213241
Lithium sulfide
99.98% trace metals basis
Synonym(s):
(lithiosulfanyl)lithium
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All Photos(3)
About This Item
Empirical Formula (Hill Notation):
Li2S
CAS Number:
Molecular Weight:
45.95
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
grade
battery grade
Quality Level
Assay
99.98% trace metals basis
form
powder
composition
Li2S
reaction suitability
reagent type: catalyst
core: lithium
density
1.66 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
battery manufacturing
storage temp.
2-8°C
SMILES string
[Li]S[Li]
InChI
1S/2Li.S
InChI key
ZWDBUTFCWLVLCQ-UHFFFAOYSA-N
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General description
Lithium sulfide powder is a high-purity, inorganic compound that appears as a white to yellowish crystalline powder. It has a molecular weight of 45.95 g/mol and a density of 1.82 g/cm³. Lithium sulfide is a strong nucleophile and has the chemical formula Li₂S. It readily reacts with water to produce lithium hydroxide and hydrogen sulfide gas. It is also soluble in some organic solvents, such as pyridine and dimethyl sulfoxide.
Application
High-purity lithium sulfide is primarily used as a precursor in the synthesis of other lithium compounds such as lithium thioacetate, lithium tetrafluoroborate, and thio-LISICONs, which are used in lithium-ion batteries among other applications. High-purity lithium sulfide can also be used directly in battery applications as a cathode material in lithium-sulfur batteries. With a theoretical capacity of up to 1166 mAh/g, almost four times that of lithium cobalt oxide, lithium sulfide has gained attention as next-generation cathode material. Additionally, lithium sulfide is used as a precursor in the semiconductor industry for the production of thin-film transistors (TFTs) and other electronic devices, especially lithium sulfide-phosphorus oxide (Li2S-P2O5) TFTs. It is also used in the chemical manufacturing industry as a precursor for lithium hydride, lithium borohydride, and lithium amide, among many other applications.
Features and Benefits
Higher Purity - 99.98%, making it an ideal choice for applications that require higher purity materials.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
Supplementary Hazards
Storage Class Code
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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