Direct Brown 73

CAS-Nr.

Englisch Name:: Direct Brown 73

Synonyma:: Direct Brown 73;C.I.Direct Brown 73:C.I.35535

CBNumber:: CB49702969

Summenformel:

Molgewicht:: 0

MOL-Datei:: Mol file

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Eigenschaften Sicherheit Verwendungswort

Direct Brown 73 Eigenschaften

Sicherheit

Direct Brown 73 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, product to diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, its product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

red light brown. Soluble in water for brown. The strong sulfuric acid for purple brown, for yellow brown solution diluted, accompanied by precipitation. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution for brown.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4-5	3	3	4-5		4

Direct Brown 73 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Salicylsäure 6-Amino-4-hydroxynaphthalin-2-sulfonsure Benzidin Natriumhydrogen-4-amino-5-hydroxynaphthalin-2,7-disulfonat m-Phenylendiamin

Downstream Produkte

Direct Brown 73 Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 0)Lieferanten

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate

Direct Brown 73
C.I.Direct Brown 73:C.I.35535