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CAS 22411-24-1

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4-sulfophthalic acid, triammonium salt

Description:
4-Sulfophthalic acid, triammonium salt is an organic compound characterized by its sulfonic acid functional group and its ammonium salt form. It is derived from phthalic acid, where one of the carboxylic acid groups is replaced by a sulfonic acid group, and it is fully protonated with three ammonium ions. This compound is typically a white to off-white solid and is soluble in water, which enhances its utility in various applications. It exhibits properties such as being hygroscopic and having a relatively high melting point. The presence of the sulfonic acid group imparts strong acidic characteristics, while the ammonium groups contribute to its basicity. This compound is often used in dye manufacturing, as a pH regulator, and in various chemical syntheses. Additionally, it may have applications in the textile and paper industries due to its ability to act as a dispersing agent. Safety data should be consulted for handling, as with any chemical substance, to ensure proper precautions are taken.
Formula:C8H15N3O7S
InChI:InChI=1/C8H6O7S.3H3N/c9-7(10)5-2-1-4(16(13,14)15)3-6(5)8(11)12;;;/h1-3H,(H,9,10)(H,11,12)(H,13,14,15);3*1H3
SMILES:c1cc(c(cc1S(=O)(=O)O)C(=O)O)C(=O)O.N.N.N
Synonyms:
  • Triammonium 4-Sulfonatobenzene-1,2-Dicarboxylate
  • 4-Sulfophthalic acid triammonium salt
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