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ChemicalBook--->CAS DataBase List--->6226-99-9

6226-99-9

6226-99-9 Structure

6226-99-9 Structure
IdentificationBack Directory
[Name]

7-Amino-3-[[4-[(4-amino-3-sodiosulfophenyl)azo]-1-naphthalenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt
[CAS]

6226-99-9
[Synonyms]

C.I.27640
Direct Blue 140
C.I.Direct Blue 140
Diazo Indigo Blue 3R
C.I.Direct Blue 140:C.I.27640
7-Amino-3-[[4-[(4-amino-3-sodiosulfophenyl)azo]-1-naphthalenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt
[MOL File]

6226-99-9.mol
Hazard InformationBack Directory
[Preparation]

3-(4-Amino-2-sulfophenylamino)-2,3-dioxopropanoic acid diazo, and Naphthalen-1-amine coupling, product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis base.
[Properties and Applications]

red light blue. Soluble in water for darkness purplish red color, soluble in ethanol for purple. The strong sulfuric acid for blue-ray green, diluted for purple. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution for red sauce, precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 5 3 3 3-4
6226-99-9 suppliers list
Tags:6226-99-9 Related Product Information
6252-59-1 72-57-1 3841-15-4 6473-30-9 5905-21-5 2429-74-5 6428-30-4 110735-25-6 6227-16-3
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