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CAS 89-08-7

:

4-Sulfophthalic acid

Description:
4-Sulfophthalic acid, with the CAS number 89-08-7, is an aromatic sulfonic acid that features a phthalic acid structure with a sulfonic acid group (-SO3H) positioned at the para position relative to the carboxylic acid groups. This compound is typically a white to off-white crystalline solid that is soluble in water, making it useful in various applications. It is known for its acidity, which is attributed to the presence of the sulfonic acid group, and it can act as a strong acid in aqueous solutions. 4-Sulfophthalic acid is primarily used in the synthesis of dyes, pigments, and as a chemical intermediate in the production of various organic compounds. Additionally, it can serve as a pH regulator and is utilized in the formulation of surfactants and dispersants. Its chemical stability and reactivity make it a valuable compound in both industrial and laboratory settings. Safety precautions should be observed when handling this substance, as it may cause irritation to the skin and eyes.
Formula:C8H6O7S
InChI:InChI=1S/C8H6O7S/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)
InChI key:InChIKey=WNKQDGLSQUASME-UHFFFAOYSA-N
SMILES:C(O)(=O)C1=C(C(O)=O)C=CC(S(=O)(=O)O)=C1
Synonyms:
  • 1,2-Benzenedicarboxylic acid, 4-sulfo-
  • 4-Sulfo-1,2-benzenedicarboxylic acid
  • 4-Sulfonatobenzene-1,2-Dicarboxylate
  • 4-Sulphophthalic acid
  • Hsdb 5264
  • NSC 163994
  • Nsc 100615
  • Phthalic acid, 4-sulfo-
  • Phthalic acid, 4-sulfo- (8CI)
  • 4-Sulfophthalic acid
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