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.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
supp_hazards
Storage Class
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Lithium-sulfur batteries (Li-S batteries) have attracted intense interest because of their high specific capacity and low cost, although they are still hindered by severe capacity loss upon cycling caused by the soluble lithium polysulfide intermediates. Although many structure innovations at
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 213241-10G | 4061838772688 |
| 213241-50G | 4061838772695 |
| 213241-5G | 4061838138354 |
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