Sulfurous Acid

Buy Sulfurous Acid (7782-99-2) MF: H2O3S | MW: 82.08. Get High Quality Sulfurous Acid (7782-99-2) from ChemieR.

Sulfurous acid, also known as Sulfuric(IV) acid and thionic acid, is a colorless liquid with a pungent smell of SO2. It is formed by dissolving sulfur dioxide in water, resulting in an aqueous solution of SO2. With a chemical formula of H2SO3, it is classified as a sulfur oxoacid and serves as a conjugate acid of a hydrogensulfite. Additionally, it acts as a tautomer of a sulfonic acid. As a strong reducing agent, sulphurous acid exhibits a +4 oxidation state, which can be increased to +6 when it reduces other substances. Due to its properties, it finds various applications in chemical laboratories and industrial processes.

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Application :

• Sulfurous acid can reduce chlorine to hydrochloric acid.
• It can be oxidized to sulphate or sulfuric acid by accepting another oxygen atom.
• Sulfurous acid is used as an intermediate in the production of various chemicals, such as sulfonic acids and sulfites.

Benefits :

• Gives reliable results
• Deliver accurate and reliable results
• Used as an intermediate in industries