Curpous oxide , 99% , 1317-39-1

Synonym(s):
Cuprous oxide

CAS NO.：1317-39-1

Empirical Formula: Cu2O

Molecular Weight: 143.09

MDL number: MFCD00010974

EINECS: 215-270-7

PRODUCT Properties

• Melting point: 1232 °C
• Boiling point: 1800 °C
• Density: 6 g/mL at 25 °C (lit.)
• refractive index: 2.705
• Flash point: 1800°C
• storage temp.: Inert atmosphere,Room Temperature
• solubility: insoluble in H2O
• form: powder
• color: red
• Specific Gravity: 6.
• Water Solubility: practically insoluble
• Sensitive: Air & Moisture Sensitive
• Crystal Structure: Cu2O type
• crystal system: Cube
• Merck: 14,2664
• Space group: Pn3m
• Lattice constant:
  • a/nm: 0.4259
  • b/nm: 0.4259
  • c/nm: 0.4259
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.0773
• Exposure limits: ACGIH: TWA 1 mg/m3; NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3
• Dielectric constant: 18.1（Ambient）
• Stability: Stable. May be air or light sensitive.
• CAS DataBase Reference: 1317-39-1(CAS DataBase Reference)
• NIST Chemistry Reference: Copper(i) oxide(1317-39-1)
• EPA Substance Registry System: Cuprous oxide (1317-39-1)

Description and Uses

Red pigment for glass and ceramic glazes, and as a catalystCopper(I) oxide is used in antifouling, marine paint, brazing paste, antifungal treatment for plant seeds. Used as a hydrogen scavenger in copper brass and bronze and high grade lubricants. Finds uses in glass and ceramic pigments, ferrite magnets, catalyst in organic synthesis, dyes and dye intermediates and as catalysts.

Safety

• Symbol(GHS): GHS02,GHS07,GHS09
• Signal word: Danger
• Hazard statements: H225-H319-H410
• Precautionary statements: P210-P233-P240-P241-P273-P305+P351+P338
• Hazard Codes: Xn,N,F
• Risk Statements: 22-50/53-51/53-11
• Safety Statements: 22-60-61-16-7
• RIDADR: UN 3077 9/PG 3
• WGK Germany: 3
• RTECS: GL8050000
• TSCA: Yes
• HazardClass: 9
• PackingGroup: III
• HS Code: 28255000
• Hazardous Substances Data: 1317-39-1(Hazardous Substances Data)
• Toxicity: LD50 orally in rats: 0.47 g/kg (Smyth)