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Dimethyl chloroterephthalate

Also known as: 1,4-Benzenedicarboxylic acid, 2-chloro-, 1,4-dimethyl ester, 2-Chloro-1,4-benzenedicarboxylic acid dimethyl ester, 2-chloro-3,5-dimethylterephthalate, Chloroterephthalicaciddimethylester, DIMETHYL CHLOROTEREPHTHALATE, Dimethyl 2-Chlorobenzene-1,4-dioate, Dimethyl 2-chloroterephthalate, Einecs 242-475-9, dimethyl 2-chlorobenzene-1,4-dicarboxylate

Dimethyl chloroterephthalate (CAS 18643-84-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9ClO4 and a molecular weight of 228.62900 g/mol. Key properties include a melting point of 58-60ºC, a boiling point of 318.6ºC at 760mmHg, a density of 1.29g/cm3 and a flash point of 134.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18643-84-0
Jingsj CID
J-4889-5
Molecular Formula
C10H9ClO4
Molecular Weight
228.62900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point58-60ºC
Boiling Point318.6ºC at 760mmHg
Density1.29g/cm3
Flash Point134.2ºC
Exact Mass228.01900
PSA52.60000
LogP1.91320
Vapor Pressure0.000357mmHg at 25°C
Refractive Index1.529

Customs & Trade Information

HS Code2917399090
Summary2917399090 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 Dimethyl chloroterephthalate?

The CAS number of Dimethyl chloroterephthalate is 18643-84-0.

What are the molecular formula and molecular weight of Dimethyl chloroterephthalate?

Dimethyl chloroterephthalate has molecular formula C10H9ClO4 and molecular weight 228.62900 g/mol.

What are the upstream and downstream products of Dimethyl chloroterephthalate?

For Dimethyl chloroterephthalate, Upstream Products: Methanol, 2-chloroterephthalic acid, 2-Chloro-1,4-dimethylbenzene; Downstream Products: 2-Chloro-4-(methoxycarbonyl)benzoic acid, 3-Chloro-4-(methoxycarbonyl)benzoic acid.

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

Last updated:

How to cite: Jingsj. "Dimethyl chloroterephthalate (CAS 18643-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4889-5 (accessed 2026-11-09).

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