Insoluble alkaline content
light brown powder
436.2 ℃ at 760 mmHg
> 99 %
< 0.013 %
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.