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Isophthalic acid, 99%

Catalog No. AAA144450B
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Catalog No. AAA144450B Supplier Thermo Scientific Chemicals Supplier No. A144450B
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Description

CAS: 121-91-5 | C8H6O4 | 166.132 g/mol

Isophthalic acid is used as an intermediate for high performance unsaturated polyesters, resins for coatings, high solids paints, gel coats and modifier of polyethylene terephthalate for bottles. It acts as precursors for the fire-resistant material nomex as well as used in the preparation of high-performance polymer polybenzimidazole. It is also employed as an input for the production of insulation materials.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Isophthalic acid is used as an intermediate for high performance unsaturated polyesters, resins for coatings, high solids paints, gel coats and modifier of polyethylene terephthalate for bottles. It acts as precursors for the fire-resistant material nomex as well as used in the preparation of high-performance polymer polybenzimidazole. It is also employed as an input for the production of insulation materials.

Solubility
Insoluble in water.

Notes
Incompatible with strong oxidizing agents and strong bases.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 121-91-5
Molecular Formula C8H6O4
Molecular Weight (g/mol) 166.132
MDL Number MFCD00002516
InChI Key QQVIHTHCMHWDBS-UHFFFAOYSA-N
Synonym isophthalic acid, 1,3-benzenedicarboxylic acid, m-phthalic acid, m-benzenedicarboxylic acid, acide isophtalique, kyselina isoftalova, iso-phthalic acid, acide isophtalique french, kyselina isoftalova czech, unii-x35216h9fj
PubChem CID 8496
ChEBI CHEBI:30802
IUPAC Name benzene-1,3-dicarboxylic acid
SMILES C1=CC(=CC(=C1)C(=O)O)C(=O)O

Specifications

Melting Point 344°C to 348°C (sublimation)
Density 1.54
Quantity 1000 g
Beilstein 1909332
Merck Index 14,5197
Solubility Information Insoluble in water.
Formula Weight 166.13
Percent Purity 99%
Chemical Name or Material Isophthalic acid

Safety and Handling

EINECSNumber 204-506-4
RTECSNumber NT2007000
TSCA Yes
Recommended Storage Ambient temperatures
SDS

RUO – Research Use Only

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