Isophthalic Acid

Product details

Isophthalic Acid is based on Meta-Xylene and belongs to the group of Carboxylcic Acids. It rises of the oxidation of m-Xylol. Isophthalic acid serve to produce aramids, polyesters, highly performance electroinsulating  enamel and alkyd resin without oil. Isophthalic acid is an aromatic dicarbolic acid and used in production of resins.

EINECS-No. 204-506-4
Chemical formula: C8H6O4

Synonym: Benzene-1,3-dicarboxylic acid | meta-Phthalic acid | m-Phthalic Acid
Uses/applications: Auxiliary, Production of synthetic resins and plastic intermediate products Co-Monomer, Synthetic resins, Alkyd- and Polyester resins, glues and for production of PET


Product CodeQualityPacking UnitSpec SheetInquiry
12100 99.9% 25 kg bags 99.9% - 25 kg bags Contact
12103 99.9% 500 kg big bags 99.9% - 500 kg big bags Contact
12102 99.9% 1000 kg big bags 99.9% - 1000 kg big bags Contact

MSDS according to GHS (1907/2006/EC, Article 31)


MSDS according 91/155 EEC (2001/58 EC)


More information

Information pertaining to particular dangers for man and environment:
No hazards to be particularly mentioned. Please note the information of this Material Safety Data Sheet.
According to current European laws and regulations the product is not dangerous or toxic material (based on the available data).

Hazard description: not applicable

Classification system for isophthalic Acid:
The classification was made according to the latest editions of the EU-lists, and expanded using company data and specialized literature.
Chemical characterization for isophthalic Acid 1,3-Benzenedicarboxylic Acid, m-Phthalic Acid:
CAS No. Description: 121-91-5 isophthalic acid

Identification number(s):
EINECS Number: 204-506-4
General Information
for isophthalic Acid 1,3-Benzenedicarboxylic Acid, m-Phthalic Acid:

Form: Solid, Crystalline
Colour: White
Odour: Nearly odourless

Change in condition
Melting point/Melting range: 345°C
Boiling point/Boiling range:
Flash point:
not applicable
Flammability (solid, gaseous) Product is not flammable.
Ignition temperature: 700°C
Danger of explosion: Product does not present an explosion hazard.
Vapour pressure at 250°C: 6.1 hPa
Density at 20°C:
0.84 g/cm³

Solubility in / Miscibility with


0.12 g/l
Land transport ADR/RID (cross-border) for isophthalic Acid:
No hazardous good according to the regulation.

Maritime transport IMDG:
IMDG Class: No hazardous good according to the regulation.

Air transport ICAO-TI and IATA-DGR:
ICAO/IATA Class: No hazardous good according to the regulation.
Markings according to EC guidelines for isophthalic Acid:
The substance(product)is not subject to classification according to
EC-directives and other sources of literature known to us.
Observe the general safety regulations when handling chemicals

National regulations

Water hazard class:
Water hazard class 2 (Self-assessment): hazardous for water.

Hazard description

GHS-hazard labels

Hazadous material sign