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Direct Brown 61

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Direct Brown 61 Basic information
Product Name:Direct Brown 61
Synonyms:Direct Brown 61;C.I.Direct Brown 61:C.I.30055
CAS:
MF:
MW:0
EINECS:
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Mol File:Mol File
Direct Brown 61 Structure
Direct Brown 61 Chemical Properties
Safety Information
MSDS Information
Direct Brown 61 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, then with 4-Hydroxynaphthalene-1-sulfonic acid diazo, and Benzene-1,3-diamine coupled to a single accidentally coupled nitrogen compounds.
Properties and Applicationsred light brown. Soluble in water for dark orange brown. The strong sulfuric acid for purple, dilute after brown precipitation. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick with a small amount of sodium hydroxide solution red precipitate.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2-3 3 1-2 2-3 3
AATCC 2 2 2-3 1 2
Direct Brown 61 Preparation Products And Raw materials
Raw materialsSalicylic acid-->Benzidine-->1-Naphthol-4-sulfonic acid-->m-Phenylenediamine
Tag:Direct Brown 61 Related Product Information
Direct Brown 57 6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate DIRECT BROWN 6 Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt DIRECT BROWN 59 Benzoic acid, 5-[[4'-[(2-amino-3-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt C.I. Direct brown 62
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