Acid Red 34 Chemical Properties

Density 

1.631g/cm3 at 25℃

form 

Powder

LogP

-2.48 at 23℃ and pH7.6

EPA Substance Registry System

2-Naphthalenesulfonic acid, 6-amino-5-[(4-amino-2-sulfophenyl)azo]-4-hydroxy-, disodium salt (6360-04-9)

Acid Red 34 Usage And Synthesis

Preparation

2,5-Diaminobenzenesulfonic acid diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid in acid conditions coupled, then use the method will be reduced to amino nitro.

Properties and Applications

colourful red blue light. Soluble in water is red to blue light purple, slightly soluble in ethanol, soluble in soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid is orange red, it will be diluted in orange red still. Its water solution and 10% sulfuric acid as pink; And 10% sodium hydroxide solution is pink. Dyeing wool products and tussah, also can be used for paper, leather and casein plastic dyeing.

Acid Red 34(6360-04-9)Related Product Information

• AZOFUCHSIN
• 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt
• Acid Red 336
• Acid Red 350
• 1,12-Epoxy-2H-indolo[7a,1-a]isoquinoline
• ACID RED 337
• disodium 5-(acetylamino)-4-hydroxy-3-[(o-tolyl)azo]naphthalene-2,7-disulphonate
• 2-Naphthalenesulfonic acid, 5-[[4-(acetylamino)-2-[(ethylphenylamino) sulfonyl]phenyl]azo]-6-amino-4-hydroxy -, monosodium salt
• ACID RED 351