1,4,5,8-Naphthalenetetracarboxylic dianhydride

1,4,5,8-Naphthalenetetracarboxylic dianhydride (NTP-dianhydride or 1,4,5,8-NTPCA) is a white crystalline solid that has a melting point of 24-25°C, and is highly soluble in organic solvents such as methanol, ethanol, and acetone. It also has a slight odor and can be used as a catalyst in polymerization reactions.


Chemical Name:

1,4,5,8-Naphthalenetetracarboxylic dianhydride



Molecular Fomula:


Formula Weight:


Chemical Uses


1,4,5,8-Naphthalenetetracarboxylic dianhydride (NTCDA) is an important industrial chemical used as an intermediate in the production of high performance polyimides, a type of polymer. NTCDA is highly versatile and can synthesize a wide range of polyimides and other polymers with superior heat, chemical, and electrical resistance.


1,4,5,8-Naphthalenetetracarboxylic dianhydride is primarily used as a precursor in the production of polyimides, a type of thermoplastic polymer used in a wide range of industrial and consumer applications. Polyimides are used in producing semiconductor chips, flat panel displays, and other products. 

In addition to its use as a polyimide precursor, 1,4,5,8-Naphthalenetetracarboxylic dianhydride produces lubricants, adhesives, and sealants. It is also used as a curing agent for epoxy resins, as a reactant in synthesizing pharmaceuticals, and as an intermediate in producing other organic compounds.

Chemical Properties

Chemical name:

1,4,5,8-Naphthalenetetracarboxylic dianhydride

Cas No:


Molecular Formula:


Formula Weight:

268.18 g/mol



Melting point

>300 °C (lit.)

Boiling point

371.34°C (rough estimate)


1.5122 (rough estimate)

Refractive index

1.5230 (estimate)

Send Inquiry

If you have any questions or inquiries, Please fill out the form below, and we will reply in one working day.

Tags: ISOCHROMENO[6,5,4-DEF]ISOCHROMENE-1,3,6,8-TETRAONE; ntcda; NTDA; Naphthalenetetracarboxylic dianhydride; 1,4,5,8-Naphthalenetetracarboxylic; NAPHTHALENE-1,4,5,8-TETRACARBOXYLIC DIANHYDRIDE; 1,4,5,8-Naphthalenetetracarboxylic acid dianhydride; 1,4,5,8-Naphthalenetetracarboxylic 1,8:4,5-dianhydride; S1099; nsc84241; naphthalene-1 4 5 8-tetracarboxylic dianhydride; 1 4 5 8-naphthalenetetracarboxylic dianhydride; tetracarboxylic dianhydride; 1 4-dihydronaphthalene

Scroll to Top

Request A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@anbuchem.com”



Any inquiry click to chat on WhatsApp or send us an email to: sales@anbuchem.com

× Can I help you?