|
| 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt Basic information |
| 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt Chemical Properties |
| 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt Usage And Synthesis |
Preparation | 5-Phenyl-2-amino-benzensulfonic acid diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, product to diazo, and 4-Formamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling (finally coupling is in Pyridine in water). | Properties and Applications | green. Soluble in water for blue light green, soluble in ethanol. The strong sulfuric acid for Gray light black, diluted green for blue-ray. The dye solution to join strong hydrochloric acid have olive green precipitation; Add thick sodium hydroxide solution to black purple precipitation.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
3
|
3
|
1-2
|
|
1-2
|
|
|
| 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt Preparation Products And Raw materials |
|