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Direct Blue 82

Direct Blue 82 Structure
Direct Blue 82 structure
CAS No.
Chemical Name:
Direct Blue 82
Synonyms
Direct Blue 82;C.I.Direct Blue 82:C.I.34130
CBNumber:
CB09702936
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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Direct Blue 82 Chemical Properties,Uses,Production

Preparation

2-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 Applications

blue. 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 materials

1-Naphthylamine-7-sulfonic acid 2-Amino-1,4-benzenedisulfonic acid J acid 1-Naphthylamine

Preparation Products

(Direct Blue 82)Related Search:

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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Direct Blue 82 C.I.Direct Blue 82:C.I.34130