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Direct Brown 154

Name:C.I.Direct Brown 154,C.I.30120

Molecular Structure: trisazo class

C.I.Direct Brown 154,C.I.30120,CAS 6360-54-9,708.66,C33H26N8Na2O6S,ACDI Brown 3GN-NB,Direct Brown 3GN-NB,Permalite Brown 3GN

C.I.Direct Brown 154,C.I.30120,CAS 6360-54-9,708.66,C33H26N8Na2O6S,ACDI Brown 3GN-NB,Direct Brown 3GN-NB,Permalite Brown 3GN

Molecular Formula:C33H26N8Na2O6S

Molecular Weight: 708.66

CAS Registry Number:6360-54-9

Manufacturing Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first with2-Hydroxy-3-methylbenzoic acid coupling, and then and 4-Aminobenzenesulfonic acid diazo, and 4-Methylbenzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.

Properties and Applications:  brown. Soluble in water for yellow light brown. The strong sulfuric acid for purple brown, for yellow orange after diluted. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution for orange brown.

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

List of Suppliers:

ACDI Brown 3GN-NB 250% (Aakash Chemicals & Dyestuffs Inc)

Direct Brown 3GN-NB ( Global Colors Inc. )

Permalite Brown 3GN 100%( Standard Dyes )


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