Home › Products › B02 (PMDA)
Nexam Chemical · Fonksiyonel kimyasal

B02 (PMDA): pyromellitic dianhydride, CAS 89-32-7

A functional dianhydride for high-performance materials

B02 is a specialty chemical intermediate listed as PMDA (pyromellitic dianhydride) in Nexam Chemical’s functional chemicals portfolio. Its CAS number is 89-32-7.

Nexam Chemical positions its functional chemicals as chemicals and intermediates used in high-performance materials, polymer systems and specialty chemical applications.

Product identity

Chemical namePyromellitic dianhydride (PMDA)
CAS89-32-7
ManufacturerNexam Chemical AB
DistributorNEXChem Türkiye

Key benefits

  • Defined chemical identity: pyromellitic dianhydride (PMDA).
  • Clear match to technical procurement and sourcing searches via CAS 89-32-7.
  • Positioned as a functional intermediate for high-performance materials, polymer systems and specialty chemical applications.
  • Part of Nexam Chemical’s functional chemicals portfolio.

Typical applications

  • High-performance material systems
  • Intermediate work for polymer and polyimide chemistry
  • Specialty chemical synthesis and formulation requirements

Technical assessment note

The public Nexam page does not give purity, packaging, dosage, food-contact or rPET application for B02. Do not add these details without a current specification/TDS, SDS and manufacturer approval. Do not use the incorrect CAS numbers found in some secondary sources; Nexam’s current functional chemicals page gives 89-32-7.

Frequently asked questions

What is the chemical name of B02?
Pyromellitic dianhydride (PMDA).
What is the CAS number?
89-32-7, according to Nexam Chemical’s current product page.
Is B02 an rPET additive?
The public manufacturer page lists B02 as a functional chemical/intermediate; the available evidence does not support an rPET chain-extender claim.
Where can I find purity and packaging information?
This must be confirmed by the manufacturer/distributor as part of the current product specification, SDS and commercial offer.

The technical statements on this page are based on the manufacturer’s current public product information. Dosage, temperature and performance targets are defined per line through technical trial.

Sources: Nexam — functional chemicals

Request a technical assessment

Share your technical sourcing requirement. Tell us your target application, required specification, annual volume and delivery expectation, and we will prepare the right technical and commercial document set.

Start a technical call →