Chemical Compositions

1,4-bis(benziazolyl-2-yl-)naphth-alene

CAS NO.

5089-22-5 (63310-10-1)

Molecular Formula

C 24 H 14 N 2 O 2

Features

Yellow or yellow-green crystalline powder. Has a very strong whitening effect, was bright blue bright colors.

Technical index

Melting point 210-212 ℃ 
Content ≥ 99% 
Ash ≤ 0.1% The 
maximum absorption wavelength 370nm

Main application

Mainly used for whitening synthetic fibers and plastic products, colored plastic products have significantly increased the gorgeous effect. A large number of prodcuts are used in EVA products, is the first species of sports shoes fluorescent whitening agent.  has a significant effect on the whitening of paint, natural paint. Such as using KCB concentrated masterbatch, it is easier to achieve full dispersion coloring effect.

Recommended dosage

0.01-0.03%

Packing

10 kg cartons lined with plastic bag.

Storage

It is recommended to store in a dry and ventilated warehouse, avoid rain. Keep away from heat and heat and avoid exposure. No direct contact with acid and alkali or mixed. Shelf life is two years.