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SULPHUR DIOXIDE AQUEOUS SOLUTION Extra Pure

Sulphurous acid

COAs

Packings

500 ml (00500)

2500 ml (02500)

2500 ml (02500)

2500 ml (02500)

2GBA000500 2GBA002500 2GBAG02500 2GBAH02500
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Article No. 6187B Grade Extra Pure
Purity 5% CAS No. 7782-99-2
Molecular Formula H2SO3 Molecular Weight 82.08
H.S. Code 3822.9090 Shelf Life 36 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear Colorless
Odour Pungent odor of sulfur dioxide Density [g/cm3] 1.03
Solubility in water [% weight] Miscible in water

Specifications

Appearance A clear colourless liquid Assay Min 5%
Residue on ignition Max 0.002% Arsenic (As) Max 0.00005%
Heavy metal (as Pb) Max 0.0001% Chloride (Cl) Max 0.0005%
Iron (Fe) Max 0.0001%

Safety Information and Hazard Symbols

Corrosion
Symbol: GHS05
 Signal Word: Danger
 UN No.: 1833
 IMCO Class No.: 8
 Packing Group: II
 Hazardous Statement: H314
 Precaution Statement: P280-P305 + P351 + P338-P310
Revision Date: 01-Dec-2021

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