C.I. Direct red 74

C.I. Direct red 74 Struktur
8003-75-6
CAS-Nr.
8003-75-6
Englisch Name:
C.I. Direct red 74
Synonyma:
Direct Red 74;C.I. Direct red 74;C.I.Direct Red 74:C.I.22170
CBNumber:
CB42493431
Summenformel:
C32H24N6O7S2.2Na
Molgewicht:
714.69
MOL-Datei:
Mol file

C.I. Direct red 74 Eigenschaften

EPA chemische Informationen
C.I. Direct Red 74 (8003-75-6)

Sicherheit

C.I. Direct red 74 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

4-(4-Aminophenyl)benzenamine double nitriding, first and 6-Aminonaphthalene-2-sulfonic acid and 7-Aminonaphthalene-2-sulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue-ray red. Soluble in water for red jujube, and adequate soluble in ethanol in red. The strong sulfuric acid in blue, diluted red for sauce. The dye solution to join strong hydrochloric acid for Red sauce, precipitation; Add thick sodium hydroxide solution for orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4 1 2 1-2

C.I. Direct red 74 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


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