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Direct Orange 85

Name:C.I.Direct Orange 85,C.I.25440

Molecular Structure: Double azo class

C.I.Direct Orange 85,C.I.25440,CAS 6791-54-4,1188.93,C47H32N14Na4O15S2,Diazo Brilliant Orange 3G

C.I.Direct Orange 85,C.I.25440,CAS 6791-54-4,1188.93,C47H32N14Na4O15S2,Diazo Brilliant Orange 3G

Molecular Formula:C47H32N14Na4O15S2

Molecular Weight: 1188.93

CAS Registry Number:6791-54-4

Manufacturing Methods : 1,3-Bis(4-(4-aminobenzamido)-3-sulfophenyl)urea double nitriding, and 1-(3-Nitrophenyl)-3-carboxy-5-pyrazolone (2 Moore) coupling, and then will the nitro reduction for amino.

Properties and Applications: yellow light orange. Soluble in water for gold orange, soluble in ethanol. The strong sulfuric acid for green light yellow, diluted is shallow orange. The dye solution to join strong hydrochloric acid is palm light orange, precipitation; Add thick sodium hydroxide solution for green light yellow.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 2 4 4-5

List of Suppliers:

Diazo Brilliant Orange 3G( IG Farbenindustrie AG )


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