Dimethyl 5-chloroisophthalate

5-氯间苯二甲酸二甲酯

Also known as: 1,3-Benzenedicarboxylic acid, 5-chloro-, dimethyl ester, 1,3-Benzenedicarboxylicacid, 5-chloro-, 1,3-dimethyl ester, 5-Chloro-1,3-benzenedicarboxylic acid 1,3-dimethyl ester, 5-chloro-isophthalic acid dimethyl ester, dimethyl 5-chlorobenzene-1,3-dicarboxylate, methyl 5-chloro-1,3-dibenzoate, NSC 13963, MFCD00079752

Dimethyl 5-chloroisophthalate (CAS 20330-90-9) 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 228.629 g/mol. It is also known as 1,3-Benzenedicarboxylic acid, 5-chloro-, dimethyl ester, 1,3-Benzenedicarboxylicacid, 5-chloro-, 1,3-dimethyl ester and 5-Chloro-1,3-benzenedicarboxylic acid 1,3-dimethyl ester. Key properties include a melting point of 78ºC, a boiling point of 316.0±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 132.8±21.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20330-90-9
Jingsj CID
J-1412978-2
Molecular Formula
C10H9ClO4
Chinese Name
5-氯间苯二甲酸二甲酯
Molecular Weight
228.629 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point78ºC
Boiling Point316.0±22.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point132.8±21.3 °C

Frequently Asked Questions

What is the CAS number of Dimethyl 5-chloroisophthalate?

The CAS number of Dimethyl 5-chloroisophthalate is 20330-90-9.

What are the molecular formula and molecular weight of Dimethyl 5-chloroisophthalate?

Dimethyl 5-chloroisophthalate has molecular formula C10H9ClO4 and molecular weight 228.629 g/mol.

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

Last updated:

How to cite: Jingsj. "Dimethyl 5-chloroisophthalate (CAS 20330-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412978-2 (accessed 2026-10-22).

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