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CAS 618-03-1

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3-Amino-4-methylbenzenesulfonic acid

Description:
3-Amino-4-methylbenzenesulfonic acid, also known as p-toluenesulfonic acid, is an aromatic sulfonic acid characterized by the presence of an amino group and a methyl group on a benzene ring, along with a sulfonic acid functional group. This compound is typically a white to light yellow crystalline solid that is soluble in water and polar organic solvents. It exhibits acidic properties due to the sulfonic acid group, making it useful as a reagent in organic synthesis and as a catalyst in various chemical reactions. The amino group can participate in nucleophilic substitution reactions, while the sulfonic acid group enhances the compound's reactivity and solubility. 3-Amino-4-methylbenzenesulfonic acid is often utilized in the production of dyes, pharmaceuticals, and as an intermediate in the synthesis of other chemical compounds. Safety precautions should be observed when handling this substance, as it may cause irritation to the skin and eyes.
Formula:C7H9NO3S
InChI:InChI=1/C7H9NO3S/c1-5-2-3-6(4-7(5)8)12(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)
InChI key:InChIKey=DTNODBHGOLWROS-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC(N)=C(C)C=C1
Synonyms:
  • 1-Amino-2-methyl-5-benzenesulfonic acid
  • 2-Amino Toluene-4-Sulphonic Acid
  • 2-Amino-4-Methylbenzenesulfonic Acid
  • 2-Amino-4-toluenesulfonic acid
  • 2-Amino-toluene-4-sulfonic acid
  • 2-Methyl-5-sulfoaniline
  • 3-Amino-4-Methylbenzenesulfonic Acid
  • 3-Amino-4-methylbenzene-1-sulfonic acid
  • 3-Amino-p-toluenesulfonic acid
  • 4-Amino-3-Methylbenzenesulfonic Acid
  • See more synonyms
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