2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2) Usage And Synthesis

Preparation

M-nitroaniline diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

orange. Red orange powder. Soluble in water and ethanol, in 90 ℃ water solubility of 50 g/L, also can dissolve in acetone. The strong sulfuric acid dyes for product red, dilute to orange. The water solution is orange, and strong hydrochloric acid to red light orange; Add thick sodium hydroxide solution for orange still.

2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2)(5858-29-7)Related Product Information

• Benzenesulfonic acid, 3-[2-[4-[2-(3,5-dimethyl-1H-pyrazol-4-yl)diazenyl]-2,5-dimethoxyphenyl]diazenyl]-, sodium salt (1:1)
• sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate
• 5-[[2-[(N-Ethyl-N-phenylamino)sulfonyl]phenyl]azo]-6-hydroxy-2-naphthalenesulfonic acid sodium salt
• BRILLIANT ORANGE H
• Acid Orange 171
• hydrogen bis[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzene-1-sulphonamidato(2-)]chromate(1-)
• Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-3-nitro-, monosodium salt
• trihydrogen bis[4-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonato(3-)]chromate(3-)
• Acid Orange 7