Isophthalic Acid

CAS:121-91-5
Code:PIA
Formula:C8H6O4

Isophthalic acid is an aromatic dicarboxylic acid used in PET, resins and coatings.

Available from Arpadis, a European chemical distributor supplying synthetic resin intermediates to manufacturers across Europe since 1999.

Technical Specifications

Molecular FormulaC8H6O4
Molecular Weight166.13
Melting Point345°C (sublimes)

Values shown are typical specification targets; request the latest Technical Data Sheet for certified ranges.

Availability & Supply

Arpadis distributes Isophthalic Acid across Europe with supply chain coverage from our offices in Belgium, France, Italy, the UK, and Portugal. Request a quote for pricing and lead times, or contact us for technical data sheets (TDS) and safety data sheets (SDS).

European distributionISO 9001:2015 certifiedResponsible Care

Applications

Polyester resins
unsaturated polyester resins
alkyd resins
composite materials

About Arpadis

Arpadis is a family-owned European chemical distribution company active since 1999. With ISO 9001:2015 certification and Responsible Care commitment, Arpadis supplies specialty chemicals — including synthetic resin intermediates — to coatings, adhesives, plastics, and foam manufacturers across Europe.