≥99% 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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504755673 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504755673 |
| Canonical Smiles | Cl[Os](Cl)Cl |
| IUPAC Name | trichloroosmium |
| InChIKey | UAIHPMFLFVHDIN-UHFFFAOYSA-K |
| INCHI | 1S/3ClH.Os/h3*1H;/q;;;+3/p-3 |
| Isomeric SMILES | Cl[Os](Cl)Cl |
| WGK Germany | 3 |
| UN Number | 3288 |
| Packing Group | II |
| Molecular Weight | 296.59 |
| Reaxy-Rn | 3903083 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3903083&ln= |
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 | Transition metal salts |
| Subclass | Transition metal chlorides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Transition metal chlorides |
| Alternative Parents | Inorganic chloride salts |
| Molecular Framework | Not available |
| Substituents | Transition metal chloride - Inorganic chloride salt - Inorganic salt |
| Description | This compound belongs to the class of inorganic compounds known as transition metal chlorides. These are inorganic compounds in which the largest halogen atom is Chlorine, and the heaviest metal atom is a transition metal. |
| 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 |
|---|---|---|---|
 F2617518 | Certificate of Analysis | Jun 09, 2026 | O350728 |
| F2617523 | Certificate of Analysis | Jun 09, 2026 | O350728 |
| A2614669 | Certificate of Analysis | Dec 09, 2025 | O350728 |
| A2614670 | Certificate of Analysis | Dec 09, 2025 | O350728 |
| I2528499 | Certificate of Analysis | Sep 04, 2025 | O350728 |
| K2506621 | Certificate of Analysis | Sep 04, 2025 | O350728 |
| J2226682 | Certificate of Analysis | Aug 11, 2025 | O350728 |
| J2226702 | Certificate of Analysis | Aug 11, 2025 | O350728 |
| C2401432 | Certificate of Analysis | Mar 12, 2024 | O350728 |
| C2401433 | Certificate of Analysis | Mar 12, 2024 | O350728 |
| G2515096 | Certificate of Analysis | Mar 12, 2024 | O350728 |
| Sensitivity | Air sensitive |
|---|---|
| Molecular Weight | 296.600 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 296.868 Da |
| Monoisotopic Mass | 296.868 Da |
| Topological Polar Surface Area | 0.000 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 8.000 |
| 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. Qiu Zhuo, Dai Yiqi, Zhang Runzhi, Xiao Xin, Tong Yuqiao, Yao Lihua, Yan Dongpeng. (2025) Ultralow dual atoms Ru-Os boosting Ni sites on hierarchical CoNiP for enhanced seawater hydrogen evolution. Science China-Chemistry, [PMID:] [10.1007/s11426-025-2738-y] |
| 2. Wendan Xue, Qixing Zhou, Pengfei Wang, Sijin Zuo, Fengxiang Li, Jiwei Jiang, Fan Mo, Chuan Yin, Gaolei Liu, Zhan Ban, Yuanyuan Wei, Wen An, Xiulin Huang, Hui Wang, Sihui Zhan. (2025) Sulfur-mediated transformation from osmium nanocrystals to single atoms for efficient alkaline hydrogen evolution reaction. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 122 (27): (e2426207122). [PMID:40601635] [10.1073/pnas.2426207122] |
| 3. Shaonan Tian, Mengyuan Ma, Feng Guo, Hui Liu, Jun Yang. (2025) Solidification-Inspired Insight into the Formation Mechanism of Dendritic Nanostructures in Wet-Chemistry Synthesis. Journal of Physical Chemistry C, [PMID:] [10.1021/acs.jpcc.5c04767] |
