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Direct Blue 82
Direct Blue 82 Basic information
Product Name:Direct Blue 82
Synonyms:Direct Blue 82;C.I.Direct Blue 82:C.I.34130
CAS:
MF:
MW:0
EINECS:
Product Categories:
Mol File:Mol File
Direct Blue 82 Structure
Direct Blue 82 Chemical Properties
Safety Information
MSDS Information
Direct Blue 82 Usage And Synthesis
Preparation2-Aminobenzene-1,4-disulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and Naphthalen-1-amine coupling, again diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applicationsblue. For blue is soluble in water, soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for violet black, diluted for purple. The dye water solution is blue, with strong hydrochloric acid have dark violet blue precipitation; Add thick sodium hydroxide solution have red light purple precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 4 4-5 5 1-2 1-2
Direct Blue 82 Preparation Products And Raw materials
Raw materials1-Naphthylamine-7-sulfonic acid-->2-Amino-1,4-benzenedisulfonic acid-->J acid-->1-Naphthylamine
Tag:Direct Blue 82 Related Product Information
Direct Blue 86 SIRIUS SUPRA BLUE trisodium [29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32]cuprate(3-) DIRECT BLUE 90 Direct blue 9 (C.I. 24155) DIRECT BLUE 80 C.I. Direct Blue 85 Direct blue 83 (C.I. 34230) tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)
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