Lanthanum Fluoride 99.99%
Lanthanum Fluoride 99.99%, code 5743
Formula: LaF3
CAS No.: 13709-38-1
Molecular Weight: 195.90
Density: 5.936 g/cm3
Melting point: 1493 °C
Appearance: White powder or flake
Solubility: Soluble in strong mineral acids
Stability: Easily hygroscopic
Multilingual: LanthanFluorid, Fluorure De Lanthane, Fluoruro Del Lantano
Lanthanum Fluoride 99.99% is mainly applied in specialty glass, water treatment and catalyst. Lanthanum Fluoride is used in phosphor lamp coatings. Mixed with Europium Fluoride, it is also applied in the crystal membrane of Fluoride ion-selective electrodes.
Products available
Product Code: 5743 Standard Specification Typical Analysis Inspection Methods
Grade 99.99% 99.99%  
CHEMICAL COMPOSITION
La2O3/TREO (% min.) 99.99 99.99
TREO (% min.) 81 81 Volumetric Method
Rare Earth Impurities ppm max. ppm
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Y2O3/TREO		 50
50
10
10
10
10
50		 20
30
30
10
10
10
50		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
CoO
NiO
CuO
MnO2
Cr2O3
CdO
PbO		 100
100
100
5
5
3
5
3
5
50		 50
100
100
5
5
3
5
3
5
50		 Spectrographic

Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.