Sulfurous acid, ACS, 6.0% SO{2} min

Product Code.	Quantity	unitSize
11444990	4 x 500 mL	2000mL
11434990	500 mL	500mL

Product Code. 11444990 Supplier Thermo Scientific Alfa Aesar Supplier No. 033275.AY

Description

CAS: 7782-99-2 | H2O3S | 82.073 g/mol

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.

Specifications

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

• Appearance: Colourless liquid
• Color: Colorless
• Density: 1.03 g/cm³ at 20°C
• Odor: Pungent
• Sensitivity: Air Sensitive
• Quantity: 4 x 500 mL
• Physical Form: Liquid
• UN Number: 1833
• Solubility Information: Miscible with water.
• Formula Weight: 82.08
• Grade: ACS
• Chemical Name or Material: Sulfurous Acid, 6.0% SO₂ min.

Seguridad y manipulación

Nombre del producto

• Sulphurous acid

Palabra de advertencia

• Danger

Clasificación

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 1
• Skin corrosion/irritation Category 1 B

Indicaciones de peligro

• H314-Causes severe skin burns and eye damage.
• H318-Causes serious eye damage.
• H332-Harmful if inhaled.

Consejos de prudencia

• 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/.

Otros peligros

• MIXTURE LIST-Contain: Sulfurous acid

SDS

RUO – Research Use Only