Sulphur Dioxide - Purity >= 99.98%, Filling Pressure At 150c Bar: 2.7 | Colourless Liquified Gas, Used In Fertilizer And Fumigation Applications

Product information:
Quality Code: 3.8

Purity% Volume: >= 99.98

Impurities ppm
(where nothingelse stated)
H2O <= 200
N2 <=14

General Information
Filling pressure at 150c bar: 2.7
Material recommendation: In Humid condition Stainless Steel

Characterstics
Colourless, liquified gas with pungent colour. Dry gas is not corrosive.

Health Risks
Toxic: irritates the eyes and respiratory passages. 50-100ppm is considered to be maximum permissible concentration for exposures of 30-60 min. Normally the odour is detected at 3ppm by taste at 0.7ppm.

Transport
ADr class 2, 3 (at)

Applications
Sulphur dioxide is used in the manufacture of sulphite, hydrogen sulphites and sulphuric
acid.

Sulphur dioxide is used in magnesium foundries as protection gas (an alternative to SF6).

Sulphur dioxide is used as a bleaching agent particularly for certain types of dried food,
and also to bleach glue, elation, sugar, textiles, fats and oils.

Sulphur dioxide is used to sterilize wine and beer making equipment in order to inhibit the
growth of moulds and bacteria, and to control wine fermentation. Sulphur dioxide may be
used in a variety of disinfecting and fumigation applications.

Sulphur dioxide is also used in the float glass manufacturing process..

Sulphur dioxide may be used

• as a refrigerant
• in laboratory research on corrosion problems
• to remove excess chlorine in textile bleaching and water treatment
• in preparation of chrome leather tanning
• as a solvent.