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CAS 4124-42-9

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Ammonium p-toluenesulfonate

Description:
Ammonium p-toluenesulfonate, with the CAS number 4124-42-9, is an organic compound that serves as a versatile reagent in various chemical reactions. It is the ammonium salt of p-toluenesulfonic acid, characterized by its white crystalline appearance and high solubility in water. This compound is commonly used as a catalyst in organic synthesis, particularly in the preparation of esters and ethers, due to its ability to protonate substrates and facilitate nucleophilic attacks. Additionally, it exhibits hygroscopic properties, meaning it can absorb moisture from the environment. Ammonium p-toluenesulfonate is also utilized in the pharmaceutical industry and in the formulation of certain types of surfactants. Safety considerations include handling it with care, as it may cause irritation to the skin and eyes. Overall, its unique properties make it a valuable tool in both laboratory and industrial applications.
Formula:C7H8O3S·H3N
InChI:InChI=1S/C7H8O3S.H3N/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H3
InChI key:InChIKey=GDCXBZMWKSBSJG-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC=C(C)C=C1.N
Synonyms:
  • p-Toluenesulfonic acid, ammonium salt
  • Benzenesulfonic acid, 4-methyl-, ammonium salt
  • Ammonium p-methylbenzenesulfonate
  • Benzenesulfonic acid, 4-methyl-, ammonium salt (1:1)
  • Ammonium p-toluenesulfonate
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