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21651-19-4

Name TIN(II) OXIDE
CAS 21651-19-4
EINECS(EC#) 244-499-5
Molecular Formula OSn
MDL Number MFCD00011243
Molecular Weight 134.71
MOL File 21651-19-4.mol
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Chemical Properties

Appearance black crystals with a characteristic odour
Melting point  1080 °C
density  6,95 g/cm3
storage temp.  Store at RT.
solubility  insoluble in H2O, ethanol; soluble in acid solutions
form  powder
color  Blue-black
Specific Gravity 6.95
Stability: Stable. Incompatible with strong acids, strong bases.
Water Solubility  Insoluble in water, and alcohol.
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
Merck  14,8787
Exposure limits ACGIH: TWA 2 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3
CAS DataBase Reference 21651-19-4(CAS DataBase Reference)
EPA Substance Registry System Stannous oxide (21651-19-4)

Safety Data

Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
RTECS  XQ3700000
TSCA  Yes
HS Code  28259085

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