Direct Brown 186

CAS-Nr.

Englisch Name:: Direct Brown 186

Synonyma:: Direct Brown 186;C.I.Direct Brown 186:C.I.22775

CBNumber:: CB29702950

Summenformel:

Molgewicht:: 0

MOL-Datei:: Mol file

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Eigenschaften Sicherheit Verwendungswort

Direct Brown 186 Eigenschaften

Sicherheit

Direct Brown 186 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid?double nitriding, first coupled with 2-Hydroxybenzoic acid, again in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.

Properties and Applications

black light brown. Soluble in water for purplish red, slightly soluble in alcohol. The strong sulfuric acid for purple, diluted for Light red orange time The dye solution to join strong hydrochloric acid for red sauce, precipitation; Add thick sodium hydroxide solution for orange brown..

Direct Brown 186 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Salicylsäure Benzidin-3,3'-dicarbonsure 6-Amino-4-hydroxynaphthalin-2-sulfonsure

Downstream Produkte

Direct Brown 186 Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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()Verwandte Suche:

Natrium-2,6-bis[(2,4-diaminophenyl)azo]toluol-4-sulfonat

Direct Brown 186
C.I.Direct Brown 186:C.I.22775