255483

Arsenic(III) oxide

99.99% trace metals basis

• Synonym(s): Arsenic trioxide, Arsenous acid
• Empirical Formula (Hill Notation): As₂O₃
• CAS Number: 1327-53-3
• Molecular Weight: 197.84
• EC Number: 215-481-4
• MDL number: MFCD00003433
• UNSPSC Code: 12352300
• PubChem Substance ID: 24855458

Properties

• assay: 99.99% trace metals basis
• form: (granular powder)
• SMILES string: O=[As]O[As]=O
• InChI: 1S/As2O3/c3-1-5-2-4
• InChI key: IKWTVSLWAPBBKU-UHFFFAOYSA-N

Safety Information

• pictograms: GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H300,H314,H350,H372,H410
• pcodes: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1
• target_organs: Respiratory system,Cardio-vascular system,Gastrointestinal tract
• Storage Class: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges