C.I. Sulphur Brown 2 (8CI) Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
The 4-Methylbenzene-1,3-diamine (2 Moore) and Oxalic acid (1 Moore) in 200 ℃ reaction, the condensation product with Sodium polysulfide in 220 ~ 300 ℃ calcination, until the happening of htdrogen sulfide to stop. Similar dye by (N-3-amino-4- methyl-phenyl) oxamate?and where did the 4-Methylbenzene-1,3-diamine etc molecular mixture, or with Phthalic acid, Succinic acid?or Mercaptoacetic acid?and Oxalic acid?instead of vulcanization.
Properties and Applications
dark yellow brown. In the Sodium sulfide solution good solubility.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Fulling
Persperation Fastness
Soaping
Moderate
Severe
ISO
4
3-4
3
4-5
3-4
AATCC
4
4
C.I. Sulphur Brown 2 (8CI) Upstream-Materialien And Downstream Produkte
