Tantalum sulfide - PrimorTrace™,≥99.95% metals basis , CAS No.12143-72-5

CAS: 12143-72-5 Cat. No.: T770632 Molecular Weight: 245.08 EC Number: 235-265-3
AVAILABLE TO ORDER
GRADE & PURITY PrimorTrace™ ? PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal. ≥99.95% metals basis
Synonyms
bis(sulfanylidene)tantalum | Tantalum(IV) sulfide
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
T770632-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$89.90
1g
T770632-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$269.90
5g
T770632-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$999.90
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Why this grade

PrimorTrace™,≥99.95% metals basis PrimorTrace™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
bis(sulfanylidene)tantalum | Tantalum(IV) sulfide
Specifications & Purity
PrimorTrace™, ≥99.95% metals basis
Storage
Room temperature
Shipped In
Normal
Grade
PrimorTrace™
Purity
≥99.95% metals basis
Names and Identifiers
Canonical SmilesS=[Ta]=S
IUPAC Namebis(sulfanylidene)tantalum
InChIKeyFAWYJKSBSAKOFP-UHFFFAOYSA-N
INCHI1S/2S.Ta
Isomeric SMILES S=[Ta]=S
Molecular Weight 245.08

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassTransition metal organides
SubclassTransition metal sulfides
Intermediate Tree Nodes Not available
Direct ParentTransition metal sulfides
Alternative Parents Inorganic sulfides  Inorganic salts  
Molecular FrameworkNot available
Substituents Transition metal sulfide - Inorganic sulfide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as transition metal sulfides. These are inorganic compounds containing a sulfur atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a transition metal.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
K2511717Certificate of AnalysisOct 15, 2025 T770632
K2511720Certificate of AnalysisOct 15, 2025 T770632
K2511722Certificate of AnalysisOct 15, 2025 T770632
Chemical and Physical Properties
Melt Point(°C)1300°C
Molecular Weight245.080 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass244.892 Da
Monoisotopic Mass244.892 Da
Topological Polar Surface Area64.200 Ų
Heavy Atom Count3
Formal Charge0
Complexity18.300
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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