4-Chlorobenzoic acid

对氯苯甲酸

Also known as: p-Chlorobenzoic acid, PCBA, 4-Cl-PhCOOH, p-Carboxychlorobenzene, Chlorodracylic acid, Benzoic acid, 4-chloro-, Benzoic acid, p-chloro-, Acemetacin Impurity 1, Indometacin EP Impurity A, Indomethacin EP Impurity A, Indomethacin USP RC B, Mycosid, UNII-IC7888DF4L, para-Chlorobenzoic acid, 4-CHLORO BENZOIC ACID, 4-Chlorobenzoicacid, MFCD00002531, RARECHEM AL BO 0054, EINECS 200-805-9

CAS No.
74-11-3
Jingsj CID
J-1354537-8
Molecular Formula
C7H5ClO2
Chinese Name
对氯苯甲酸
Molecular Weight
156.566 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point238-241 °C(lit.)
Boiling Point287.2±13.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point127.5±19.8 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Chlorobenzoic acid?

74-11-3

What are the molecular formula and molecular weight of 4-Chlorobenzoic acid?

C7H5ClO2, molecular weight 156.566 g/mol

Is 4-Chlorobenzoic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026