Arsenic(III) oxide
SIGALD/311383 - ACS reagent (primary standard)
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
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: 311383-125G
| anion traces | chloride (Cl-): ≤0.005% |
| S2-: passes test (lim. ~0.001%) | |
| assay | 99.95-100.05% |
| cation traces | Fe: ≤5 ppm |
| Pb: ≤0.002% | |
| Sb: ≤0.05% | |
| form | powder |
| grade | ACS reagent (primary standard) |
| ign. residue | ≤0.02% |
| InChI | 1S/As2O3/c3-1-5-2-4 |
| InChI key | IKWTVSLWAPBBKU-UHFFFAOYSA |
| Quality Level | 200  |
| reaction suitability | reagent type: catalyst core: arsenic |
| SMILES string | O=[As]O[As]=O |
| solubility | dilute HCl: insoluble ≤0.01% |
| vapor pressure | 0 hPa ( 66 °C) |
| Application: | Arsenic (III) oxide is used • In the synthesis of arsenic pentafluoride (AsF5) by static fluorination method in a closed system. • In the preparation of arsenic-doped ZnO films by adding As2O3 to zinc acetate, 2-methoxyethanol, and monoethanolamine by sol-gel spin coating method. |
| General description: | Arsenic (III) oxide, also referred to as arsenic trioxide, is an amphoteric oxide that is used as a raw material to produce several arsenic-based compounds. |
| Packaging: | 125 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 | 99.95-100.05% |
| UNSPSC | 12171602 |