236470
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236470
Sigma-Aldrich
Chromium(VI) oxide
ACS reagent, ≥98.0%
| Synonym: | Chromic anhydride |
| CAS Number: | 1333-82-0 |
| Linear Formula: | CrO3 |
| Molecular Weight: | 99.99 |
| EC Number: | 215-607-8 |
| MDL number: | MFCD00010952 |
| PubChem Substance ID: | 24854172 |
Description
| Packaging | 100, 500 g in glass btl |
Properties
| grade | ACS reagent |
| assay | ≥98.0% |
| total impurities | ≤0.01% insolubles |
| mp | 196 °C (dec.)(lit.) |
| anion traces | chloride (Cl-): ≤0.005% |
| nitrate (NO3-): ≤0.05% | |
| sulfate (SO42-): ≤0.005% | |
| cation traces | Fe, Al, Ba: ≤0.03% |
| Na: ≤0.2% |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges |
| 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 | UN1463 5.1/PG 2 |
| WGK Germany | 3 |
| RTECS | GB6650000 |
References
| Merck | Merck 13,2256 |
| Fieser | Fieser 1,144 / Fieser 1,44 / Fieser 2,72 / Fieser 3,54 / Fieser 4,96 / Fieser 5,140 / Fieser 7,70 / Fieser 9,115 / Fieser 10,99 / Fieser 12,131 / Fieser 15,92 / Fieser 17,86 |
| reference | Aldrich MSDS 1, 471:D / Corp MSDS 1 (1), 882:A / RegBook 1 (3), 3283:I / Sax 6, 791 |
