Direct red 72

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Direct red 72 Basic information
Product Name:Direct red 72
Synonyms:Direct red 72;C.I.Direct Red 72:C.I.29200
CAS:8005-64-9
MF:
MW:0
EINECS:
Product Categories:
Mol File:Mol File
Direct red 72 Structure
Direct red 72 Chemical Properties
Safety Information
MSDS Information
Direct red 72 Usage And Synthesis
Preparation6-Aminonaphthalene-2-sulfonic acid diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Anisidine (0. 6 Moore) and O-Methylaniline (0.4 Moore) diazo, and coupled product matches.
Properties and Applicationsred. Soluble in water for colourful red, soluble in ethanol is shallow orange red. The strong sulfuric acid to red light purple, diluted red brown to orange for brown. The dye solution to join strong hydrochloric acid for orange brown; With strong sodium hydroxide solution for red light brown to orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 5 3 1-2 1-2
Direct red 72 Preparation Products And Raw materials
Raw materialso-Anisidine-->6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)-->6-Amino-2-naphthalenesulfonic acid-->o-Toluidine
Tag:Direct red 72(8005-64-9) Related Product Information
Benzopurpurin 10B Direct Red 73 [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 C.I. Direct red 74