Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

411698

Sigma-Aldrich

Diphenyl isophthalate

99%

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
C6H4-1,3-(CO2C6H5)2
CAS Number:
744-45-6
Molecular Weight:
318.32
EC Number:
212-014-6
MDL number:
MFCD00046051
UNSPSC Code:
12352100
PubChem Substance ID:
24865758
NACRES:
NA.22

Quality Level

100

Assay

99%

form

solid

mp

136-138 °C (lit.)

functional group

ester
phenoxy

SMILES string

O=C(Oc1ccccc1)c2cccc(c2)C(=O)Oc3ccccc3

InChI

1S/C20H14O4/c21-19(23-17-10-3-1-4-11-17)15-8-7-9-16(14-15)20(22)24-18-12-5-2-6-13-18/h1-14H

InChI key

FHESUNXRPBHDQM-UHFFFAOYSA-N

Application

Diphenyl isophthalate may be employed for the preparation of:
  • poly(benzoxazole) (PBO) precursor, poly(o-hydroxyamide)
  • 3[4″-hydroxybenzoyl)-4′-hydroxybenzophenone
  • poly(o-hydroxyamide), via polycondensation of 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane in 1-methyl-2-pyrrolidinone

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
08916HF

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

The action of aluminum chloride on the diphenyl ester of isophthalic, terephthalic and naphthalic acids.
Blicke FF and Patelski RA.
Journal of the American Chemical Society, 60(10), 2283-2285 (1938)
Catalysts for the preparation of polybenzimidazoles.
Choe E-W.
Journal of Applied Polymer Science, 53(5), 497-506 (1994)
New Convenient Synthetic Route for Photosensitive Poly (benzoxazole).
Ueda M, et al.
J. Photopolym. Sci. Technol., 16(2), 237-242 (2003)
Qianjun Liu et al.
Journal of separation science, 41(8), 1812-1820 (2018-01-14)
A quick, easy, cheap, effective, rugged, and safe procedure was designed to extract pesticide residues from fruits and vegetables with a high percentage of water. It has not been used extensively for the extraction of phthalate esters from sediments, soils
Photosensitive poly (benzoxazole) based on precursor from diphenyl isophthalate and bis (o-aminophenol).
Ebara K, et al.
Polymer, 44(2), 333-339 (2003)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service