Category
Chemical Primary Standard
CAS Number
874-60-2
Molecular Formula
C8H7ClO
Molecular Weight
154.59 g/mol
Synonym

4-Methylbenzoyl Chloride; 4-Methylbenzenecarbonyl Chloride; 4-Methylbenzoic Acid Chloride; 4-Methylbenzoyl Chloride; 4-Toluoyl Chloride; p-Methylbenzoyl Chloride; p-Toluic Acid Chloride; p-Toluyl Chloride

Keywords
Miscellaneous compounds
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p-Toluoyl chloride (also called 4-methylbenzoyl chloride) is an aromatic acid chloride with the formula C₈H₇ClO. It is derived from p-toluic acid and contains a benzene ring with a methyl group in the para position and an acyl chloride (–COCl) group. It is commonly used as an intermediate in organic synthesis, especially for preparing esters, amides, and other aromatic compounds. Because it is moisture-sensitive and corrosive, it should be handled carefully.