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Direct Yellow 66

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Direct Yellow 66 Basic information
Product Name:Direct Yellow 66
Synonyms:Direct Yellow 66;C.I.Direct Yellow 66:C.I.25225
CAS:
MF:
MW:0
EINECS:
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Mol File:Mol File
Direct Yellow 66 Structure
Direct Yellow 66 Chemical Properties
Safety Information
MSDS Information
Direct Yellow 66 Usage And Synthesis
Preparation4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, will the nitro reduction, and 4-Nitrobenzoyl chloride condensation , then the nitro reduction nitride pay equal attention to, and 1-(3-Nitrophenyl)-3-carboxy-5-pyrazolone?coupling and will last a nitro reduction.
Properties and Applicationsyellow. Moderate soluble in water for yellow orange, hardly soluble in alcohol. The strong sulfuric acid in orange, yellow for diluted. The dye solution to join strong hydrochloric acid colour and lustre is obvious change; Add thick sodium hydroxide solution without change color. Used for cellulose d dyeing and printing, dyeing copper, iron ion in the same light
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 2 4 4 4-5
Tag:Direct Yellow 66 Related Product Information
C.I. Direct Yellow 60 Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde 2-[[2-Oxo-1-[(2-methoxy-5-sodiosulfophenyl)aminocarbonyl]propyl]azo]-5-[N'-[3-sodiooxycarbonyl-4-[[2-oxo-1-[(4-sodiosulfophenyl)aminocarbonyl]propyl]azo]phenyl]ureido]benzoic acid sodium salt tetrasodium 5,5'-[vinylenebis[(3-sulphonato-4,1-phenylene)azo]]bis(salicylate) THIOFLAVINE S Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, oxidized 2,2'-[Carbonylbis[imino-1,1'-biphenyl-4,4'-diyl(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-1,4-diyl)azo]]bis[5-sulfobenzoic acid]tetrasodium salt Benzenesulfonic acid, 2,2'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[4-amino-, disodium salt CI 36900