Arsenic(III) oxide
SIAL/17971 - reference material for titrimetry, certified by BAM, >99.5%
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
| application(s) | agriculture environmental |
| assay | >99.5% |
| format | neat |
| grade | reference material |
| InChI | 1S/As2O3/c3-1-5-2-4 |
| InChI key | IKWTVSLWAPBBKU-UHFFFAOYSA |
| quality | certified by BAM |
| Quality Level | 100  |
| SMILES string | O=[As]O[As]=O |
| technique(s) | titration: suitable |
| Analysis Note: | Exact concentration, expiry date and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label. |
| Application: | The reference material is to be used as a reductometric standard for titer determinations in redox titrations. |
| Features and Benefits: | • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened. • Traceable to NIST standard reference material • Offers accurate titer determinations • Accompanied by a certificate of analysis (CoA) |
| General description: | Arsenic(III) oxide is a volumetric standard produced under rigorous conditions and measured with the highest possible precision. Its content determination and homogeneity assessment are carried out using volumetric redox titration as the primary analysis method. |
| General description: | Search & download your certificate here. |
| General description: | This compound is listed in the SVHC (Substances of very high concern) candidate list  of ECHA (European Chemicals Agency) |
| 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 | >99.5% |
| UNSPSC | 41116107 |