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CAS 19040-62-1

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2,5-Dimethylbenzenesulfonyl chloride

Description:
2,5-Dimethylbenzenesulfonyl chloride, with the CAS number 19040-62-1, is an organic compound characterized by the presence of a sulfonyl chloride functional group attached to a dimethyl-substituted benzene ring. This compound typically appears as a colorless to pale yellow liquid or solid, depending on its purity and temperature. It is known for its reactivity, particularly in nucleophilic substitution reactions, where the sulfonyl chloride group can act as a good leaving group. The presence of the two methyl groups on the benzene ring influences its steric and electronic properties, making it a useful intermediate in organic synthesis, particularly in the preparation of sulfonamides and other sulfonyl derivatives. Additionally, 2,5-dimethylbenzenesulfonyl chloride is sensitive to moisture and should be handled with care, as it can release hydrochloric acid upon hydrolysis. Proper safety precautions, including the use of personal protective equipment, are essential when working with this compound due to its corrosive nature.
Formula:C8H9ClO2S
InChI:InChI=1S/C8H9ClO2S/c1-6-3-4-7(2)8(5-6)12(9,10)11/h3-5H,1-2H3
InChI key:InChIKey=FZVZUIBYLZZOEW-UHFFFAOYSA-N
SMILES:S(Cl)(=O)(=O)C1=C(C)C=CC(C)=C1
Synonyms:
  • Benzenesulfonyl chloride, 2,5-dimethyl-
  • 2,5-Xylenesulfonyl chloride
  • p-Xylene-2-sulfonyl chloride
  • 2,5-Dimethylbenzenesulfonyl chloride
  • 2,5-Dimethylbenzenesulfonyl chloride
  • 2,5-Dimethylphenylsulfonyl chloride
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