Lithium iodide anhydrous
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Lithium iodide anhydrous
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CAS No:
10377-51-2
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Formula:
ILi
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Chemical Name:
Lithium iodide anhydrous
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Synonyms:
Lithiumiodid;lithiumiodide(bpc);lithiumiodide(lii);Lithiumjodid;Tenephrol;Lithium iodide,99%,pure,anhydrous;Lithium iodide anhydrous 1g [10377-51-2];Lithium iodide, anhydrous, 99.95% (metals basis), Ampouled under argon
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CAS No:
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.
White to off-white crystalline powder
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 anhydrous Basic Attributes
133.85
133.920471
233-822-5
S6K2XET783
TSCA listed
White to yellow to beige
2827 60 00
Characteristics
0
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.
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, LiI3H2O, 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, LiI2H2O and loses the second molecule at 80°C, forming monohydrate, LiIH2O and becomes anhydrous at 130°C; highly soluble in water; soluble in ethanol and acetone.
-2.99600
White to yellow to beige powder
3.49 g/mL at 25 °C(lit.)
446 °C(lit.)
1171 °C
1170-1190°C
1.955
Soluble in water, ethanol and acetone.
Store below +30°C.
Store below +30°C.
Safety Information
NONH for all modes of transport
1
Xi
26-37/39
Xi
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
36/38-36/37/38-22
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, and P362|Aggregated GHS information provided by 38 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H302 (37.04%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 120 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Lithium iodide anhydrous Use and Manufacturing
Controls regioselectivity in palladium catalyzed allylic alkylation reactions.1
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.
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.
Lithium iodide (LiI): ACTIVE|Lithium iodide (6LiI): ACTIVE|Lithium iodide (7LiI): INACTIVE
Computed Properties
Molecular Weight:133.9
Hydrogen Bond Acceptor Count:1
Exact Mass:133.92048
Monoisotopic Mass:133.92048
Heavy Atom Count:2
Complexity:2
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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