Direct Brown 79

Product Name: Direct Brown 79
CAS No.: 6483-77-8
Chemical Name: Direct Brown 79
Synonyms: C.I.30050;Direct Brown CN;Direct Brown 79;c.i. direct brown 79;C.I. Direct brown 79(30050);C.I.Direct Brown 79:C.I.30050;2-Hydroxy-5-[[4'-[[2,4-diamino-5-[(2,4-disulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid trisodium salt;trisodium,(3E)-3-[[4-[4-[[2,4-diamino-5-[(2,4-disulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate
CBNumber: CB3967948
Molecular Formula: C31H24N8O9S2.3Na
Formula Weight: 785.68
MOL File: 6483-77-8.mol

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Direct Brown 79 Property

EPA Substance Registry System: C.I. Direct Brown 79 (6483-77-8)

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Hazard and Precautionary Statements (GHS)

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Direct Brown 79 Chemical Properties,Usage,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 4-Aminobenzene-1,3-disulfonic acid diazo, and Benzene-1,3-diamine coupled to a product matches.

Properties and Applications

brown. Brown powder. Soluble in water for yellow orange brown solution, soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for violet black, diluted for brown. The dye solution to join thick and strong hydrochloric acid sodium hydroxide solution are generating orange brown precipitation. Cellulose fiber of dyeing, the dye devoured performance is good, temperature in 80 ℃, the largest affinity, discharge the gender is good, hard to sensitive. After dyeing with copper sulfate handling,can improve the dyeing fastness. Dyeing cotton and viscose for yellow brown. Mainly used for dyeing knitting fabric, blankets, flannelette, viscose/silk, Wool / nylon blended fabric dyeing, generally not directly used for printing.

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

Direct Brown 79 Preparation Products And Raw materials

Raw materials

Preparation Products

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Direct Brown 79 Suppliers

China 2 India 1 Global 3

Shanghai Road Dyestuffs & Chemicals Co., Ltd

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Country: China
ProdList: 706
Advantage: 34

Dynasty Colourants Co., Ltd.

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Email: info@dynasty-color.com
Country: China
ProdList: 3306
Advantage: 51

6483-77-8, Direct Brown 79Related Search:

Direct Green 100 5-Amino-6-[(2-chlorophenyl)azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt Direct Green 102 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt DIRECT BROWN 95 disodium 2'-[4-[[2,6-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]phenyl]-6-methyl[2,6'-bibenzothiazole]-7-sulphonate CALCOMINE DARK GREEN BG trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate Durazol Brown 4RNS

Direct Brown 79

trisodium,(3E)-3-[[4-[4-[[2,4-diamino-5-[(2,4-disulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate

Direct Brown CN

c.i. direct brown 79

C.I. Direct brown 79(30050)

2-Hydroxy-5-[[4'-[[2,4-diamino-5-[(2,4-disulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid trisodium salt

C.I.30050

C.I.Direct Brown 79:C.I.30050

6483-77-8