Click image to view full size image
Product Name：Naphthol AS-PH
Alias:3-Hydroxy-2-naphtho-o-phenetide
C.I. 37558
CAS: 92-74-0
Chemical Formula：C19H17NO3
Appearance: Light beige brown powder
Color shade(with standard):similar
Strength:100±3%
Purity:≥98%
Melting point:≥155℃
Insoluble in Alkali:≤0.4%
BON acid content:≤0.4%
Residue on 60M sieve:≤5%
Use: This product is mainly used as organic pigment intermediate. It can produce pigment red 170,pigment orange 22. This product can also be used for dyeing cotton yarn, cotton fabric, vinylon, cotton fibers, viscose and silk and it is generally not used for printing. This product has low affinity to cotton and moderate coupling ability.
Founded in April 2015, we have a registered capital of 50 million yuan RMB(7.15 million USD) and covers an area of more than 8,600 square meter.We were formally put into production in March 2017. At present, the annual production capacity of Naphthol AS series products is more than 8,000 metric tons, and more than 20,000 metric tons for Textile Auxiliary.We are one of the largest professional manufacturers of Naphthol AS series and Textile Auxiliary in China.
http://www.naphtholas.com/