Stannic oxide , AR,99.5% , 18282-10-5

Synonym(s):
SN516010;Stannic oxide;Tin dioxide;Tin oxide;Tin(IV) oxide

CAS NO.：18282-10-5

Empirical Formula: O2Sn

Molecular Weight: 150.71

MDL number: MFCD00011244

EINECS: 242-159-0

PRODUCT Properties

• Melting point: 1127 °C
• Boiling point: 1800-900°C
• Density: 6.95 g/mL at 25 °C(lit.)
• refractive index: 1.9968
• Flash point: 1800-1900°C
• storage temp.: Store at +5°C to +30°C.
• solubility: Soluble in hot concentrated alkalis, and concentrated acids. Insoluble in alcohol.
• form: nanopowder
• color: White to slightly gray
• Specific Gravity: 7
• PH: 4-5 (50g/l, H2O, 20℃)(slurry)
• Water Solubility: INSOLUBLE
• Hydrolytic Sensitivity: 6: forms irreversible hydrate
• Crystal Structure: Rutile type
• crystal system: square
• Sublimation: 1800-1900 ºC
• Merck: 14,8778
• Space group: P42/mnm
• Lattice constant:
  • a/nm: 0.4737
  • b/nm: 0.4737
  • c/nm: 0.3185
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.0715
• Exposure limits: ACGIH: TWA 2 mg/m3; NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3
• Stability: Stable.

Description and Uses

Stannic oxide (SnO2) is a whitish powder used as a ceramic glaze and polishing agent.

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
• OEB: B
• OEL: TWA: 2 mg/m3
• HS Code: 2825908590
• Toxicity: LD50 orally in Rabbit: > 20000 mg/kg