Molekula

Pyromellitic acid (1,2,4,5-Benzenetetracarboxylic acid)

SKU 29645830 CAS 89-05-4 C6H2(CO2H)4 MW 254.15 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Pyromellitic acid (1,2,4,5-Benzenetetracarboxylic acid, CAS 89-05-4) is a white crystalline solid used as a key precursor in the synthesis of polyimides, polyesters, and high-performance polymers for electronics, aerospace, and specialty coatings. It features four carboxylic acid groups on a benzene ring, enabling strong cross-linking properties. Pure pyromellitic acid has a molecular formula of C6H2(CO2H)4 and a molecular weight of 254.15 g/mol. Store at ambient conditions; the substance carries a signal word of "Warning" per GHS classification. Molekula supplies pyromellitic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

Contact sales

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Overview

SKU: 29645830
CAS Number: 89-05-4
Molecular Formula: C6H2(CO2H)4
Molecular Weight: 254.15

Frequently asked questions

What is pyromellitic acid commonly used for?

Pyromellitic acid is primarily used in the production of polyimides, polyesters, and other high-performance polymers for electronics, aerospace, and automotive applications.

What is the chemical formula and molecular weight of pyromellitic acid?

The chemical formula is **C₆H₂(CO₂H)₄** and the molecular weight is **254.15 g/mol**.

How should pyromellitic acid be stored?

Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.

What grades or purities of pyromellitic acid does Molekula supply?

Molekula supplies **technical-grade pyromellitic acid** with high purity for industrial applications.

Can Molekula supply pyromellitic acid in bulk quantities?

Yes, we offer **bulk packaging options** for large-scale industrial orders—please contact us for specific quantities.

What documentation comes with an order of pyromellitic acid?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.