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  7. Sulfurous acid, ACS, 6.0% SO{2} min, Thermo Scientific Chemicals

Sulfurous acid, ACS, 6.0% SO{2} min, Thermo Scientific Chemicals

Product Code. 11434990
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Quantity:
500 mL
4 x 500 mL

Description

Sulfurous acid is used as a reducing agent, bleaching agent and disinfectant. It is utilized for bleaching of moistened wool, straw for hats, and other materials injured by chlorine. It finds application as a disinfectant as well as used externally for its parasiticidal effect in various skin diseases. Its derivative viz. sulfites are included in antiseptics, antifermentatives, and antizymotics.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7782-99-2
Molecular Formula H2O3S
Molecular Weight (g/mol) 82.073
MDL Number MFCD00011335
InChI Key LSNNMFCWUKXFEE-UHFFFAOYSA-N
Synonym sulphurous acid, sulfur dioxide solution, schweflige saure german, h2so3, unii-j1p7893f4j, schweflige saure, acide sulfureux, acido sulfuroso, schweflige saeure, trioxosulfuric acid
PubChem CID 1100
ChEBI CHEBI:48854
IUPAC Name sulfurous acid
SMILES OS(=O)O

Specifications

Appearance Colourless liquid
Color Colorless
Density 1.03 g/cm3 at 20°C
Odor Pungent
Sensitivity Air Sensitive
Quantity 500 mL
Physical Form Liquid
Solubility Information Miscible with water.
Formula Weight 82.08
Grade ACS
Chemical Name or Material Sulfurous acid, 6.0% SO2 min.
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Safety and Handling

compliance-icons compliance-icons
Product Identifier
  • Sulphurous acid
 Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 1
  • Skin corrosion/irritation Category 1 B
 Hazard Statement
  • H314-Causes severe skin burns and eye damage.
  • H318-Causes serious eye damage.
  • H332-Harmful if inhaled.
 Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Supplemental information
  • MIXTURE LIST-Contains : Sulfurous acid

RUO – Research Use Only

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