CAS 121-91-5

Purified isophthalic acid

Comonomer for PET bottle resin and raw material for unsaturated polyester resins

Overview

Purified isophthalic acid is part of SAC’s Chemical Intermediates range, in Anhydrides & Acids. It is supplied as a Powder.

Comonomer for PET bottle resin and raw material for unsaturated polyester resins

Chemical Intermediates · Anhydrides & Acids

Technical information

CAS number121-91-5
EC number204-506-4
Molecular formula C 8 H 6 O 4
Molecular weight166.13 g/mol
HS heading2917
Physical formPowder

Applications and documentation

Used in

  • Packaging & Film
  • Chemical Intermediates
  • Paints & Coatings

Industries

Synonyms

  • PIA
  • ISOPHTHALIC ACID
  • Benzene-1,3-dicarboxylic acid
  • 1,3-Benzenedicarboxylic acid
  • m-Phthalic acid
  • m-Benzenedicarboxylic acid
  • Acide isophtalique
  • Kyselina isoftalova
  • benzene-1,3-dicarboxylate;hydron
  • Isophthalate
  • m-Dicarboxybenzene
  • Acide isophtalique [French]

SDS and TDS are available on request.

Common questions

What applications is this product used for?

Comonomer for PET bottle resin and raw material for unsaturated polyester resins

Which grades or packaging options can SAC source?

Grade and packaging are confirmed on quotation for your application. Share your process and targets and we will advise what can be sourced.

Can I request an SDS or TDS?

Yes. SDS and TDS are available on request — use Request a Quote or Contact SAC with the product name.

How do I request a sample or quotation?

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