Bis(2-ethylhexyl) isophthalate

间苯二甲酸二(2-乙基己基)酯

Also known as: 1,3-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester, Di-(2-ethylhexyl) isophthalate, Dioctyl isophthalate, Flexol plasticizer 380, bis(2-ethylhexyl) benzene-1,3-dicarboxylate, Di-2-ethylhexyl isophthalate, Isophthalic acid, bis(2-ethylhexyl) ester

Bis(2-ethylhexyl) isophthalate (CAS 137-89-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H38O4 and a molecular weight of 390.556 g/mol. It is also known as 1,3-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester, Di-(2-ethylhexyl) isophthalate and Dioctyl isophthalate. Key properties include a boiling point of 391.7±10.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 208.4±8.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
137-89-3
Jingsj CID
J-302-5
Molecular Formula
C24H38O4
Chinese Name
间苯二甲酸二(2-乙基己基)酯
Molecular Weight
390.556 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point391.7±10.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point208.4±8.5 °C

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Bis(2-ethylhexyl) isophthalate?

The CAS number of Bis(2-ethylhexyl) isophthalate is 137-89-3.

What are the molecular formula and molecular weight of Bis(2-ethylhexyl) isophthalate?

Bis(2-ethylhexyl) isophthalate has molecular formula C24H38O4 and molecular weight 390.556 g/mol.

Is Bis(2-ethylhexyl) isophthalate hazardous?

Bis(2-ethylhexyl) isophthalate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Bis(2-ethylhexyl) isophthalate (CAS 137-89-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-302-5 (accessed 2026-10-23).

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