Buy Sulfurous acid (7782-99-2) MF: H2O3S | MW: 82.08. Get High Quality Sulfurous acid (7782-99-2) from ChemieR at Dawnscientific.com
Sulfurous acid is a colorless liquid with a pungent smell of SO2. Sulfurous is produced when sulfur dioxide is dissolved in water. It is the aqueous solution of SO2. Its chemical formula is H2SO3. Sulfurous acid is also known as Sulfuric(IV) acid and thionic acid. It is a sulfur oxoacid. It is a conjugate acid of a hydrogensulfite. It is a tautomer of a sulfonic acid. Sulphurous acid is a strong reducing agent. It has a +4 oxidation state that can oxidise up to +6 when sulphurous acid reduces other substances.
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Applications
- It can reduce chlorine to hydrochloric acid.
- It can be oxidised to sulphate or sulfuric acid by accepting another oxygen atom.
- It is used to bleach straw and paper products, such as hats and bags.
- It is used as a good disinfecting agent.
Benefits
- As reducing agents
- Used as an intermediate in industries
- As disinfectants
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