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CAS 21668-77-9

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1,3-Propanedisulfonic acid

Description:
1,3-Propanedisulfonic acid, with the CAS number 21668-77-9, is an organic sulfonic acid characterized by the presence of two sulfonic acid groups (-SO3H) attached to a three-carbon propane backbone. This compound is typically a colorless to pale yellow liquid or solid, depending on its form and purity. It is highly soluble in water, making it useful in various aqueous applications. The presence of multiple sulfonic acid groups imparts strong acidic properties, allowing it to act as a potent acid in chemical reactions. 1,3-Propanedisulfonic acid is often utilized in the synthesis of surfactants, detergents, and as a reagent in organic synthesis. Its ability to form stable complexes with metal ions also makes it valuable in analytical chemistry and catalysis. Additionally, due to its sulfonic acid groups, it can serve as a strong electrolyte in various electrochemical applications. Safety precautions should be observed when handling this compound, as it can be corrosive and may cause irritation to skin and eyes.
Formula:C3H8O6S2
InChI:InChI=1S/C3H8O6S2/c4-10(5,6)2-1-3-11(7,8)9/h1-3H2,(H,4,5,6)(H,7,8,9)
InChI key:InChIKey=MGNVWUDMMXZUDI-UHFFFAOYSA-N
SMILES:C(S(=O)(=O)O)CCS(=O)(=O)O
Synonyms:
  • 1,3-Propanedisulfonic acid
  • Disodium1,3-propanedisulphonate,(1,3-Propanedisulphonicaciddisodiumsalt)
  • Eprodisate
  • Propane-1,3-Disulfonate
  • Propane-1,3-Disulfonic Acid
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