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CAS 778-28-9

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Butyl p-toluenesulfonate

Description:
Butyl p-toluenesulfonate, with the CAS number 778-28-9, is an organic compound that belongs to the class of sulfonate esters. It is characterized by its butyl group attached to a p-toluenesulfonate moiety, which contributes to its properties as a versatile reagent in organic synthesis. This compound typically appears as a colorless to pale yellow liquid with a sweet, aromatic odor. It is soluble in organic solvents such as ethanol and ether but has limited solubility in water. Butyl p-toluenesulfonate is often used as a protecting group for alcohols and phenols in synthetic chemistry, facilitating various reactions by preventing unwanted side reactions. Additionally, it can serve as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Safety precautions should be observed when handling this compound, as it may cause irritation to the skin and eyes, and proper storage conditions should be maintained to ensure stability.
Formula:C11H16O3S
InChI:InChI=1S/C11H16O3S/c1-3-4-9-14-15(12,13)11-7-5-10(2)6-8-11/h5-8H,3-4,9H2,1-2H3
InChI key:InChIKey=QYJXDIUNDMRLAO-UHFFFAOYSA-N
SMILES:S(OCCCC)(=O)(=O)C1=CC=C(C)C=C1
Synonyms:
  • P-TOLUENESULFONIC ACID N-BUTYL ESTER
  • Benzenesulfonic acid, 4-methyl-, butyl ester
  • Butyl 4-toluenesulfonate
  • p-Toluenesulfonic acid, butyl ester
  • Butyl p-methylbenzenesulfonate
  • Butyl p-toluenesulfonate
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