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Send EmailCerium Fluoride, Cerous Fluoride, Cerium (III) Fluoride, 7758-88-5
Chemical Name: Cerium(III) Fluoride
Chemical Formula: CeF₃
CAS Number: 7758-88-5
EC Number: 231-841-3
Molecular Weight: 197.11 g/mol
Appearance: White or off-white powder, crystalline form
Melting Point: ~1460 °C
Solubility: Insoluble in water, soluble in strong acids
Stability: Stable at room temperature, non-hygroscopic
Density: ~6.16 g/cm³
Crystal Structure: Hexagonal
Optical glass manufacturing: Controls UV transmission and reduces refractive loss
Laser crystals: Used in scintillation and magneto-optical systems
Electronics: Additive in semiconductors and vacuum systems
Coating technologies: Used in evaporation and sputtering targets
Nanotechnology: Intermediate for CeO₂ production
Defense industry: Applied in laser systems and optical filters
| Descriptor | Value |
|---|---|
| CAS Number | 7758-88-5 |
| EC Number | 231-841-3 |
| UN Number | 3077 (environmentally hazardous) |
| Customs HS Code | 2846.90.00.00.19 |
| Other Names | Cerium Fluoride, Cerous Fluoride, Cerium(III) Fluoride |
Cerium Oxide (CeO₂): Alternative in optical and catalyst applications
Lanthanum Fluoride (LaF₃): Similar optical properties
Zirconium Fluoride (ZrF₄): Used in glass and fiber optic systems
Neodymium Fluoride (NdF₃): Similar function in laser and optical applications
| Sector | Compatibility | Notes |
|---|---|---|
| Optics & Lasers | ✅ | Used in scintillation and filter systems |
| Electronics | ✅ | Additive in vacuum and semiconductor systems |
| Defense Industry | ✅ | Applied in laser optics and filters |
| Nanotechnology | ✅ | Intermediate for CeO₂ synthesis |
| Cosmetics | ❌ | Not suitable for direct use |
| Food & Pharma | ❌ | Prohibited due to fluoride content |
Cerium salt
White fluoride crystal
Optical additive
Cerium fluoride powder
Ore Source: Cerium-rich ores
Process: Reaction with hydrofluoric acid → Filtration → Crystallization
Grades Available: Technical and high-purity grades
Main Producer Countries: China, India, USA
Commercial Purity Grades: 99% to 99.999%
Optical glass manufacturing: Controls UV transmission and refractive index
Laser crystal production: Used in scintillation and magneto-optical systems
Electronic vacuum systems: Surface additive and protective layer
Defense optics: Precision filtering in laser systems