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Merck
CN

I19209

Isophthalic acid

99%

Synonym(s):

Benzene-1,3-dicarboxylic acid

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About This Item

Linear Formula:
C6H4-1,3-(CO2H)2
CAS Number:
Molecular Weight:
166.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-506-4
Beilstein/REAXYS Number:
1909332
MDL number:
Assay:
99%
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Product Name

Isophthalic acid, 99%

InChI key

QQVIHTHCMHWDBS-UHFFFAOYSA-N

InChI

1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)

SMILES string

OC(=O)c1cccc(c1)C(O)=O

assay

99%

autoignition temp.

1198 °F

mp

341-343 °C (lit.)

Quality Level

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Application

Isophthalic acid can be used as a reactant to prepare:
  • Poly(m-phenyleneisophthalamide) by polycondensation with m-phenylenediamine via thermal solid-phase polymerization reaction.

It can also be used as a ligand to synthesize:
  • Metal coordination polymers by hydrothermal and sonochemical process.
  • Isophthalic acid-zirconium(IV) nanocomposite, which is used as a precursor to prepare crystalline tetragonal ZrO2 via thermal decomposition method.

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Andrey S Klymchenko et al.
Nanoscale, 2(9), 1773-1780 (2010-09-08)
Self-assembly of organic molecules at solid-liquid interfaces is a route for developing novel functional materials on surfaces and modeling assembly phenomena in 3D. 5-Alkoxylated isophthalic acids (ISA) are known to self-assemble into two-dimensional (2D) lamellae at the interface between a
Yuki Fukuhara et al.
Applied and environmental microbiology, 76(2), 519-527 (2009-11-26)
The isophthalate (IPA) degradation gene cluster (iphACBDR) responsible for the conversion of IPA into protocatechuate (PCA) was isolated from Comamonas sp. strain E6, which utilizes phthalate isomers as sole carbon and energy sources via the PCA 4,5-cleavage pathway. Based on
Isabela M Aparicio et al.
Molecular and biochemical parasitology, 172(2), 152-155 (2010-04-20)
With the rapid spread of drug-resistant strains of Plasmodium falciparum, the development of new antimalarials is an urgent need. As malaria parasites live in a highly pro-oxidant environment, their anti-oxidant defences have frequently been suggested as candidate drug targets. A
Synthesis of poly (m-phenyleneisophthalamide) by solid-state polycondensation of isophthalic acid with m-phenylenediamine
Zhang C, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 49(22), 4725-4728 (2011)
Steven De Feyter et al.
Chimia, 66(1-2), 38-43 (2012-05-02)
The liquid/solid interface provides an interesting medium for molecular self-assembly and scanning tunneling microscopy is the preferred technique to analyse the structural features of the surface-supported self-assembled monolayers in this medium. An interesting aspect is the phenomenon of molecular dynamics

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