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CAS 6192-52-5

:

p-Toluenesulfonic acid monohydrate

Description:
p-Toluenesulfonic acid monohydrate, with the CAS number 6192-52-5, is an organic sulfonic acid that serves as a strong acid catalyst in various chemical reactions, particularly in organic synthesis. It is a white to off-white crystalline solid that is hygroscopic, meaning it can absorb moisture from the environment, which is reflected in its monohydrate form. The compound is soluble in water and polar organic solvents, making it versatile for use in different reaction media. p-Toluenesulfonic acid is known for its ability to protonate substrates, facilitating reactions such as esterification and alkylation. It is also used in the preparation of various polymers and as a reagent in the synthesis of pharmaceuticals. Safety considerations include its corrosive nature, which necessitates the use of appropriate personal protective equipment when handling. Overall, p-toluenesulfonic acid monohydrate is a valuable reagent in both laboratory and industrial settings due to its strong acidity and reactivity.
Formula:C7H8O3S·H2O
InChI:InChI=1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2
InChI key:InChIKey=KJIFKLIQANRMOU-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC=C(C)C=C1.O
Synonyms:
  • 4-Methylbenzenesulfonic acid monohydrate
  • 4-Toluenesulfonic acid monohydrate
  • Benzenesulfonic acid, 4-methyl-, hydrate (1:1)
  • Benzenesulfonic acid, 4-methyl-, monohydrate
  • Para Toluene Sulfonic Acid Monohydrate
  • Tosic acid monohydrate
  • ara Toluene Sulphonic Acid (Monohydrade)
  • p-Toluenesulfonic acid, monohydrate
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