ChemicalBook Product Catalog Dyes and Pigments dye Disperse dyes Disperse Blue 257

Disperse Blue 257

Disperse Blue 257 Basic information
Product Name:Disperse Blue 257
Synonyms:DISPERSE BLUE 257;Blue 3RF;C.I.Disperse Blue 257;Disperse Blue 3R-SF;Begacron Blue 3RSF;Desron Blue S-2RF;Kayalon Polyester Blue 3R-SF;Kiwalon Polyester Blue 3RF
CAS:84931-03-3
MF:C21H23BrN6O5
MW:519.35
EINECS:
Product Categories:
Mol File:Mol File
Disperse Blue 257 Structure
Disperse Blue 257 Chemical Properties
CAS DataBase Reference84931-03-3
Safety Information
MSDS Information
Disperse Blue 257 Usage And Synthesis
Preparation2-Cyano-4-nitro-6-bromoaniline diazo, and N-(3-(bis(2-methoxyethyl)amino)phenyl)acetamide?coupling.
Properties and Applicationsred light blue. Used for dyeing and printing of polyester, also suitable for polyester superfine fiber, coloring rate is excellent, good fastness properties.
Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness
Fading Stain Fading Stain Fading Stain
ISO 5 4-5 6 5 5 5 5
Disperse Blue 257 Preparation Products And Raw materials
Raw materialsN-Ethylaniline-->2-Amino-3-bromo-5-nitrobenzonitrile-->3-(N,N-Dimethoxyethyl)amino acetanilide
Aluminum acetylacetonate METHYL ISOCYANOACETATE N-BUTYLISOCYANIDE Disperse Blue 257 Tris(2,4-pentanedionato)chroMiuM(III) DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) DISPERSE DYES 2,4-PENTANEDIONE, SILVER DERIVATIVE BLACK BO SULPHAR DYES BLACK BO Tosylmethyl isocyanide COBALT(II) ACETYLACETONATE Ethyl isocyanoacetate Sodium salt of polynaphthalene sulphonic acid Solvent Violet 13 Ferric acetylacetonate COBALT ETHYLENE DIAMINE CHLORIDE Benzyl isocyanide TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III)
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