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C.I. Direct red 74

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C.I. Direct red 74 Basic information
Product Name:C.I. Direct red 74
Synonyms:C.I. Direct red 74;Direct Red 74;C.I.Direct Red 74:C.I.22170
CAS:8003-75-6
MF:C32H24N6O7S2.2Na
MW:714.69
EINECS:
Product Categories:
Mol File:Mol File
C.I. Direct red 74 Structure
C.I. Direct red 74 Chemical Properties
EPA Substance Registry SystemC.I. Direct Red 74 (8003-75-6)
Safety Information
MSDS Information
C.I. Direct red 74 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, first and 6-Aminonaphthalene-2-sulfonic acid and 7-Aminonaphthalene-2-sulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applicationsblue-ray red. Soluble in water for red jujube, and adequate soluble in ethanol in red. The strong sulfuric acid in blue, diluted red for sauce. The dye solution to join strong hydrochloric acid for Red sauce, precipitation; Add thick sodium hydroxide solution for orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4 1 2 1-2
C.I. Direct red 74 Preparation Products And Raw materials
Raw materials6-Amino-2-naphthalenesulfonic acid-->Benzidine-->J acid-->2-Aminonaphthalene-7-sulfonic acid
Tag:C.I. Direct red 74(8003-75-6) Related Product Information
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 BENZOPURPURIN 10B Direct red 72