Chromium(VI) oxide
SIGALD/232653 - ReagentPlus®, 99.9% trace metals basis
Synonym: Chromic anhydride
CAS Number: 1333-82-0
Empirical Formula (Hill Notation): CrO3
Molecular Weight: 99.99
EC Number: 215-607-8
MDL Number: MFCD00010952
Linear Formula: CrO3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 232653-2.5KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 232653-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 232653-100G
| assay | 99.9% trace metals basis |
| form | (powder and or flakes) |
| InChI | 1S/Cr.3O |
| InChI key | WGLPBDUCMAPZCE-UHFFFAOYSA |
| mp | 196 °C (dec.) (lit.) |
| pH | <1 (20 °C, 100 g/L) |
| product line | ReagentPlus® |
| Quality Level | 100  |
| SMILES string | O=[Cr](=O)=O |
| Application: | Chromium (VI) oxide may be employed as a catalyst for the following reactions: • Transformation of various primary alcohols to carboxylic acids. • Oxidation of arenes (naphthalenes and anthrathene) to the corresponding quinones by using periodic acid as the terminal oxidant in acetonitrile. • Benzylic oxidation of various substituted toluene to the corresponding benzoic acids. • Oxidation of sulfides to sulfones. |
| Application: | Used with ammonium chloride to oxidize hydrobenzoins to benzils. |
| General description: | Chromium (VI) oxide is acidic anhydride of chromic acid. It is a useful oxidizing reagent for the conversions of:,Carbon-hydrogen bonds to alcohols,,Alkenes to α, β-unsaturated ketones,Alcohol to aldehydes, acids, and keto acids. |
| Legal Information: | ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1, 2.5 kg in glass bottle |
| Packaging: | 100 g in glass bottle |
| Symbol |      GHS03,GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H271 - H301 + H311 - H314 - H317 - H330 - H334 - H335 - H340 - H350 - H361f - H372 - H410 |
| Precautionary statements | P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | O,T+,N |
| Risk Statements | 45-46-9-24/25-26-35-42/43-48/23-50/53-62 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 1463 8(6.1)(5.1) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.9% trace metals basis |
| mp | 196 °C (dec.) (lit.) |
| UNSPSC | 12352300 |