Functional Materials

Kawasaki Kasei Chemicals Ltd. has succeeded in mass-production test of 1,4-dihydroxynaphthalene (1,4-naphthalenediol, NHQ).

Commercial supply will be started according to the establishment of industrial scale suppliability.

Characteristics of Kawasaki Kasei Chemicals Ltd. Functional Materials.

Comparison with other products

List of products

Recommended for...

For heat-resistant resins

Introduction of naphthalene structure is expected to enhance the heat resistance of resins.

For resins with high refractive indices

Acrylate and methacrylate resins containing naphthalene structure have been found to have high refractive indices. Further study on the composition may lead to still higher refractive indices.

The outline of 1,4-dihydroxynaphthalene

Product name 1,4-dihydroxynaphthalene
1,4-naphthalenediol, naphthohydroquinone
Molecular formula C10H8O2
Molecular weight 160.2
CAS NO. 571-60-8
Legal Status Registered in the US, Canada, EU, Taiwan and Japan
Application Raw material for various resins, heat-resistant resins, pharmaceuticals and agrochemicals.

General properties

Milky white to white
Melting point
99% or higher
soluble in ethanol and ether, almost insoluble in chloroform and acetic acid


1,4-dihydroxynaphthalene (NHQ) can be applied as a starting material for various functional substances.


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