4-(4-Aminobenzylideneamino)phenol?and Sodium sulfide and sulfur first in 100 ~ 120 ℃, and then in 180 ~ 200 ℃ calcination. Also can use the corresponding nitro compounds (GP 135335).
Properties and Applications
yellow. In the sodium sulfide solution for dark yellow.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Fulling
Persperation Fastness
Soaping
Moderate
Severe
ISO
3-4
3-4
3
3
3-4
C.I. Sulphur Yellow 8 (8CI) Upstream-Materialien And Downstream Produkte