255459

Arsenic(V) oxide hydrate

97%

• Synonym(s): Arsenic pentoxide hydrate
• Linear Formula: As₂O₅ · xH₂O
• CAS Number: 12044-50-7
• Molecular Weight: 229.84 (anhydrous basis)
• EC Number: 215-116-9
• MDL number: MFCD00149146
• UNSPSC Code: 12352303
• PubChem Substance ID: 24855456
• NACRES: NA.23

Properties

• Quality Level: 100
• assay: 97%
• form: powder
• composition: Degree of hydration, ~3
• density: 4.32 g/mL at 25 °C (lit.)
• SMILES string: O.O=[As](=O)O[As](=O)=O
• InChI: 1S/As2O5.H2O/c3-1(4)7-2(5)6;/h;1H2
• InChI key: XSIWZGKXZLITBO-UHFFFAOYSA-N

Safety Information

• pictograms: GHS06,GHS08,GHS09
• signalword: Danger
• hcodes: H300,H331,H350,H410
• pcodes: P202 - P261 - P264 - P273 - P301 + P310 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 2 Oral - Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
• 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