Lanthanum Fluoride
Synonym(s):Lanthanum fluoride;Lanthanum trifluoride
- CAS NO.：13709-38-1
- Empirical Formula: F3La
- Molecular Weight: 195.9
- MDL number: MFCD00011073
- EINECS: 237-252-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:11:29
What is Lanthanum Fluoride?
Chemical properties
off-white powder
Physical properties
White hexagonal crystal; hygroscopic; density 5.9 g/cm3; melts at 1,493°C; insoluble in water and acids.
The Uses of Lanthanum Fluoride
Lanthanum fluoride is a white powder used to coat the inside of phosphorus lamps and lasers.
The Uses of Lanthanum Fluoride
Lanthanum fluoride, anhydrous is employed extensively in the preparation and study of fluoride glasses.
Flammability and Explosibility
Non flammable
Structure and conformation
The space lattice of LaF3 belongs to the tysonite structure.
Properties of Lanthanum Fluoride
| Melting point: | 1493 °C |
| Density | 5.936 g/mL at 25 °C(lit.) |
| refractive index | 1.6029 |
| solubility | insoluble in H2O, acid solutions |
| form | powder |
| color | White |
| Specific Gravity | 5.936 |
| Water Solubility | Soluble in strong mineral acids. Insoluble in water. |
| Sensitive | Hygroscopic |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
| Stability: | hygroscopic |
| CAS DataBase Reference | 13709-38-1(CAS DataBase Reference) |
| EPA Substance Registry System | Lanthanum fluoride (LaF3) (13709-38-1) |
Safety information for Lanthanum Fluoride
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Lanthanum Fluoride
| InChIKey | BYMUNNMMXKDFEZ-UHFFFAOYSA-K |
Lanthanum Fluoride manufacturer
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