Direct Red 257 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

4-Aminobenzenesulfonic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then into 2-(2-Hydroxyethylamino)ethanol(C.I. 29176) (the components of the dye content is 25%). 4-Amino-5-methoxy-2-methylbenzenesulfonic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then into2-(2-Hydroxyethylamino)ethanol(C.I. 29177) (the components of the dye content is 75%).

Properties and Applications

red. Mainly used for paper color

Direct Red 257 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

Direct Red 257 Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate

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• Direct Red 257
• C.I.Direct Red 257:C.I.291755