1. Product Information

Chemical Name 1,2,4,5-Benzenetetracarboxylic Acid
Product Code Pyromellitic Acid (PMA)
Molecular Formula C₁₀H₆O₈
CAS No. 89-05-4
EINECS No. 201-879-5
Molecular Weight 254.15 g/mol
Density 0.56 g/cm³

2. Description

Pyromellitic Acid (PMA) is the raw material of Pyromellitic Dianhydride (PMDA). It is also used as a key raw material in the production of Curing Agents / Matt Hardeners MB68 and MB55 for powder coatings.

3. Technical Data

Property Value
Appearance White or Light Yellow
Melting Point 281 – 284.5 ℃
Neutralization Equivalent 63 ± 0.5
Content ≥ 99%

4. Application

PMA is used in the production of:

5. Storage and Packaging

Storage: Keep in a dry and ventilated place, away from moisture, fire, and rain.

Packaging: Corrugated paper barrel, 25 kg/barrel. Inner packing is PE bag. For export, vacuum-bag packaging is used. Store in a cool, dry place, moisture-proof, and away from heat sources.

6. Disclaimer

This information and all further technical advice is based on our present knowledge and experience. However, it implies no liability or other legal responsibility on our part, including with regard to existing third-part intellectual property rights, especially patent rights. In particular, no warranty, whether express or implied, or guarantee of product properties in the legal sense is intended or implied. We reserve the right to make any changes according to technological progress or further developments.

The customer is not released from the obligation to conduct careful inspection and testing of incoming goods. Performance of the product described herein should be verified by testing, which should be carried out only by qualified experts in the sole responsibility of a customer. Reference to trade names used by other companies is neither a recommendation, nor does it imply that similar products could not be used.