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Sulfur Dioxide, SO2 Industrial Gas

CAS NO	7446-09-5
UN NO	1079
EINECS NO	231-195-2
Molecular weight	64.06
Appearance	Colorless gas
Melting point	-73 °C
Boiling point	-10 °C ℃
Density	1.25 g/mL at 25 °C (lit.)
DOT Class	2.3& 8
Label	Toxic Gas, Corrosives

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Category: Industrial Gases

Description

Description

Sulfur Dioxide is a colorless gas with room – breathing properties and special odor; With strong reducing agent、strong oxidant and flammable. Soluble in water and ethanol.

Application

Preparation of chemicals and pharmaceuticals, preparation of bisulfite salts, such as sodium bisulfite, as paper mill bleach. Agriculture An industrial process in which corn husks are removed as soaking fluids during the wet crushing process.

For pulp and paper, preparation of sulfite cooking liquid for pulping process.

Environmental protection, urban or industrial sewage off point.

Industrial Grade

Specification	99.99%
Residue	≤ 0.04 %
Moisture	≤ 0.06 %
Arsenic	≤ 0.000004 %

Other Grades and Purity Available on Asking

Package Information

Cylinder Capacity	Valve
10L、40L、47L、400L、800L	QF-10/CGA660

Other Packages Available on Asking

Reference