ACID ANTHRACENE BROWN PG Chemical Properties

Colour Index 

17590

form 

powder to crystal

color 

Gray to Dark purple to Black

EPA Substance Registry System

Benzoic acid, 2-[[1-hydroxy-7-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-, disodium salt (6369-32-0)

Safety Information

HS Code 

3204.12.5090

ACID ANTHRACENE BROWN PG Usage And Synthesis

Uses

Acid Anthracene Brown PG is an organic monoazo dye used as a stain for elastin in human, dog, and rodent arteries.

Preparation

2-Aminobenzoic acid is diazotized in alkaline conditions with 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications

dark brown. Soluble in water for orange to red light brown, right amount soluble in ethanol and Cellosolve, insoluble in other organic solvent. In concentrated sulfuric acid for deep orange to red, for Light brown after diluted to orange precipitation; In concentrated nitric acid for Light brown, and then become yellow. Dye aqueous solution and concentrated hydrochloric acid for brown; Crowding sodium hydroxide solution for orange brown

ACID ANTHRACENE BROWN PG(6369-32-0)Related Product Information

• Acid Blue 90
• Mordant Brown 33
• MORDANT BROWN 4
• sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
• MORDANT BROWN 24
• 5-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methyl]-2-hydroxy-3-methylbenzoic acid
• Mordant Brown 35
• Mordant Brown 25
• Mordant Brown 36
• Benzenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-methylphenyl)azo]-5-nitro-, monosodium salt
• ACID ANTHRACENE BROWN PG
• ANTHRACENE BROWN
• N-(2-Naphthyl)aniline
• 6-Amino-4-hydroxy-2-naphthalenesulfonic acid
• 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid
• 7-Anilino-1-naphthol-3-sulfonic acid
• SODIUM ANTHRANILATE
• 2,6-ANS