Research chemical
CAS Number: 12039-55-3
Product details
For laboratory research and professional procurement workflows.
PubChem CID
82873
Exact Mass
340.78104
InChIKey
IYJABVNLJXJBTP-UHFFFAOYSA-N
IUPAC Name
bis(selanylidene)tantalum
SMILES String
[Se]=[Ta]=[Se]
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Catalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Tantalum selenide (TaSe2) is identified by CAS 12039-55-3, with molecular formula Se2Ta, molecular weight 338.89, InChIKey IYJABVNLJXJBTP-UHFFFAOYSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.
Heavy atom count
3
H-bond acceptors
0
H-bond donors
0
Rotatable bonds
0
Ring count
0
Aromatic rings
0
Topological polar surface area
0 Ų
Computed LogP
-0.76
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
transition metal catalyst or complex
Precious metal motif
No
Transition metal motif
Yes
Phosphine ligand motif
No
N-heterocycle motif
No
Boronic acid motif
No
Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.
Structural features
Tantalum selenide (TaSe2) (CAS 12039-55-3) is maintained as a commercial cas reference with formula Se2Ta, molecular weight 338. 89 g/mol, PubChem CID 82873.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page for CAS identity lookup, internal catalog search, and commercial discovery workflows; structure-derived tags include transition-metal-containing structure.
Documentation needs
Review supplier documentation before handling; for research use only.
Safety and handling reference content is available through documentation requests.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.