Ceriumoxide , ≥99.0% , 1306-38-3

Synonym(s):
Ceric oxide;Ceric oxide, ceria;Cerium(IV) oxide

CAS NO.：1306-38-3

Empirical Formula: CeO2

Molecular Weight: 172.115

MDL number: MFCD00010927

EINECS: 215-150-4

PRODUCT Properties

• Melting point: 2600°C
• Density: 7.13 g/mL at 25 °C(lit.)
• storage temp.: Storage temperature: no restrictions.
• solubility: insoluble in H2O, dilute acid solutions
• form: powder
• color: Yellow
• Specific Gravity: 7.132
• Odor: Odorless
• Resistivity: 10*10 (ρ/μΩ.cm)
• Water Solubility: insoluble
• Crystal Structure: Cubic
• crystal system: Cube
• Merck: 14,1989
• Space group: Fm3m
• Lattice constant:
  • a/nm: 0.54109
  • b/nm: 0.54109
  • c/nm: 0.54109
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.1584
• Stability: Stable, but absorbs carbon dioxide from the air.
• InChIKey: CETPSERCERDGAM-UHFFFAOYSA-N

Description and Uses

The addition of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures. It is used as an additive in glass industry. Cerium dioxide is mainly used as such or in formulation as a high precision polishing agent for glass products, as catalyst or catalyst support. Polishing and decolorizing glass; opacifier in vitreous enamels and photo chromic glasses; heat-resistant alloy coatings; as a cracking catalyst; as a catalyst for automobile emission control; in ceramic coatings; in phosphors; in cathodes; in capacitors; in semiconductors; in refractory oxides; gemstone polishing, as raw material for the production of glass and ceramics as well as additives in paints and varnishes.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P271-P261-P280
• Hazard Codes: Xi,Xn
• Risk Statements: 36-22
• Safety Statements: 26-24/25-23
• WGK Germany: 3
• RTECS: FK6310000
• TSCA: Yes
• HazardClass: 8
• HS Code: 28461000
• Toxicity: LD50 orally in rats: >5.0 g/kg (Lambert)