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CAS 88-42-6

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2,5-Dichlorobenzenesulfonic acid

Description:
2,5-Dichlorobenzenesulfonic acid is an aromatic sulfonic acid characterized by the presence of two chlorine atoms and a sulfonic acid group attached to a benzene ring. Its molecular structure features a benzene core with chlorine substituents at the 2 and 5 positions, and a sulfonic acid group (-SO3H) typically located at the 1-position. This compound is a white to light yellow crystalline solid that is soluble in water and polar organic solvents, making it useful in various chemical applications. It is often employed as a reagent in organic synthesis, particularly in the preparation of dyes, pharmaceuticals, and other specialty chemicals. The presence of the sulfonic acid group imparts acidic properties, allowing it to participate in acid-base reactions. Additionally, the chlorinated benzene structure contributes to its reactivity, enabling electrophilic substitution reactions. Safety precautions should be observed when handling this compound, as it may pose health risks if inhaled or ingested, and appropriate protective equipment should be used.
Formula:C6H4Cl2O3S
InChI:InChI=1S/C6H4Cl2O3S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3H,(H,9,10,11)
InChI key:InChIKey=LFXZSGVZSSMCMB-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=C(Cl)C=CC(Cl)=C1
Synonyms:
  • 2,5-Dichlorobenzene-1-sulfonic acid
  • 2,5-Dichlorobenzenesulfonic Acid
  • 2,5-Dichlorobenzensulfonic acid
  • Benzenesulfonic acid, 2,5-dichloro-
  • NSC 8755
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