Technical indicators

Appearance: light yellow powder

• > 96%（T）

Melting Point:  248.0^oC~250.0^oC

Acid Value: 543-570 (mg KOH/g)

As an important organic intermediate, 2,3 - Naphthalenedicarboxylic

Anhydride is usually used in the synthesis of drugs, dyes, photopolymrs and other photosensitive materials.

25kg/drum or according to customer requirements.

This product should avoid contact with the oxides, acids, bases and air; Be away from moisture and ignition sources.