Mordant Green 28 Chemical Properties

EPA Substance Registry System

2,7-Naphthalenedisulfonic acid, 5-amino-3-[(5-chloro-2-hydroxyphenyl)azo]-4-hydroxy-, disodium salt (6222-44-2)

Mordant Green 28 Usage And Synthesis

Preparation

2-Amino-4-chlorophenol diazotization, in alkaline condition and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications

dark blue light green. Soluble in water for Plum red. In concentrated sulfuric acid to red light blue, dilution after Plum red; In 10% sodium hydroxide solution for red light purple. Dye aqueous solution to join hydrochloric acid have brown light red precipitation.

Mordant Green 28(6222-44-2)Related Product Information

• 1-DODECANESULFONIC ACID SODIUM SALT
• CHLOROPHOSPHONAZO III
• Tris(hydroxymethyl)aminomethane
• Ethyl 2-(Chlorosulfonyl)acetate
• ALTRENOGEST
• Mordant Red 19
• 2,2'-Azobis(2-methylpropionitrile)
• p-Toluenesulfonic acid
• 4-PHENYLAZOPHENOL
• Citric acid
• 6-Aminocaproic acid
• LIGHT GREEN SF YELLOWISH
• Chromium(III) oxide
• Glycine
• Folic acid
• Taurine
• Chromium
• Sulfamic acid