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
- MW:
- 0
- Mol File:
- Mol File
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Direct Blue 82 Usage And Synthesis
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 | ||
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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-)