Arsenic(III) oxide
ALDRICH/202673 - 99.995% trace metals basis
Synonym: ATO; Diarsenic trioxide;; Arsenic trioxide; Arsenous acid
CAS Number: 1327-53-3
Empirical Formula (Hill Notation): As2O3
Molecular Weight: 197.84
EC Number: 215-481-4
MDL Number: MFCD00003433
Linear Formula: As2O3
Product Type: Chemical
| assay | 99.995% trace metals basis |
| form | powder |
| InChI | 1S/As2O3/c3-1-5-2-4 |
| InChI key | IKWTVSLWAPBBKU-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| reaction suitability | core: arsenic |
| reagent type: catalyst | |
| SMILES string | O=[As]O[As]=O |
| Application: |
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| General description: | Arsenic(III) oxide (ATO) is an inorganic form of arsenic that is used as a therapeutic compound for treating patients with acute promyelocytic leukemia (APL). Many drug-delivery methods are currently being developed using nanotechnology to overcome its poor bioavailability due to rapid clearance from blood. |
| Packaging: | 5, 25 g in glass bottle |
| Symbol | ![]() ![]() ![]() GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H300 - H314 - H350 - H410 |
| Precautionary statements | P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | T+,N |
| Risk Statements | 45-28-34-50/53 |
| Safety Statements | 53-45-60-61 |
| RIDADR | UN 1561 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.995% trace metals basis |
| UNSPSC | 12161600 |





