Diisononyl phthalate
邻苯二甲酸二异壬酯
Also known as: DINP, Di-iso-nonyl phthalate, 1,2-Benzenedicarboxylic acid, diisononyl ester, UNII:19ND350H65, Diisononyl phthalate (mixture of branched chain isomers), EINECS 249-079-5
Diisononyl phthalate (CAS 28553-12-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C26H42O4 and a molecular weight of 418.609 g/mol. It is also known as DINP, Di-iso-nonyl phthalate and 1,2-Benzenedicarboxylic acid, diisononyl ester. Key properties include a melting point of -48ºC, a boiling point of 463.3±18.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 214.9±19.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28553-12-0
- Jingsj CID
- J-1990214-6
- Molecular Formula
- C26H42O4
- Chinese Name
- 邻苯二甲酸二异壬酯
- Molecular Weight
- 418.609 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -48ºC |
|---|---|
| Boiling Point | 463.3±18.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 214.9±19.6 °C |
Frequently Asked Questions
What is the CAS number of Diisononyl phthalate?
The CAS number of Diisononyl phthalate is 28553-12-0.
What are the molecular formula and molecular weight of Diisononyl phthalate?
Diisononyl phthalate has molecular formula C26H42O4 and molecular weight 418.609 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diisononyl phthalate (CAS 28553-12-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990214-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.