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Lithium fluoride

Description Uses References
Lithium fluoride
Lithium fluoride
CAS No.
7789-24-4
Chemical Name:
Lithium fluoride
Synonyms
ntl50;NTL 50;tld100;tld700;TLD 100;TLD 700;LT-E001;Fluorolithium;Lithiumfluorid;lithiumfluorure
CBNumber:
CB5854343
Molecular Formula:
FLi
Formula Weight:
25.94
MOL File:
7789-24-4.mol

Lithium fluoride Properties

Melting point:
845 °C(lit.)
Boiling point:
1681 °C
Density 
2.64 g/mL at 25 °C(lit.)
refractive index 
1.3915
Flash point:
1680°C
storage temp. 
Store at +5°C to +30°C.
solubility 
Soluble in 0.29 g/100 mL (20°C) and hydrogen fluoride. Insoluble in alcohol.
form 
random crystals
color 
White to off-white
PH
6.0-8.5 (25℃, 0.01M in H2O)
Water Solubility 
0.29 g/100 mL (20 ºC)
Sensitive 
Hygroscopic
Merck 
14,5531
Stability:
Stable, but hygroscopic. Hydrolyzes in the presence of water to form hydrofluoric acid, which attacks glass - do not store in glass bottles. Incompatible with aqueous solutions, strong acids, strong oxidizing agents.
CAS DataBase Reference
7789-24-4(CAS DataBase Reference)
NIST Chemistry Reference
Lithium fluoride(7789-24-4)
EPA Substance Registry System
Lithium fluoride (LiF)(7789-24-4)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T
Risk Statements  25-32-36/37/38-23/24/25
Safety Statements  22-26-36/37/39-45
RIDADR  UN 3288 6.1/PG 3
WGK Germany  2
RTECS  OJ6125000
10-21
Hazard Note  Toxic
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  28261900
Hazardous Substances Data 7789-24-4(Hazardous Substances Data)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
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.

Lithium fluoride price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.05686 Lithium fluoride 7789-24-4 1EA $314 2017-11-08 Buy
Sigma-Aldrich 1.05686 Lithium fluoride 7789-24-4 2EA $1224 2017-11-08 Buy
Alfa Aesar 10736 Lithium fluoride, Puratronic?, 99.99% (metals basis) 7789-24-4 1g $19.4 2017-11-08 Buy
Alfa Aesar 10736 Lithium fluoride, Puratronic?, 99.99% (metals basis) 7789-24-4 10g $83.7 2017-11-08 Buy
Strem Chemicals 93-0320 Lithium fluoride (99.9%-Li) 7789-24-4 10g $47 2017-11-27 Buy

Lithium fluoride Chemical Properties,Uses,Production

Description

Lithium Fluoride (LiF) has the lowest refractive index of all common infrared materials. It possesses the highest UV transmission of any material, being able to transmit significantly into the VUV region at the hydrogen Lyman-alpha line (121nm). Lithium fluoride can be applied in rechargeable Li batteries, in radiation dosimeter for personnel monitoring as well as radiation research, as an optical material, as a heat sink material, to produce ceramics, and to dissolve fluid fuel for molten salt reactors.

Uses

Lithium Fluoride (LiF)  is a water insoluble Lithium source for use in oxygen-sensitive applications, such as metal production. It is most widely used as a flux in the production of ceramics, such as enamels, glasses and glazes. Similarly it is also used in brazing and welding fluxes and molten salt chemistry in metallurgy.
Lithium fluoride is also used for:
  1. X-Ray monochromator plates as an analysis crystal: Lithium fluoride is also used for X-ray monochromator plates where its lattice spacing makes it the most useful analysis crystal.
  2. Heat sink materials
  3. UV transmission windows: Lithium fluoride is the material with the most extreme UV transmission of all and is used for special UV optics. Lithium fluoride transmits well into the VUV region at the hydrogen Lyman-alpha line (121nm) and beyond.

References

[1] H. Li, G. Richter, J. Maier, Reversible Formation and Decomposition of LiF Clusters Using Transition Metal Fluorides as Precursors and Their Application in Rechargeable Li Batteries, Advanced Materials, 2003, vol. 15, 736-739
[2] J. R. Cameron, F. Daniels, N. Johnson, G. Kenney, Radiation Dosimeter Utilizing the Thermoluminescence of Lithium Fluoride, Science, 1961, vol. 134, 333-334
[3] E. T. Kvamme, J. C. Earthman, D. B. Leviton, B. J. Frey, Lithium fluoride material properties as applied on the NIRCam instrument, Proc. SPIE 59,4, 2005
[4] Y. Kogure, H. Kaburaki, Y. Hiki, Low-Temperature Thermal Properties of Lithium Fluoride Containing Dislocations, Phonon Scattering in Condensed Matter, 1979, 267-270
[5] H. Naghib-zadeh, C. Glizky, I. D?rfel, T. Rabe, Low temperature sintering of barium titanate ceramics assisted by addition of lithium fluoride-containing sintering additives, Journal of the European Ceramic Society, 2010, vol. 30, 81-86
[6] M. W. Rosenthal, P. R. Kasten, R. B. Briggs, Molten-Salt Reactors – History, Status, and Potential, 1970, vol. 8, 107-117

Chemical Properties

White powder

Uses

The important uses of lithium fluoride are as flux in glasses, vitreous enamels and glazes; in soldering and welding aluminum; and its prisms in infrared spectrophotometers. The compound also is used for storing solar energy.

Uses

As flux for soldering and welding aluminum, in the manufacture of vitreous enamels and glazes. Lithium fluoride prisms are used in infrared spectrophotometers.

Preparation

Lithium fluoride is prepared by treating an aqueous solution of lithium hydroxide or lithium carbonate with aqueous hydrofluoric acid: LiOH + HF → LiF + H2O.

Lithium fluoride Preparation Products And Raw materials

Raw materials

Preparation Products


Lithium fluoride Suppliers

Global( 173)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Frapp's ChemicalNFTZ Co., Ltd.
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
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Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
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Alfa Aesar 400-610-6006; 021-67582000
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BeiJing Hwrk Chemicals Limted 4006990298;010-57411839;0757-86311057;021-51691807
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Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
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Shanghai Hanhong Scientific Co.,Ltd. 021-54306202,021-54302127,021-54308259,13764082696
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XiaoGan ShenYuan ChemPharm co,ltd Tell:86-712-2580635 Mobile:15527768850 . 15527768836
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