Product name: Naphthol AS-PH
CAS NO.: 92-74-0
Place of Origin: China
Molecular Formula: C19H17NO3
EINECS number: 202-185-5
Appearance: Buff White Powder
Strength:100%
Purity: 99.0%min
Melting Point: 155℃min
Base Insoluble:0.15%max
Application: It is mainly used for manufacturing organic pigments.
Qingdao Langke Co., Ltd is one of the main supplier of pigment,dyestuff and their intermediates.
In the past 10 years, we have sold the products to more than 20 countries. Either acid dyes or direct dyes, or even pigment, they all gained good reputation.
To choose us as the partner, you will not be disapointed.