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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

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Photosensitive poly (benzoxazole) based on precursor from diphenyl isophthalate and bis (o-aminophenol).
Ebara K, et al.
Polymer, 44(2), 333-339 (2003)
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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