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Pentachlorobenzoic acid

Also known as: Benzoic acid, 2,3,4,5,6-pentachloro-, Benzoic acid, pentachloro-, Perchlorobenzoic acid, NSC 155867, Pentachlor-benzoesaeure, Perchlorbenzoesaeure, 2,3,4,5,6-pentakis(chloranyl)benzoic acid

Pentachlorobenzoic acid (CAS 1012-84-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7HCl5O2 and a molecular weight of 294.34700 g/mol. Key properties include a boiling point of 379.1ºC at 760mmHg, a density of 1.82g/cm3 and a flash point of 183ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1012-84-6
Jingsj CID
J-1504336-4
Molecular Formula
C7HCl5O2
Molecular Weight
294.34700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point379.1ºC at 760mmHg
Density1.82g/cm3
Flash Point183ºC
Exact Mass291.84200
PSA37.30000
LogP4.65180
Vapor Pressure2.02E-06mmHg at 25°C
Refractive Index1.631

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Pentachlorobenzoic acid?

The CAS number of Pentachlorobenzoic acid is 1012-84-6.

What are the molecular formula and molecular weight of Pentachlorobenzoic acid?

Pentachlorobenzoic acid has molecular formula C7HCl5O2 and molecular weight 294.34700 g/mol.

What are the upstream and downstream products of Pentachlorobenzoic acid?

For Pentachlorobenzoic acid, Upstream Products: Carbon dioxide, Hexachlorobenzene, octachlorostyrene; Downstream Products: 3,4,5-Trichlorobenzoic acid, Pentachlorobenzoyl chloride.

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

Last updated:

How to cite: Jingsj. "Pentachlorobenzoic acid (CAS 1012-84-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504336-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.