Stannous Oxide , AR,99% , 21651-19-4

Synonym(s):
Stannous oxide;Tin monoxide

CAS NO.：21651-19-4

Empirical Formula: OSn

Molecular Weight: 134.71

MDL number: MFCD00011243

EINECS: 244-499-5

PRODUCT Properties

• 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
• Water Solubility: Insoluble in water, and alcohol.
• Crystal Structure: PbO type
• Hydrolytic Sensitivity: 4: no reaction with water under neutral conditions
• Merck: 14,8787
• crystal system: square
• Space group: P4/nmm
• Lattice constant:
  • a/nm: 0.38029
  • b/nm: 0.38029
  • c/nm: 0.48382
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.07
• Exposure limits: ACGIH: TWA 2 mg/m3; NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3
• Stability: Stable. Incompatible with strong acids, strong bases.

Description and Uses

Reducing agent; preparation of stannous salts.

Safety

• Symbol(GHS): GHS07,GHS08
• Signal word: Danger
• Hazard statements: H302-H317-H319-H372
• Precautionary statements: P260-P280-P301+P312-P302+P352-P305+P351+P338-P314
• Safety Statements: 24/25
• OEB: B
• OEL: TWA: 2 mg/m3
• WGK Germany: 3
• RTECS: XQ3700000
• TSCA: Yes
• HS Code: 28259085