Description Physical properties Uses Preparation References
ChemicalBook > CAS DataBase List > Lithium iodide

Lithium iodide

Description Physical properties Uses Preparation References
Product Name
Lithium iodide
CAS No.
10377-51-2
Chemical Name
Lithium iodide
Synonyms
LiI;Lithiumiodid;Lithium iodide (LiI);Tenephrol;Lithiumjodid;ithium iodide;Iodide lithiuM;LITHIUM IODIDE;LITHIUM IODIDE;lithiumiodide(lii)
CBNumber
CB8688141
Molecular Formula
ILi
Formula Weight
133.85
MOL File
10377-51-2.mol
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Lithium iodide Property

Melting point:
446 °C(lit.)
Boiling point:
1171 °C
Density 
3.49 g/mL at 25 °C(lit.)
refractive index 
1.955
Flash point:
1170-1190°C
storage temp. 
Store below +30°C.
solubility 
1640g/l soluble
form 
powder
color 
White to yellow to beige
Specific Gravity
4.076
Water Solubility 
Soluble in water, ethanol and acetone.
Sensitive 
Hygroscopic
Merck 
14,5535
Exposure limits
ACGIH: TWA 0.01 ppm
Stability:
hygroscopic
CAS DataBase Reference
10377-51-2(CAS DataBase Reference)
EPA Substance Registry System
Lithium iodide (10377-51-2)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/38-36/37/38-22
Safety Statements 
26-37/39
WGK Germany 
1
F 
3-8-10-23
TSCA 
Yes
HS Code 
2827 60 00
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.18287
Product name
Lithium iodide
Purity
anhydrous for synthesis
Packaging
2g
Price
$111
Updated
2024/03/01
Sigma-Aldrich
Product number
8.18287
Product name
Lithium iodide
Purity
anhydrous for synthesis
Packaging
50g
Price
$210
Updated
2024/03/01
Sigma-Aldrich
Product number
218219
Product name
Lithium iodide
Purity
beads, 99%
Packaging
10g
Price
$139
Updated
2024/03/01
Sigma-Aldrich
Product number
218219
Product name
Lithium iodide
Purity
beads, 99%
Packaging
50g
Price
$381
Updated
2024/03/01
Alfa Aesar
Product number
013600
Product name
Lithium iodide, ultra dry, 99.999% (metals basis)
Packaging
25g
Price
$342
Updated
2024/03/01
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Lithium iodide Chemical Properties,Usage,Production

Description

Lithium iodide (chemical formula: LiI) is the compound of lithium and iodine. It can be used as an electrolyte in high-temperature batteries, long-life batteries which is required, e.g. by artificial pacemaker as well as in the electrolyte of dye-sensitized solar cells. In organic synthesis, it can be used for C-O bonds cleavage such as converting methyl esters to carboxylic acids. In addition, it can be used as a radio contrast agent for X-ray computed tomography imaging studies.

Physical properties

Lithium iodide, a white crystalline solid, is deliquescent as are lithium chloride and lithium bromide. Lithium iodide is readily oxidized in air to yield iodine which discolors the crystals.
Lithium iodide is very soluble in water and forms the following hydrates: Lii-0.5 H2O, L i l·O , LiI-2H20 and LiI·3H20. The hydrates have congruent melting points unlike the hydrates of the chloride and the bromide.
Lithium iodide is even more soluble in organic solvents than the chloride or the bromide.

Uses

Lithium iodide can be used for the catalytic dehydrogenation of hydrocarbons. Oxidation of lithium iodide yields iodine which reacts with the hydrocarbon to form an organic iodide. The intermediate is dehydroiodinated to yield an olefin.For example, butane may be converted to butadiene.

Preparation

The laboratory preparation of lithium iodide is carried out in much the same way as the industrial preparation.
Lithium iodide is prepared by the reaction of lithium hydroxide monohydrate or lithium carbonate with hydriodic acid, which may be prepared in situ by the reduction of iodine. The iodide is usually not isolated as the anhydrous material but is used as a solution or as the solid lithium iodide trihydrate.
Hydriodic acid may be prepared by the reaction of hydrogen sulfide and iodine. The hydriodic acid solution must be kept under an inert atmosphere to prevent air oxidation to iodine. After combination of the acid with the lithium compounds, the solution may be evaporated to yield lithium iodide trihydrate, LiI· 3H20. The anhydrous material may be made by extremely careful dehydration of the trihydrate under vacuum and with slow heating. The lithium iodide or its trihydrate must be handled under an inert atmosphere to avoid oxidation of the iodide ion to iodine.

References

http://en.wikipedia.org/wiki/Lithium_iodide

Chemical Properties

White to off-white crystalline powder

Physical properties

White cubic crystals; refractive index 1.955; density 4.076 g/cm3; melts at 449°C; vaporizes around 1,180°C; highly soluble in water (165 g/100g at 20°C), solubility greatly increases in hot water (433g/100g at 80°C); also very soluble in methanol (343 g/100g at 20°C) and ammonia; soluble in acetone (42.6g/100g at 18°C).
The trihydrate, LiI?3H2O, is a yellowish solid (due to the release of iodine when exposed to air); hexagonal crystals; hygroscopic; density 3.48 g/cm3; loses iodine when heated in air; loses one molecule of water of crystallization at 73°C becoming dihydrate, LiI?2H2O and loses the second molecule at 80°C, forming monohydrate, LiI?H2O and becomes anhydrous at 130°C; highly soluble in water; soluble in ethanol and acetone.

Uses

Controls regioselectivity in palladium catalyzed allylic alkylation reactions.1

Uses

It is used as a absorbent in refrigeration process, as a catalyst, and in photography. It is also useful for organic synthesis, pessat iodination, cleavage of esters, ethers, epoxides, decarboethoxylation, carbonylation, and aldol condensation. It is used for manufacturing medicines and mineral waters. It is used in electochemicstry and redox reactions. Lithium iodide is also a catalyzed conjugate addition reaction of β-dicarbonyl compounds. It is also useful for tetrathioquinodimethane.

Uses

Controls regioselectivity in palladium-catalyzed allylic alkylation reactions.

Preparation

The trihydrate salt is obtained by neutralization of lithium hydroxide or lithium carbonate solution with pure hydriodic acid followed by concentration of the solution for crystallization:
LiOH + HI → LiI + H2O
When heated in a vacuum, the trihydrate dehydrates to anhydrous salt.

Purification Methods

Crystallise it from hot water (0.5mL/g) by cooling in a CaCl2-ice EtOH or from an acetone-Dry-Ice bath. Dry it under a vacuum over P2O5 for 1hour at 60o and then at 120o. It is deliquescent and should be stored in a tightly stoppered vessel in the dark.

Lithium iodide Preparation Products And Raw materials

Raw materials

Preparation Products

4,4-DIMETHYL-2-PENTANONE 2,4-DICHLORO-5-IODOPYRIMIDINE
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View Lastest Price from Lithium iodide manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Lithium iodide 10377-51-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-24
Shaanxi Dideu Medichem Co. Ltd
Product
Lithium iodide 10377-51-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000KG
Release date
2024-07-22
Shijiazhuang Jianxin Biotechnology Co., LTD
Product
Lithium iodide 10377-51-2
Price
US $300.00-250.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
500KG/Month
Release date
2024-04-16

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