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必应染料-您身边的染料专家

Direct Brown 112

Name:C.I.Direct Brown 112,C.I.29166

Molecular Structure: Double azo class

C.I.Direct Brown 112,C.I.29166,CAS 37279-47-3, 844.69,C35H22N6Na2O13S2,Direct Bordeaux 4GM,Direct Fast Brown 8RLL,Light Brown 8R

C.I.Direct Brown 112,C.I.29166,CAS 37279-47-3, 844.69,C35H22N6Na2O13S2,Direct Bordeaux 4GM,Direct Fast Brown 8RLL,Light Brown 8R

Molecular Formula:C35H22N6Na2O13S2

Molecular Weight: 844.69

CAS Registry Number:37279-47-3

Manufacturing Methods : 2-Aminobenzoic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupled with copper sulfate, and complex.

Properties and Applications: red light brown. Brown powder. Soluble in hot water for red, solubility of 15 g/L (60 ℃), 20 g/L (97 ℃), and adequate soluble in ethanol, slightly soluble in strong hydrochloric acid for yellow, dilute after gradually from orange red. The strong sulfuric acid for red, diluted is still red; In 40% of sodium hydroxide solution in a slightly soluble for light yellow, add water dilute, deepen primary colors. Dyeing copper ions in a slight change color in a little yellow colored light iron ion. Mainly used to viscose filament, natural silk, rayon, wool, linen and its various blended fabric dyeing and printing directly. Also can be used for leather products dyeing.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 7 3-4 2-3 3-4 1-2
AATCC 4 2 7 2 3-4

List of Suppliers:

Direct Bordeaux 4GM ( Joint Stock Company ‘Coioros’ )

Direct Fast Brown 8RLL ( Sintofarm SA )

Direct Light Brown 8R( S A des Ets. Steiner )

Fourdirect Brown AGL New (Classic Dyestuffs Inc)

Helion Brown 8RLL ( Ciech SA )

Resin Fast Brown 8RL(Classic Dyestuffs Inc)

Tertrodirect Light Brown 8R(Yorkshire Group pic)


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