2,3,5,6-Tetrachloroterephthaloyl chloride

Also known as: 1,4-Benzenedicarbonyl dichloride, 2,3,5,6-tetrachloro-, 2,3,5,6-Tetrachloroterephthaloyl dichloride, 2,3,5,6-tetrachloro-1,4-benzenedicarbonyl dichloride, 2,3,5,6-tetrachloro-4-benzenedicarbonyldichloride, 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl chloride, 2,3,5,6-tetrachlorobenzene-1,4-dicarbonyl dichloride, 2,3,5,6-tetrachloroterephthalic dichloride, 2,3,5,6-tetra-chloro-terephthalolyl chloride, DSSTox_CID_7302, EINECS 211-947-6, MFCD00018801, Perchloroterephthaloyl chloride, Terephthaloyl chloride, tetrachloro-, Tetrachloroterephthalic dichloride, Tetrachloroterephthaloyl chloride, Tetrachloroterephthaloyl dichloride, perchloroterephthaloylchloride, tetrachloro-terephthaloyl chloride, tetrachloro-terephthaloylchlorid, tetrachloroterephthalicdichloride

2,3,5,6-Tetrachloroterephthaloyl chloride (CAS 719-32-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8Cl6O2 and a molecular weight of 340.802 g/mol. Key properties include a boiling point of 382.8±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 161.9±28.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 719-32-4
Jingsj CID: J-1359046-0
Molecular Formula: C₈Cl₆O₂
Molecular Weight: 340.802 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	382.8±42.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	161.9±28.5 °C
Exact Mass	337.802948
PSA	34.14000
LogP	3.76
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.615

Customs & Trade Information

HS Code	2917399090
Summary	2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,3,5,6-Tetrachloroterephthaloyl chloride?

The CAS number of 2,3,5,6-Tetrachloroterephthaloyl chloride is 719-32-4.

What are the molecular formula and molecular weight of 2,3,5,6-Tetrachloroterephthaloyl chloride?

2,3,5,6-Tetrachloroterephthaloyl chloride has molecular formula C8Cl6O2 and molecular weight 340.802 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,3,5,6-Tetrachloroterephthaloyl chloride (CAS 719-32-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359046-0 (accessed 2026-11-09).

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