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C.I. Direct brown 151, disodium salt

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C.I. Direct brown 151, disodium salt Basic information
Product Name:C.I. Direct brown 151, disodium salt
Synonyms:2,7-Naphthalenedisulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, disodium salt;C.I. Direct brown 151, disodium salt;Direct Brown 151;C.I.Direct Brown 151:C.I.31685
CAS:10130-38-8
MF:C34H29N10NaO7S2
MW:776.78
EINECS:
Product Categories:
Mol File:10130-38-8.mol
C.I. Direct brown 151, disodium salt Structure
C.I. Direct brown 151, disodium salt Chemical Properties
EPA Substance Registry SystemC.I. Direct Brown 151, disodium salt (10130-38-8)
Safety Information
MSDS Information
C.I. Direct brown 151, disodium salt Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions before 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, product to diazo, and Benzene-1,3-diamine (2 Moore) coupled.
Properties and Applicationsdark red light brown. Slightly soluble in water for red sauce, soluble in ethanol. In the dark for the strong sulfuric acid, diluted light for palm gray, with black precipitation. The dye solution with strong hydrochloric acid has the purple precipitation; With strong sodium hydroxide solution for red to blue light is red.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4-5 2 3 4
AATCC 5 5 3-4 2-3 5
C.I. Direct brown 151, disodium salt Preparation Products And Raw materials
Raw materialsBenzidine-->8-Hydroxy-2-naphthylamine-3,6-disulfonic acid-->m-Phenylenediamine
Tag:C.I. Direct brown 151, disodium salt(10130-38-8) Related Product Information
Direct Brown 148 Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt C.I. Direct brown 14 Direct Brown 146 2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt C.I. Direct Brown 149 C.I. Direct Brown 150