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CAS 10102-17-7

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Sodium thiosulfate pentahydrate

Description:
Sodium thiosulfate pentahydrate, with the CAS number 10102-17-7, is an inorganic compound that appears as a white crystalline solid. It is the pentahydrate form of sodium thiosulfate, meaning it contains five molecules of water for each molecule of sodium thiosulfate. This compound is highly soluble in water, forming a clear solution, and is known for its reducing properties. Sodium thiosulfate pentahydrate is commonly used in various applications, including photography as a fixer, in water treatment processes to dechlorinate water, and in analytical chemistry as a titrant in iodometric titrations. It also plays a role in medicine, particularly in the treatment of cyanide poisoning. The compound is relatively stable under normal conditions but should be stored in a cool, dry place away from strong acids and oxidizing agents. Its safety profile indicates that it is generally considered low in toxicity, although appropriate handling and safety measures should always be observed.
Formula:H2O3S2·5H2O·2Na
InChI:InChI=1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2
InChI key:InChIKey=JIWXHKJJHDWKGC-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)S.[Na].O
Synonyms:
  • Disodium thiosulfate pentahydrate
  • Disodium thiosulphate pentahydrate
  • Hypo
  • Natriumthiosulfat-Pentahydrat
  • Sodium Thiosulfate Pentahydrate
  • Sodium thiosulfate (Na2S2O3) pentahydrate
  • Sodium thiosulfate (Na<sub>2</sub>S<sub>2</sub>O<sub>3</sub>) pentahydrate
  • Sodium thiosulfate pentahydrate (Na2S2O3.5H2O)
  • Sodium thiosulfate pentahydrate (Na<sub>2</sub>S<sub>2</sub>O<sub>3</sub>.5H<sub>2</sub>O)
  • Thiosulfate, Sodium, Pentahydrate
  • See more synonyms
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