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411698

Sigma-Aldrich

Diphenyl isophthalate

99%

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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.)

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

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Certificates of Analysis (COA)

Lot/Batch Number
08916HF

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Photosensitive poly (benzoxazole) based on precursor from diphenyl isophthalate and bis (o-aminophenol).
Ebara K, et al.
Polymer, 44(2), 333-339 (2003)
Catalysts for the preparation of polybenzimidazoles.
Choe E-W.
Journal of Applied Polymer Science, 53(5), 497-506 (1994)
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)
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

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