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Sulfur dioxide

Catalog No. 84692 Name Sigma Aldrich
CAS Number 7446-09-5 Website http://www.sigmaaldrich.com
M. F. O2S Telephone 1-800-521-8956
M. W. 64.0638 Fax
Purity ≥99.9% Email
Storage Chembase ID: 129656

SYNONYMS

Title
二氧化硫
IUPAC name
(oxo-λ4-sulfanylidene)oxidane
IUPAC Traditional name
sulfur dioxide

DATABASE IDS

CAS Number 7446-09-5
MDL Number MFCD00011450
EC Number 231-195-2
Beilstein Number 3535237

PROPERTIES

Impurities ≤0.02% water
Impurities ≤0.05% H2SO4
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 Pictograms GHS04
GHS Pictograms GHS05
GHS Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H280-H314-H331
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, 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)
Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~2.5 kg
Description (简体中文)
Other Notes
可能实行销售限制
包装
罐装,净重 ~2.5kg

REFERENCES