Dimethyl 5-methylisophthalate

5-甲基间苯二甲酸二甲酯

Also known as: 1,3-Benzenedicarboxylic acid, 5-methyl-, 1,3-dimethyl ester, 1,3-Benzenedicarboxylic acid, 5-methyl-, dimethyl ester, 3-(Methoxycarbonyl)-5-Methylbenzoic Acid, 5-METHYLBENZENE-1,3-DICARBOXYLIC ACID METHYL ESTER, 5-METHYLISOPTHALIC ACID DIMETHYLESTER, 5-Methyl-1,3-benzenedicarboxylic acid dimethyl ester, 5-Methylbenzene-1,3-dicarboxylic acid methyl ester, 5-Methylisopathalic acid dimethylester, 5-Methylisophthalsaeure-dimethylester, DiMethyl 5-Methylisophthalate, diMethyl 5-Methylbenzene-1,3-dicarboxylate

Dimethyl 5-methylisophthalate (CAS 17649-58-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12O4 and a molecular weight of 208.211 g/mol. It is also known as 1,3-Benzenedicarboxylic acid, 5-methyl-, 1,3-dimethyl ester, 1,3-Benzenedicarboxylic acid, 5-methyl-, dimethyl ester and 3-(Methoxycarbonyl)-5-Methylbenzoic Acid. Key properties include a boiling point of 301.2±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 147.4±20.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17649-58-0
Jingsj CID
J-1358803-8
Molecular Formula
C11H12O4
Chinese Name
5-甲基间苯二甲酸二甲酯
Molecular Weight
208.211 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point301.2±22.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point147.4±20.7 °C

Frequently Asked Questions

What is the CAS number of Dimethyl 5-methylisophthalate?

The CAS number of Dimethyl 5-methylisophthalate is 17649-58-0.

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

Dimethyl 5-methylisophthalate has molecular formula C11H12O4 and molecular weight 208.211 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-methylisophthalate (CAS 17649-58-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1358803-8 (accessed 2026-10-22).

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