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ChemicalBook--->CAS DataBase List--->6252-59-1

6252-59-1

6252-59-1 Structure

6252-59-1 Structure
IdentificationBack Directory
[Name]

3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt
[CAS]

6252-59-1
[Synonyms]

C.I.26650
Direct Blue 138
C.I.Direct Blue 138
C.I.Direct Blue 138:C.I.26650
3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt
[MOL File]

6252-59-1.mol
Hazard InformationBack Directory
[Preparation]

2′-Methoxy-4′-amino-5′-chlorooxanilic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4-Hydroxynaphthalene-2-sulfonic acid coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis base.
[Properties and Applications]

blue. Slightly soluble in water for sauce red to violet black, soluble in ethanol to blue. The strong sulfuric acid for blue-ray green, diluted to blue-ray for blue purple, have precipitation. The dye solution to join strong hydrochloric acid have dark purple precipitation; concentrated sodium hydroxide solution with dark purple precipitate; Add 10% of sulfuric acid and sodium hydroxide solution not change color.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 5 4 3-4 4
AATCC 5 5 4 2-3 5
6252-59-1 suppliers list
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