (1317-42-6)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)Environment (GHS09)
GHS07,GHS09
Signal word  Warning
Hazard statements  H317-H400-H410
Precautionary statements  P261-P280g-P302+P352a-P321-P333+P313-P501a
Hazard Codes  Xi,N
Risk Statements 
R43:May cause sensitization by skin contact.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S24:Avoid contact with skin .
S37:Wear suitable gloves .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  3077
TSCA  Yes
REACH Registrations Active
HazardClass  9
Safety Profile
Suspected carcinogen with experimental tumorigenic data. Mutation data reported. If dried at 300’C it igmtes spontaneously in air. See also COBALT COMPOUNDS and SULFIDES.
Hazardous Substances Data 1317-42-6(Hazardous Substances Data)

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