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247626 Sigma-Aldrich

Sulfur dioxide solution

ACS reagent, ≥6%

Synonym: Sulfurous acid, Sulfurous anhydride

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Inorganic Acids, Synthetic Reagents More...
Quality Level   200
grade   ACS reagent
vapor density   2.3 (vs air)
assay   ≥6% SO2 basis (by Na2S2O3, titration)
form   liquid
concentration   ≥6%
ign. residue   ≤0.005%
density   1.03 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤5 ppm
cation traces   Fe: ≤5 ppm
  heavy metals (as Pb): ≤2 ppm
SMILES string   OS(O)=O
InChI   1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
InChI key   LSNNMFCWUKXFEE-UHFFFAOYSA-N

Description

Packaging

100, 500 g in glass bottle

2 kg in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1833 8 / PGII
WGK Germany 
WGK 1

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Peer-Reviewed Papers
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