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CAS 98-36-2

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3-Amino-4-chlorobenzenesulfonic acid

Description:
3-Amino-4-chlorobenzenesulfonic acid, with the CAS number 98-36-2, is an aromatic sulfonic acid characterized by the presence of an amino group and a chlorine atom on a benzene ring that is also substituted with a sulfonic acid group. This compound typically appears as a white to light yellow crystalline solid and is soluble in water due to the sulfonic acid functional group, which enhances its polarity. It has applications in the dye industry, particularly in the synthesis of azo dyes, and serves as an intermediate in the production of various chemical compounds. The presence of both the amino and sulfonic acid groups contributes to its reactivity, allowing it to participate in electrophilic substitution reactions. Additionally, the chlorine atom can influence the electronic properties of the molecule, affecting its reactivity and interaction with other chemical species. Safety precautions should be taken when handling this compound, as it may pose health risks if ingested or inhaled.
Formula:C6H6ClNO3S
InChI:InChI=1S/C6H6ClNO3S/c7-5-2-1-4(3-6(5)8)12(9,10)11/h1-3H,8H2,(H,9,10,11)
InChI key:InChIKey=XJQRCFRVWZHIPN-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC(N)=C(Cl)C=C1
Synonyms:
  • 1-Amino-2-chlorobenzene-5-sulphonic acid
  • 2-Chloroaniline-5-sulfonic acid
  • 3-Amino-4-Chlorobenzenesulfonate
  • 3-Amino-4-Chlorobenzenesulfonic Acid
  • 4-Chlorometanilic acid
  • Benzenesulfonic acid, 3-amino-4-chloro-
  • Metanilic acid, 4-chloro-
  • NSC 59702
  • NSC 7538
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