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CAS 98-69-1

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4-Ethylbenzenesulfonic acid

Description:
4-Ethylbenzenesulfonic acid, with the CAS number 98-69-1, is an aromatic sulfonic acid characterized by the presence of a sulfonic acid group (-SO3H) attached to a benzene ring that also bears an ethyl substituent at the para position. This compound is typically a white to light yellow solid that is soluble in water and various organic solvents, owing to the polar sulfonic acid group. It exhibits acidic properties, making it useful in various chemical reactions and applications, including as a catalyst or in the synthesis of dyes and pharmaceuticals. The presence of the ethyl group enhances its hydrophobic character, which can influence its reactivity and interactions in different environments. Additionally, 4-ethylbenzenesulfonic acid can participate in electrophilic aromatic substitution reactions, making it a valuable intermediate in organic synthesis. Safety precautions should be observed when handling this compound, as it can be corrosive and may cause irritation to skin and eyes.
Formula:C8H10O3S
InChI:InChI=1/C8H10O3S/c1-2-7-3-5-8(6-4-7)12(9,10)11/h3-6H,2H2,1H3,(H,9,10,11)
InChI key:InChIKey=BRIXOPDYGQCZFO-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC=C(CC)C=C1
Synonyms:
  • 4-Ethylphenylsulfonic acid
  • p-Ethylbenzenesulfonic acid
  • Benzenesulfonic acid, p-ethyl-
  • Benzenesulfonic acid, 4-ethyl-
  • 4-Ethylbenzenesulfonic acid
  • 4-ethyl-benzenesulfonicaci
  • phenylethane-p-sulfonate
  • 4-ETHYLBENZENESULFONIC ACID, TECH., 95%
  • p-ethylbenzenesulphonic acid
  • 4-ETHYLBENZENESULFONIC ACID TECH 95%
  • p-ethyl-benzenesulfonicaci
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