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

Product Code	Brand	Quantity
11434990	Thermo Scientific Alfa Aesar 033275.AP	500 mL
11444990	Thermo Scientific Alfa Aesar 033275.AY	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.

Chemical Identifiers

• CAS: 7782-99-2
• Molecular Weight (g/mol): 82.073
• InChI Key: LSNNMFCWUKXFEE-UHFFFAOYSA-N
• PubChem CID: 1100
• IUPAC Name: sulfurous acid

• Molecular Formula: H2O3S
• MDL Number: MFCD00011335
• Synonym: sulphurous acid, sulfur dioxide solution, schweflige saure german, h2so3, unii-j1p7893f4j, schweflige saure, acide sulfureux, acido sulfuroso, schweflige saeure, trioxosulfuric acid
• ChEBI: CHEBI:48854
• SMILES: OS(=O)O

Specifications

• Appearance: Colourless liquid
• CAS: 7782-99-2
• Odor: Pungent
• Molecular Formula: H2O3S
• MDL Number: MFCD00011335
• Solubility Information: Miscible with water.
• SMILES: OS(=O)O
• Molecular Weight (g/mol): 82.073
• ChEBI: CHEBI:48854
• Grade: ACS

• Color: Colorless
• Density: 1.03 g/cm³ at 20°C
• Sensitivity: Air Sensitive
• Physical Form: Liquid
• Synonym: sulphurous acid, sulfur dioxide solution, schweflige saure german, h2so3, unii-j1p7893f4j, schweflige saure, acide sulfureux, acido sulfuroso, schweflige saeure, trioxosulfuric acid
• InChI Key: LSNNMFCWUKXFEE-UHFFFAOYSA-N
• IUPAC Name: sulfurous acid
• PubChem CID: 1100
• Formula Weight: 82.08
• Chemical Name or Material: Sulfurous acid, 6.0% SO₂ min.

Safety and Handling

P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P501c

H319-H335

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missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Argon

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