Tantalum sulfide (TaS2)
Basic information
- CAS
12143-72-5- Standard SMILES
[S]=[Ta]=[S]- InChIKey
FAWYJKSBSAKOFP-UHFFFAOYSA-N- Molecular formula
- S2Ta
- Average molar mass
- 245.08 g/mol
- Monoisotopic mass
- 244.89214
Names & identifiers
- Preferred name
- Tantalum sulfide (TaS2)
- IUPAC
- bis(sulfanylidene)tantalum
- English name
- Tantalum sulfide
- Molecular formula
- S2Ta
- Molecular weight
- 245.08
Names & synonyms
Tantalum sulfide (TaS2)12143-72-5EINECS 235-265-3DTXSID6065260RefChem:187406DTXCID4033710Tantalum sulfidebis(sulfanylidene)tantalumTANTALUM DISULFIDEtantalum(IV) sulfideTantalum disulphideBis(sulfido)tantalum
Show more names
Tantalum(Ⅳ) sulfideTantanium DisulfideTANTALUM (IV) SULFIDEtantalumsulfide(tas2)Tantalum(IV)disulfideTantaluM Sulfide, -325 Mesh
Tantalum Sulfide PowderTANTALUM SULFIDE, TaSSCHEMBL29404581MFCD00049569Q4119775Tantalum(IV) sulfide, bis(sulfanylidene)tantalum, dithioxotantalum; tantalum(4+) disulfide, Tantalum disulphide, 2H-TaS2,1T-TaS2
Database identifiers
- CAS
12143-72-5- PubChem CID
- 82945
- DTXSID
DTXSID6065260- EC Number
- 235-265-3
- Nikkaji
- J134.304A
Properties
Computed structural properties
- Topological polar surface area
- 64.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 0
- Heavy atoms
- 3
- Formal charge
- 0
- Complexity
- 18.3
Experimental & physicochemical properties
Chemical ClassesMetals -> Metals, Inorganic Compounds
SpringerMaterials Properties
dielectric constant
thermal expansion coefficient
Physical DescriptionBlack solid; [HSDB] Black powder with an odor like rotten eggs; [Alfa Aesar MSDS]
Physicochemical properties
- Melting point
- 1300 °C · >1300°C
- Density
- 6.86 · 6.860
- solubility
- 2 O · insoluble in H2O
- form
- black hexagonal crystals
- color
- black hexagonal, hexane crystals, crystalline
- Water Solubility
- 2 O · insoluble H2O [HAW93]
- Crystal Structure
- 2 type · CdI2 type
- crystal system
- Three sides
- Space group
- 3 m1 · P3m1
- Lattice constant
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazards SummaryMay cause irritation; [Alfa Aesar MSDS] See Tantalum, metal and tantalum oxide, dust.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Safety data
- tsca
- TSCA listed
- Signal word
- Danger
- Symbol(GHS)
- GHS05
- Hazard statements
- H314-H227
- Precautionary statements
- P501-P210-P264-P280-P370+P378-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P405
Chemistry & industry
Uses & manufacturing
UsesUsed as a solid lubricant; [HSDB]
General Manufacturing InformationTantalum sulfide (TaS2): INACTIVE
Applications
UsesTantalum disulfide (TaS2) is used to make solid lubricants and special noncorrosive greases.
UsesSolid lubricant.
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Related reactions
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Compound notes
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