Direct Red 73

Direct Red 73 Basic information
Product Name:Direct Red 73
Synonyms:Direct Red 73;C.I.Direct Red 73:C.I.29180
CAS:
MF:
MW:0
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Mol File:Mol File
Direct Red 73 Structure
Direct Red 73 Chemical Properties
Safety Information
MSDS Information
Direct Red 73 Usage And Synthesis
Preparation6-Aminonaphthalene-2-sulfonic acid diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Methylaniline diazo, and coupled product matches.
Properties and Applicationsred. Soluble in water for yellow light red, soluble in soluble fiber element, insoluble in organic solvents. The strong sulfuric acid to red light purple, diluted red for yellow light. The dye solution to join sulfuric acid 10% color; Add thick sodium hydroxide solution change to blue and into a dark red.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 5 5 4 2 3
Direct Red 73 Preparation Products And Raw materials
Raw materials6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)-->6-Amino-2-naphthalenesulfonic acid-->o-Toluidine
Tag:Direct Red 73 Related Product Information
[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]phenyl]-6-methyl-, disodium salt 7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methoxyphenyl)azo]-2-naphthalenesulfonic acid sodium salt 7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methylphenyl)azo]-2-naphthalenesulfonic acid sodium salt 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt disodium 4-amino-3-[[4'-[(2-amino-6-sulphonatonaphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate Direct Red 69 BENZOPURPURIN 10B C.I. Direct red 74 Direct red 72