Diisooctyl phthalate

邻苯二甲酸二异辛酯

Also known as: DIOP, 1,2-Benzenedicarboxylic acid, bis(6-methylheptyl) ester, Bis(6-methylheptyl) phthalate, Corflex 880, Flexol plasticizer diop, Hexaplas M/O, Isooctyl phthalate, alkylphthalates, bis(6-methylheptyl) benzene-1,2-dicarboxylate, isooctylphthalate, Morflex 100, Palatinol D10, Witcizer 313

Diisooctyl phthalate (CAS 27554-26-3) 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 DIOP, 1,2-Benzenedicarboxylic acid, bis(6-methylheptyl) ester and Bis(6-methylheptyl) phthalate. Key properties include a melting point of -43ºC, a boiling point of 384.9±10.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 204.5±8.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27554-26-3
Jingsj CID
J-38250-8
Molecular Formula
C24H38O4
Chinese Name
邻苯二甲酸二异辛酯
Molecular Weight
390.556 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-43ºC
Boiling Point384.9±10.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point204.5±8.5 °C

Frequently Asked Questions

What is the CAS number of Diisooctyl phthalate?

The CAS number of Diisooctyl phthalate is 27554-26-3.

What are the molecular formula and molecular weight of Diisooctyl phthalate?

Diisooctyl phthalate has molecular formula C24H38O4 and molecular weight 390.556 g/mol.

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

Last updated:

How to cite: Jingsj. "Diisooctyl phthalate (CAS 27554-26-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38250-8 (accessed 2026-10-24).

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