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· · COA & SDS available for every product · Same-day shipping on in-stock items Tungsten selenide - ≥99.8% metals basis , CAS No.12067-46-8
Synonyms
DTXSID8065240 | Tungsten( cento) selenide | Tungsten selenide (WSe2) | AKOS024256371 | Tungsten diselenide | Q2592220 | Tungsten selenide | MFCD00049703 | Tungsten diselenide, Crystal, 99.995% | Tungsten(IV) selenide | Chromium Fluoride (CrF3) Sputtering
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Why this grade ≥99.8% metals basis 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 19 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
DTXSID8065240 | Tungsten( cento) selenide | Tungsten selenide (WSe2) | AKOS024256371 | Tungsten diselenide | Q2592220 | Tungsten selenide | MFCD00049703 | Tungsten diselenide, Crystal, 99.995% | Tungsten(IV) selenide | Chromium Fluoride (CrF3) Sputtering
Specifications & Purity
≥99.8% metals basis
Purity
≥99.8% metals basis
Names and Identifiers Canonical Smiles
[Se]=[W]=[Se]
IUPAC Name
bis(selanylidene)tungsten
InChIKey
ROUIDRHELGULJS-UHFFFAOYSA-N
Isomeric SMILES
[Se]=[W]=[Se]
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.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Inorganic compounds Superclass Mixed metal/non-metal compounds Class Miscellaneous mixed metal/non-metals Subclass Not available Intermediate Tree Nodes Not available Direct Parent Miscellaneous mixed metal/non-metals Alternative Parents Inorganic selenides Inorganic salts Molecular Framework Not available Substituents Inorganic selenide - Inorganic salt - Miscellaneous mixed metal/non-metal Description This compound belongs to the class of inorganic compounds known as miscellaneous mixed metal/non-metals. These are inorganic compounds containing non-metal as well as metal atoms but not belonging to afore mentioned classes. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Molecular Weight 341.800 g/mol XLogP3 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 0 Rotatable Bond Count 0 Exact Mass 343.784 Da Monoisotopic Mass 343.784 Da Topological Polar Surface Area 0.000 Ų Heavy Atom Count 3 Formal Charge 0 Complexity 18.300 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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