Arsenic(III) oxide
SIGALD/A1010 - ReagentPlus®, ≥99.0%
Synonym: 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 | ≥99.0% |
| form | powder |
| InChI | 1S/As2O3/c3-1-5-2-4 |
| InChI key | IKWTVSLWAPBBKU-UHFFFAOYSA |
| product line | ReagentPlus® |
| Quality Level | 200 ![]() |
| SMILES string | O=[As]O[As]=O |
| storage temp. | room temp |
| vapor pressure | 0 hPa ( 66 °C) |
| Application: | Arsenic(III) oxide was used in a study detailing the effect of arsenic trioxide in combination with γ-irradiation to elucidate the hemoglobin (Hb). |
| Biochem/physiol Actions: | Very potent agent against acute promyelocytic leukemia (APL). Causes skin, lung and bladder cancer. |
| General description: | Arsenic(III) oxide, also known as arsenic trioxide, is an amphoteric oxide that serves as a raw material for the synthesis of several arsenic-based compounds. It is utilized to decolorize glasses and enamels. Its efficacy in treating in acute promyelocytic leukaemia (APL) has been investigated. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 25, 100, 250 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 | ≥99.0% |
| Storage Temp. | room temp |
| UNSPSC | 12171602 |





