Lanthanum fluoride , Waterless grade, 99.99%metalsbasis , 13709-38-1

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

PRODUCT Properties

• 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
• Crystal Structure: LaF3 type
• crystal system: Three sides
• Space group: P3c1
• Lattice constant:
  • a/nm: 0.7185
  • b/nm: 0.7185
  • c/nm: 0.7351
  • α/o: 90
  • β/o: 90
  • γ/o: 120
  • V/nm3: 0.3311
• Exposure limits: ACGIH: TWA 2.5 mg/m3; NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
• Stability: hygroscopic
• InChI: InChI=1S/3FH.La/h3*1H;/q;;;+3/p-3
• InChIKey: BYMUNNMMXKDFEZ-UHFFFAOYSA-K
• SMILES: [La](F)(F)F

Description and Uses

Lanthanum fluoride is a white powder used to coat the inside of phosphorus lamps and lasers.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P280a-P304+P340-P305+P351+P338-P405-P501a
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 22-24/25
• RIDADR: 3288
• WGK Germany: 3
• Hazard Note: Hygroscopic
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 28469033