≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | [Se]=[Nb]=[Se] |
|---|---|
| IUPAC Name | bis(selanylidene)niobium |
| InChIKey | CXRFFSKFQFGBOT-UHFFFAOYSA-N |
| INCHI | 1S/Nb.2Se |
| Isomeric SMILES | [Se]=[Nb]=[Se] |
| WGK Germany | 3 |
| PubChem CID | 82841 |
| UN Number | 3283 |
| Packing Group | III |
| Molecular Weight | 250.83 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 E2618414 | Certificate of Analysis | Apr 29, 2026 | N358134 |
| E2618415 | Certificate of Analysis | Apr 29, 2026 | N358134 |
| L2519401 | Certificate of Analysis | Dec 06, 2025 | N358134 |
| L2519402 | Certificate of Analysis | Dec 06, 2025 | N358134 |
| F2504169 | Certificate of Analysis | Jun 13, 2025 | N358134 |
| H2203653 | Certificate of Analysis | May 12, 2025 | N358134 |
| L2116595 | Certificate of Analysis | Sep 05, 2024 | N358134 |
| D2426041 | Certificate of Analysis | Jun 22, 2022 | N358134 |
| H2203499 | Certificate of Analysis | Jun 22, 2022 | N358134 |
| Solubility | Insoluble in water. |
|---|---|
| Sensitivity | moisture &air& heat sensitive |
| Melt Point(°C) | 1316° C |
| Molecular Weight | 250.850 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 252.739 Da |
| Monoisotopic Mass | 252.739 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 |
| 1. Zhuo Wang, Jingyi Hu, Wei Ouyang, Bo Xu, Jiayuan He, Changwen Xu, Jinming Jiang, Chang Wang, Dingguan Wang, Andrew T. S. Wee. (2026) Lightweight Insulating Sandwich-Structured Composite Film for Superior Antireflective EMI Shielding and Infrared Camouflage. ACS Applied Materials & Interfaces, [PMID:] [10.1021/acsami.6c03286] |
