Chromium(III) oxide, 99.9%
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About Chromium(III) oxide, 99.9%
Chromium(III) oxide, 99.9% sits in our transition Metal Compounds (Fe, Co, Ni, Cu, Zn, Mn, Cr) section and ships worldwide from stock or short lead time. Identity at a glance (99.9%): CAS 1308-38-9, formula Cr2O3 and molar mass 151.99 g/mol. It is described as green powder.
Where it is used
- Molecular biology workflows
- Oxidation reactions
Safe handling
Literature values: melting point 2435 °C and density 5.22 g/cm3. Classified under GHS with signal word Danger and hazard statements H302, H317, H319 and H360. Read the SDS before first use.
Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Molecular biology workflows
- Oxidation reactions
Applications
Specifications and identifiers
| Product name | Chromium(III) oxide, 99.9% |
|---|---|
| Catalogue number | ZX-013598 |
| CAS number | 1308-38-9 |
| IUPAC name | oxo(oxochromiooxy)chromium |
| Molecular formula | Cr2O3 |
| Molar mass | 151.99 g/mol |
| Exact mass | 151.8658 |
| Purity / assay | 99.9% |
| Physical form | Powder |
| Appearance | Green powder |
| Melting point | 2435 °C |
| Density | 5.22 g/cm3 |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 43.4 Ų |
| HS code | 28199000 |
| InChIKey | QDOXWKRWXJOMAK-UHFFFAOYSA-N |
| SMILES | O=[Cr]O[Cr]=O |
| PubChem CID | 517277 |
| Synonyms | Chromium sesquioxide, Chromia, Chrome green, Dichromium trioxide, Chrome oxide, Green chromium oxide, Green cinnabar, Chrome ochre, Chromium Oxide Green, Anadonis Green, Casalis Green, Green rouge |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H360May damage fertility or the unborn child
Precautionary statements P203, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P318, P321, P330, P333 + P317, P337 + P317, P362 + P364, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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