Naphthol Series 

Naphthol ASPH

MSDS

COA

Apperance
CAS No.
Synonyms
Density
Melting Point
Boiling Point
Flash point
Purity
Insoluble alkaline content
Strength
Applications
light brown powder
92-74-0
3-Hydroxy-2-naphthoyl-ortho-phenetidide

3

1.27 g/cm
157 ℃
436.2 ℃ at 760 mmHg
217.6 ℃
> 99 %
< 0.013 %
100 %
1. Mainly used for dyeing of cotton.
2. Used together with Fast red KB base, RL base, or KL to make yellow-tone red pigments.
3.  Make compound with Naphthol ASD, then make red pigment with fast red KD base and this compound.
Chemical structure

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