Sulfur dioxide

• Catalog No.: 295698
• CAS Number: 7446-09-5
• M. F.: O2S
• M. W.: 64.0638
• Purity: ≥99.9%

SYNONYMS

• Title: 二氧化硫
• IUPAC name: (oxo-λ^4-sulfanylidene)oxidane
• IUPAC Traditional name: sulfur dioxide

DATABASE IDS

• CAS Number: 7446-09-5
• MDL Number: MFCD00011450
• PubChem SID: 24857804
• EC Number: 231-195-2
• Beilstein Number: 3535237

PROPERTIES

• Linear Formula: SO2
• Purity: ≥99.9%
• Boiling Point: -10 °C(lit.)
• Density: 1.25 g/mL at 25 °C(lit.)
• Melting Point: -73 °C(lit.)
• Vapor Density: 2.26 (21 °C, vs air)
• Vapor Pressure: 1779 mmHg ( 21 °C)
• GHS Signal Word: Danger
• GHS Hazard statements: H280-H314-H331
• European Hazard Symbols: Toxic (T)
• Personal Protective Equipment: Faceshields, Gloves, Goggles, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• GHS Precautionary statements: P261-P280-P305 + P351 + P338-P310-P410 + P403
• RID/ADR: UN 1079 2.3
• Risk Statements: 23-34
• RTECS: WS4550000
• Safety Statements: 9-26-36/37/39-45
• Hazard Class: 2.3
• UN Number: 1079
• German water hazard class: 1

DETAILS

Description (English)

Packaging
454 g in steel cylinder
Recommended products
Stainless steel control valves Z146951, Z187224 or either of stainless steel regulators Z148504 and Z148512 and a "T"-purge valve Z151661 is recommended.

Description (简体中文)

包装
454 g in steel cylinder
Recommended products
推荐使用不锈钢控制阀 Z146951、Z187224 或不锈钢调节器 Z148504 和 Z148512 中的任意一种，以及"T"型吹扫阀 Z151661。