Acid Red 137 Chemical Properties

EPA Substance Registry System

2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-, monosodium salt (6222-63-5)

Acid Red 137 Usage And Synthesis

Preparation

N-(4-aminophenyl)acetamide diazo, and ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

yellow light red. Soluble in water for red, red orange for adequate soluble in alcohol. The strong sulfuric acid for product red, diluted into yellow orange. In water solution to join after strong hydrochloric acid red brown precipitation; Add thick sodium hydroxide solution into a yellow brown.

Acid Red 137(6222-63-5)Related Product Information

• Ferric acetylacetonate
• Tosylmethyl isocyanide
• Cupric acetylacetonate
• Benzyl isocyanide
• COBALT(II) ACETYLACETONATE
• TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III)
• METHYL ISOCYANOACETATE
• TERT-BUTYL ISOCYANIDE
• N-BUTYLISOCYANIDE
• 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
• Ethyl isocyanoacetate
• Aluminum acetylacetonate
• DICHLORO(ETHYLENEDIAMINE)PLATINUM(II)
• 2,4-PENTANEDIONE, SILVER DERIVATIVE
• SALCOMINE
• PHENYLSELENOL
• Tris(2,4-pentanedionato)chroMiuM(III)
• TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III)