Diphenyl isophthalate
间苯二甲酸二苯酯
Also known as: 1,3-Benzenedicarboxylic acid, diphenyl ester, Diphenyl 1,3-phthalate, Diphenyl isophtalate, Diphenylbenzol-1,3-dicarboxylat, Diphenylm-phthalate, Isophthalic acid, diphenyl ester, MFCD00046051, diphenyl benzene-1,3-dicarboxylate
Diphenyl isophthalate (CAS 744-45-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H14O4 and a molecular weight of 318.323 g/mol. It is also known as 1,3-Benzenedicarboxylic acid, diphenyl ester, Diphenyl 1,3-phthalate and Diphenyl isophtalate. Key properties include a melting point of 136-138 °C(lit.), a boiling point of 499.0±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 256.5±22.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 744-45-6
- Jingsj CID
- J-1411466-3
- Molecular Formula
- C20H14O4
- Chinese Name
- 间苯二甲酸二苯酯
- Molecular Weight
- 318.323 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 136-138 °C(lit.) |
|---|---|
| Boiling Point | 499.0±28.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 256.5±22.4 °C |
Frequently Asked Questions
What is the CAS number of Diphenyl isophthalate?
The CAS number of Diphenyl isophthalate is 744-45-6.
What are the molecular formula and molecular weight of Diphenyl isophthalate?
Diphenyl isophthalate has molecular formula C20H14O4 and molecular weight 318.323 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenyl isophthalate (CAS 744-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411466-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.