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CAS 10102-15-5

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Sodium sulfite heptahydrate

Description:
Sodium sulfite heptahydrate, with the CAS number 10102-15-5, is an inorganic compound characterized by its crystalline structure and high solubility in water. It appears as a white, hygroscopic solid that can absorb moisture from the air. This compound consists of sodium ions (Na⁺) and sulfite ions (SO₃²⁻), with seven water molecules associated with each formula unit, contributing to its heptahydrate designation. Sodium sulfite heptahydrate is commonly used in various applications, including as a reducing agent in chemical processes, a preservative in food and beverages, and in the paper and pulp industry for bleaching and dechlorination. It is also utilized in photography and water treatment processes. The compound is generally stable under normal conditions but should be handled with care, as it can release sulfur dioxide gas upon reaction with acids. Safety precautions are necessary, as it may cause irritation to the skin, eyes, and respiratory tract.
Formula:H2O3S·7H2O·2Na
InChI:InChI=1S/2Na.H2O3S.7H2O/c;;1-4(2)3;;;;;;;/h;;(H2,1,2,3);7*1H2
InChI key:InChIKey=YTTPIQHLMHSJAM-UHFFFAOYSA-N
SMILES:S(=O)(O)O.[Na].O
Synonyms:
  • sulfurousacid,sodiumsalt,heptahydrate
  • SODIUM SULPHITE 7H2O
  • Sodium sulfite heptahydrate
  • Sulfurous acid, disodium salt, heptahydrate
  • Sodiumsulfite7-hydrate
  • Sulfurous acid, disodium salt, heptahydrate
  • SODIUMSULPHITEHEPTAHYDRATE
  • disodium sulfite
  • SODIUM SULFITE 7 H2O
  • sodium sulfite hydrate (2:1:7)
  • sodiumsulfiteheptahydrate(2:1:7)
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