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2-Chlorobenzoic acid, 98.0+%
CAS Number: 118-91-2
Molecular Formula: C7H5ClO2
Molecular Weight: 156.57
IUPAC Name: 2-Chlorobenzoic acid
Other Names: o-Chlorobenzoic acid, ortho-chlorobenzoic acid
CAS Number:
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2-Chlorobenzoic acid is an organic compound with the formula ClC6H4CO2H. It is one of three isomeric chlorobenzoic acids, the one that is the strongest acid. This white solid is used as a precursor to a variety of drugs, food additives, and dyes.
It is prepared by the oxidation of 2-chlorotoluene. The laboratory scale reaction employs potassium permanganate. Alternatively it arises by the hydrolysis of α,α,α-trichloro-2-toluene.
The chloride is readily replaced by ammonia to 2-aminobenzoic acid. At elevated temperature is decarboxylates.
