4-chloromercuribenzoic acid

对氯汞苯甲酸

Also known as: p-chloromercuribenzoic acid, PCMB, (4-carboxyphenyl)chloromercury, 4-(chloromercuri)benzoic acid, p-(chloromercuri)benzoic acid, p-Chlormercuribenzoic Acid, 4-Carboxy-phenylquecksilber(1+),Chlorid, 4-Chloromercurio-benzoesaeure

4-chloromercuribenzoic acid (CAS 59-85-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClHgO2 and a molecular weight of 357.15600 g/mol. It is also known as p-chloromercuribenzoic acid, PCMB and (4-carboxyphenyl)chloromercury. Key property: a melting point of 287 °C (dec.)(lit.). GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 59-85-8
Jingsj CID: J-42458-3
Molecular Formula: C₇H₅ClHgO₂
Chinese Name: 对氯汞苯甲酸
Molecular Weight: 357.15600 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	287 °C (dec.)(lit.)

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-chloromercuribenzoic acid?

The CAS number of 4-chloromercuribenzoic acid is 59-85-8.

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

4-chloromercuribenzoic acid has molecular formula C7H5ClHgO2 and molecular weight 357.15600 g/mol.

Is 4-chloromercuribenzoic acid hazardous?

4-chloromercuribenzoic acid has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-chloromercuribenzoic acid (CAS 59-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42458-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.