Arsenic(III) oxide, 99.999%
Order Arsenic(III) oxide, 99.999% (CAS 1327-53-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.
About Arsenic(III) oxide, 99.999%
Arsenic(III) oxide, 99.999% is part of the Zemixal main Group Metal & Metalloid Compounds (Al, Sn, Pb, Bi, Sb, Ga, In) range. Identity at a glance (99.999%): CAS 1327-53-3, formula As2O3 and molar mass 197.84 g/mol. It is described as white powder to crystalline to chunks.
Common uses in the lab and plant
- Materials research
- Chemical synthesis
Safe handling
Reported physical data: melting point 313 °C. It carries the GHS signal word Danger (H300, H314, H350 and H400), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1561.
Order it in 5 g, 10 g, 25 g, 100 g and 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Specifications and identifiers
| Product name | Arsenic(III) oxide, 99.999% |
|---|---|
| Catalogue number | ZX-014221 |
| CAS number | 1327-53-3 |
| IUPAC name | bis(arsenic(3+));tris(oxygen(2-)) |
| Molecular formula | As2O3 |
| Molar mass | 197.84 g/mol |
| Exact mass | 197.8279 |
| Purity / assay | 99.999% |
| Physical form | Crystalline |
| Appearance | White powder to crystalline to chunks |
| Melting point | 313 °C |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 3 Ų |
| HS code | 28112920 |
| UN number | UN 1561 |
| InChIKey | QTLQKAJBUDWPIB-UHFFFAOYSA-N |
| SMILES | [O-2].[O-2].[O-2].[As+3].[As+3] |
| PubChem CID | 14888 |
| Synonyms | Arsenous acid high purity, Arsenous acid, Diarsenic trioxide, Arsenic Trioxide, Arsenic oxide (As2O3), Arseni trioxydum, Arsenious trioxide, Claudetite, Oxyde Arsenieux, Arsenious Acid Anhydride, Acide arsenieux, Arsenic blanc |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H300Fatal if swallowed
- H314Causes severe skin burns and eye damage
- H350May cause cancer
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P203, P260, P264, P270, P273, P280, P301 + P316, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P318, P321, P330, P363, P391, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 10 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Arsenic(III) oxide, 99.999%
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Other grades with CAS 1327-53-3
- CAS
- 1327-53-3
- Formula
- As2O3
- MW
- 197.84 g/mol
- CAS
- 1327-53-3
- Formula
- As2O3
- MW
- 197.84 g/mol
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