Auric oxide hydrate , Au≥82% , 1303-58-8

CAS NO.：1303-58-8

Empirical Formula: Au2O3

Molecular Weight: 441.93

MDL number: MFCD00014173

EINECS: 215-122-1

PRODUCT Properties

• Melting point: 150°C
• storage temp.: 2-8°C, protect from light, stored under nitrogen
• solubility: insoluble in H2O; soluble in acid solutions
• form: Powder
• color: Brown
• Water Solubility: Insoluble in water. Soluble in HCl, HNO₃ and in NaCN solution.
• Merck: 14,4524
• crystal system: Nogata
• Space group: Fdd2
• Lattice constant:
  • a/nm: 1.2827
  • b/nm: 1.052
  • c/nm: 0.3838
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.5179
• InChI: InChI=1S/2Au.3O
• InChIKey: KQXXODKTLDKCAM-UHFFFAOYSA-N
• SMILES: O([Au]=O)[Au]=O
• CAS DataBase Reference: 1303-58-8(CAS DataBase Reference)
• EPA Substance Registry System: Gold oxide (Au2O3) (1303-58-8)

Description and Uses

Gold plating

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280a-P305+P351+P338-P321-P332+P313-P337+P313
• Hazard Codes: Xi
• Risk Statements: 36/38
• Safety Statements: 26-36
• RIDADR: UN 3263 8/PG 3
• WGK Germany: 3
• TSCA: Yes
• HS Code: 2843300000