Sulfur trioxide

• Catalog No.: 227692
• CAS Number: 7446-11-9
• M. F.: O3S
• M. W.: 80.0632
• Purity: 99%

SYNONYMS

• Title: 三氧化硫
• IUPAC name: sulfonylideneoxidane
• IUPAC Traditional name: sulfur trioxide
• Synonyms: 硫酸酐; Sulfuric anhydride

DATABASE IDS

• MDL Number: MFCD00011452
• EC Number: 231-197-3
• CAS Number: 7446-11-9
• PubChem SID: 24853646

PROPERTIES

• Contains: stabilizer
• Impurities: low-melting solid polymer(the formation of which is unavoidable)
• Linear Formula: SO3
• Purity: 99%
• Boiling Point: 44.7 °C(lit.)
• Density: 1.97 g/mL at 25 °C(lit.)
• Melting Point: 16.8 °C(lit.)
• Vapor Density: 2.8 (vs air)
• Vapor Pressure: 280 mmHg ( 25 °C)
• GHS Signal Word: Danger
• GHS Hazard statements: H271-H314-H330-H350
• European Hazard Symbols: Oxidising (O)
• European Hazard Symbols: Highly toxic (T+)
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US)
• GHS Precautionary statements: P201-P220-P260-P280-P284-P305 + P351 + P338
• RID/ADR: UN 1829 8/PG 1
• Risk Statements: 45-8-14-26-34
• RTECS: WT4830000
• Safety Statements: 53-17-26-36/37/39-45
• Hazard Class: 8
• UN Number: 1829
• Packing Group: 1
• German water hazard class: 3

DETAILS

Description (English)

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Packaging
40 g in glass bottle

Description (简体中文)

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包装
40 g in glass bottle