ChemicalBook Product Catalog Dyes and Pigments dye disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate

disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate

disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate Basic information
Product Name:disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate
Synonyms:disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate;Benzo Orange Brown 3GR;C.I.Direct Brown 32;Chlorazol Orange Brown 2R;Direct Orange Brown 3GR;Erie Brown RLO;Naphtamine Fast Brown GG;3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)diazenyl]-3-methylphenyl]diazenyl]-2-methylphenyl]diazenyl]naphthalene-1,5-disulfonate
CAS:6739-48-6
MF:C30H26N9NaO8S2
MW:727.7
EINECS:2297996
Product Categories:
Mol File:6739-48-6.mol
disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate Structure
disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate Chemical Properties
Safety Information
MSDS Information
disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate Usage And Synthesis
Preparation3-Aminonaphthalene-1,5-disulfonic acid diazo, and m-Toluidine coupling, again diazo, and O-Methylaniline coupling, its product to diazo, and 4-Nitrobenzene-1,3-diamine coupling.
Properties and Applicationsorange brown. Soluble in water for yellow brown, soluble in soluble fiber element for orange, soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for blue to red sauce, diluted becomes shallow, with brown precipitation; In nitric acid partly dissolved for blue purple. The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 3 1-2 1-2
AATCC 3 5 3 3 4
disodium 3-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-m-tolyl]azo]-o-tolyl]azo]naphthalene-1,5-disulphonate Preparation Products And Raw materials
Raw materialsm-Toluidine-->2-Amino-4,8-naphthalenedisulfonic acid-->o-Toluidine-->4-Nitro-1,3-phenylenediamine
Direct Brown 25 DIRECT BROWN B C.I. Direct Brown 34 trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Direct Brown 250 Direct brown 33 (C.I. 35520) C.I. Direct brown 26 disodium 2'-[4-[[1-hydroxy-7-(phenylamino)-3-sulphonato-2-naphthyl]azo]phenyl]-6-methyl[2,6'-bibenzothiazole]-7-sulphonate C.I. Direct Brown 29
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