PHYSICAL PROPERTIES

Sulfur Dioxide is a highly irritating, nonflammable colourless, toxic gas.

Molecolar
Weight
Relative Density
@101.325 kPa
@25C (Air=1)

EXPOSURE LIMITS

TWAEV
Time-Weighted Average Exposure Values
STEV
Short-Term Exposure Values

COMMON USES

Preservative

General Bleaching Agent of Oils and Foods

Pulp and Paper Industry

Refrigerant in Ice Industry

SULPHUR DIOXIDE

BLOOD SATURATION % CARBOXYHEMOGLOBIN

 

will affect the eyes, throat, lungs and cause severe coughing.

8-12 ppm

Due to it's highly irritating characteristics, SO2 at levels as low as

In studies, Sulfur Dioxide is shown to inhibit cell growth. At high concentrations, SO2 can be very dangerous with just

a couple minutes of exposure

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