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CAS 81-11-8

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Diaminostilbenedisulfonic acid

Description:
Diaminostilbenedisulfonic acid, with the CAS number 81-11-8, is an organic compound characterized by its structure, which features two amino groups and two sulfonic acid groups attached to a stilbene backbone. This compound is typically a white to light yellow crystalline solid that is soluble in water, making it useful in various applications. It is primarily utilized as a dye intermediate and in the synthesis of fluorescent dyes, particularly in the textile and paper industries. The presence of sulfonic acid groups enhances its solubility and reactivity, while the amino groups can participate in further chemical reactions, such as coupling reactions in dye production. Additionally, diaminostilbenedisulfonic acid exhibits good thermal stability and can be used in the formulation of optical brighteners. Its chemical properties make it an important compound in organic synthesis and industrial applications, particularly in the development of colorants and fluorescent materials. Safety precautions should be observed when handling this compound, as it may pose health risks upon exposure.
Formula:C14H14N2O6S2
InChI:InChI=1S/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)
InChI key:InChIKey=REJHVSOVQBJEBF-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=C(C=CC2=C(S(=O)(=O)O)C=C(N)C=C2)C=CC(N)=C1
Synonyms:
  • 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid)
  • 2,2'-Ethene-1,2-Diylbis(5-Aminobenzenesulfonic Acid)
  • 2,2′-(1,2-Ethenediyl)bis[5-aminobenzenesulfonic acid]
  • 2,2′-Disulfo-4,4′-stilbenediamine
  • 2,2′-Stilbenedisulfonic acid, 4,4′-diamino-
  • 4,4'-Diamino-2,2'-stilbenedisulfonic acid
  • 4,4'-Diaminostilbene-2,2'-Disulfonic Acid
  • Amsonic acid
  • Benzenesulfonic acid, 2,2′-(1,2-ethenediyl)bis[5-amino-
  • DSD acid
  • See more synonyms
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