Osmium (III) chloride
Synonym(s):Osmium chloride;Osmium trichloride
- CAS NO.：13444-93-4
- Empirical Formula: Cl3Os
- Molecular Weight: 296.59
- MDL number: MFCD00011148
- EINECS: 236-587-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:52:13
What is Osmium (III) chloride?
Chemical properties
black powder. Highly toxic.
The Uses of Osmium (III) chloride
Osmium(III) chloride is used for preparing osmium compounds and complexes. It is also an effective catalyst for alkane oxidation when combined with pyridine and hydrogen peroxide.
Preparation
Osmium (III) chloride is obtained by thermally decomposing osmium (IV) chloride in the presence of chlorine gas.
Properties of Osmium (III) chloride
| Melting point: | 500 °C |
| solubility | insoluble in H2O, organic solvents; soluble in concacid |
| form | gray cubic crystals |
| color | gray cubic crystals, crystalline |
| Water Solubility | insoluble H2O; soluble HNO3 [KIR82] |
| CAS DataBase Reference | 13444-93-4(CAS DataBase Reference) |
| EPA Substance Registry System | Osmium chloride (OsCl3) (13444-93-4) |
Safety information for Osmium (III) chloride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Osmium (III) chloride
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