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tantalum sulfide

Also known as: EINECS 235-265-3, MFCD00049569, TANTALUM (IV) SULFIDE, TANTALUM DISULFIDE, TANTALUM SULFIDE, TantaluM Sulfide, -325 Mesh, Tantalum disulphide, Tantalum sulfide, Tantalum(Ⅳ) sulfide, Tantalumsulfide,99.8%(metalsbasis), bis(sulfanylidene)tantalum, disulfanylidenetantalum, dithioxotantalum, tantalumsulfide(tas2)

tantalum sulfide (CAS 12143-72-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula S2Ta and a molecular weight of 245.07800 g/mol. Key properties include a melting point of 1300ºC and a density of 6.860. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
12143-72-5
Jingsj CID
J-37370-0
Molecular Formula
S2Ta
Molecular Weight
245.07800 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point1300ºC
Density6.860
Exact Mass244.89200
PSA64.18000
LogP1.29640
Appearanceblack hexagonal crystals
Additional Propertyinsoluble H2O [HAW93]

Frequently Asked Questions

What is the CAS number of tantalum sulfide?

The CAS number of tantalum sulfide is 12143-72-5.

What are the molecular formula and molecular weight of tantalum sulfide?

tantalum sulfide has molecular formula S2Ta and molecular weight 245.07800 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tantalum sulfide (CAS 12143-72-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37370-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.