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Lithium sulfide

Product Name
Lithium sulfide
CAS No.
12136-58-2
Chemical Name
Lithium sulfide
Synonyms
Thiobislithium;Lithum Sulfide;LITHIUMSULPHIDE;LITHIUM SULFIDE;dilithiumsulfide;Lithium sulfide 99%;lithiumsulfide(li2s);dilithiummonosulfide;Lithium sulphide, 99%+;(lithiosulfanyl)lithium
CBNumber
CB7245998
Molecular Formula
Li2S
Formula Weight
45.95
MOL File
12136-58-2.mol
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Lithium sulfide Property

Melting point:
>900°C
Density 
1.66 g/mL at 25 °C (lit.)
storage temp. 
2-8°C
form 
Powder
Specific Gravity
1.66
color 
Yellow
Water Solubility 
soluble in water and ethanol
Crystal Structure
Reverse CaF2 type
Sensitive 
Moisture Sensitive
crystal system
Cube
Space group
Fm3m
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.57180.57180.57189090900.187
InChI
InChI=1S/2Li.S
InChIKey
ZWDBUTFCWLVLCQ-UHFFFAOYSA-N
SMILES
S([Li])[Li]
CAS DataBase Reference
12136-58-2(CAS DataBase Reference)
EPA Substance Registry System
Lithium sulfide (Li2S) (12136-58-2)
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Safety

Hazard Codes 
C
Risk Statements 
22-31-34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2923 8/PG 2
WGK Germany 
3
RTECS 
OJ6439500
F 
8-10-13
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
213241
Product name
Lithium sulfide
Purity
99.98% trace metals basis
Packaging
5g
Price
$152
Updated
2025/07/31
Sigma-Aldrich
Product number
213241
Product name
Lithium sulfide
Purity
99.98% trace metals basis
Packaging
10g
Price
$266
Updated
2025/07/31
Strem Chemicals
Product number
93-0378
Product name
Lithium sulfide, 98% (99.9%-Li)
Packaging
5g
Price
$102
Updated
2024/03/01
Strem Chemicals
Product number
93-0378
Product name
Lithium sulfide, 98% (99.9%-Li)
Packaging
25g
Price
$410
Updated
2024/03/01
Sigma-Aldrich
Product number
213241
Product name
Lithium sulfide
Purity
99.98% trace metals basis
Packaging
50g
Price
$1080
Updated
2025/07/31
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Lithium sulfide Chemical Properties,Usage,Production

Chemical Properties

Lithium sulfide is the inorganic compound with the formula Li2S. It crystallizes in the antifluorite motif, described as the salt (Li+)2S2−. It forms a solid yellow-white deliquescent powder. In air, it easily hydrolyses to release hydrogen sulfide (rotten egg odor) Lithium sulfide is prepared by treating lithium with sulfur. This reaction is conveniently conducted in anhydrous ammonia. The THF-soluble triethylborane adduct of lithium sulfide can be generated using superhydride.

Lithium sulfide (Li2S) is considered the promising cathode material for its high theoretical capacity, high melting point, affordable volume expansion, and lithium composition.

Physical properties

Lithium Sulfide, Li2S, is an anti-fluorite semiconductor with a band-gap of 3.865 eV. It also has exactly the same valence electron count, Ne, and atomic number, Z, as magnesium diboride, MgB2. Both have almost the same formula weight. This qualifies Li2S as a magnesium-diboride like material. Li2S passes the same computational material specific test for superconductivity as MgB2.
Lithium sulfide is a much studied material, though never tested for superconductivity. Li2S can exist in two forms: orthorhombic and cubic. The orthorhombic form belongs to space group Pmnb and has dimensions: a = 3.808Å; b = 6.311Å; c = 7.262Å. It has density of 1.75g/cm3 . The cubic version has density of 1.63g/ cm3, belongs to space group Fm-3m and has cubic dimensions 4.046Å. The electronic structure and density of states indicate that cubic Li2S is an indirect band-gap semiconductor with a band gap of 3.865 eV. Lithium sulfide melts between 900 – 975 degrees centigrade.

Uses

Lithium sulfide has been studied as a MgB2- like superconductor. It is also used as a cathode material in rechargeable lithium-sulfur batteries.

Uses

Lithium sulfide (Li2S) is a product specially designed for the use in high performance batteries which can be either applied as electrode material or as precursor for solid electrolytes. It as an electrode material not only has high capacity but also overcomes many problems caused by pure sulfur electrodes.
Lithium sulfide is an anti fluorite semiconductor (bandgap 3.865eV). It exists in orthorhombic and cubic structures. The densities of the orthorhombic and cubic structures are 1.75g/cm3 and 1.63g/cm3 respectively.
Lithium sulfide has been studied as a MgB2- like superconductor. It is also used as a cathode material in rechargeable lithium-sulfur batteries.

Preparation

Lithium sulfide, Li2S, is formed in the reaction of lithium with sulfur in liquid ammonia, by the decomposition of the ethanol adduct of lithium hydrogen sulfide with lithium ethanolate, and, more recently, by the reaction of hydrogen sulfide with lithium amylate to yield lithium hydrogen sulfide, LiSH, which is thermally decomposed in a vacuum to yield the sulfide. A very high quality anhydrous lithium sulfide may be prepared by the reaction of lithium metal and hydrogen sulfide in tetrahydrofuran if care is taken to exclude water. The reaction product is filtered from the reaction medium, and it is vacuum dried to remove tetrahydrofuran and to decompose the small amount of lithium hydrogen sulfide which forms. Lithium sulfide is reported to have an antifluorite structure. Lithium sulfide is readily hydrolyzed, even by water in the air, yielding hydrogen sulfide. The sulfide also reacts with sulfur to form a variety of polysulfides.

General Description

Lithium sulfide is an anti fluorite semiconductor (bandgap 3.865eV). It exists in orthorhombic and cubic structures. The densities of the orthorhombic and cubic structures are 1.75g/cm3 and 1.63g/cm3 respectively.

reaction suitability

reagent type: catalyst
core: lithium

Toxicology

Large doses of lithium ion have caused dizziness and prostration, and can cause kidney damage if sodium intake is limited. Dehydration, weight loss, dermatological effects, and thyroid disturbances have been reported. Central nervous system effects that include slurred speech, blurred vision, sensory loss, ataxia, and convulsions may occur. Diarrhea, vomiting, and neuromuscular effects such as tremor, clonus, and hyperactive reflexes may occur as a result of repeated exposure to lithium ion.

Lithium sulfide Preparation Products And Raw materials

Raw materials

Preparation Products

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Lithium sulfide Suppliers

China 182 China Hong Kong 1 Europe 1 Germany 2 India 5 Japan 2 Switzerland 1 United Kingdom 3 United States 11 Global 208
Shanghai Shunli Industry Co., Ltd
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View Lastest Price from Lithium sulfide manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
Lithium sulfide 12136-58-2
Price
US $1.00-2.10/KG
Min. Order
1KG
Purity
99%
Supply Ability
20000KG
Release date
2025-08-28
RongNa Biotechnology Co.,Ltd
Product
Lithium sulfide 12136-58-2
Price
US $10.00/ASSAYS
Min. Order
1ASSAYS
Purity
99%
Supply Ability
1 ton
Release date
2025-08-27
Shanghai Shunli Industry Co., Ltd
Product
Lithium sulfide 12136-58-2
Price
US $900.00-800000.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
2MT
Release date
2025-05-15

12136-58-2, Lithium sulfideRelated Search:

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  • dilithiummonosulfide
  • dilithiumsulfide
  • lithiumsulfide(li2s)
  • lithiumsulphide,anhydrous
  • LITHIUM SULFIDE
  • Lithiumsulfide,98%(99.9%-Li)
  • LITHIUMSULPHIDE
  • LITHIUM SULFIDE (99.9% LI)
  • Lithium sulfide, 99.9% (metals basis)
  • Thiobislithium
  • Lithium sulfide 99%
  • LithiuM sulfide 99.98% trace Metals basis
  • (lithiosulfanyl)lithium
  • Lithium sulfide, 99.9% trace metals basis
  • 99% Lithium Sulfide Li2S CAS 12136-58-2 for Batteries
  • Z% metel basisLithium Sulfide
  • Lithiumsulfid, wasserfrei
  • Lithium sulphide, 99%+
  • Lithium sulphide, 99.9%
  • Lithum Sulfide
  • 12136-58-2
  • Catalysis and Inorganic Chemistry
  • Lithium
  • metal chalcogenides
  • Catalysis and Inorganic Chemistry
  • ChalcogenidesChemical Synthesis
  • Lithium
  • Materials Science
  • Metal and Ceramic Science