Sodium Sulfite
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sodium sulfite [′sōd·ē·əm ′səl‚fīt]

(inorganic chemistry)

Na₂SO₃White, water-soluble, crystals with a sulfurous, salty taste; decomposes when heated; used as a chemical intermediate and food preservative, in medicine and paper manufacturing, and for dyes and photographic developing.

Sodium Sulfite

Na₂SO₃, a salt; colorless crystals. Density, 2.63 g/cm³. Solubility in water, 20.82 percent at 19.9°C and 21.70 percent at 99°C. At ordinary temperatures Na₂SO₃.7H₂O crystallizes from aqueous solutions.

Sodium sulfite is a strong reducing agent and oxidizes readily in aqueous solutions upon exposure to air. Upon heating in aqueous solutions, Na₂SO₃ adds sulfur, with the formation of sodium thiosulfate. Sodium sulfate is obtained by the reaction of solutions of Na₂CO₃ and SO₂. It is a component of photographic developers.

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Sodium Sulfite (redirected from Hyposulphite of Soda)

Sodium Sulfite
(redirected from Hyposulphite of Soda)