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1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt

1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt Struktur
6449-77-0
CAS-Nr.
6449-77-0
Englisch Name:
1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt
Synonyma:
Direct Black 90;C.I.Direct Black 90:C.I.21530;1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt
CBNumber:
CB54748107
Summenformel:
C22H17N7Na2O7S2
Molgewicht:
601.52262
MOL-Datei:
6449-77-0.mol

1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt Eigenschaften

Sicherheit

1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

2-(4-Aminophenylamino)-2-oxoacetic aciddiazo, and Benzene-1,3-diamine coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis of the product to diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid coupling.

Properties and Applications

black. Moderate soluble in water for dark purple, soluble in ethanol. In the thick of sulfur acid for green light blue, diluted is shallow brown. The dye solution to join strong hydrochloric acid for red sauce, precipitation; Add thick sodium hydroxide solution for purple.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 5 5 3 3 4

1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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6449-77-0()Verwandte Suche:


  • 1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt
  • Direct Black 90
  • C.I.Direct Black 90:C.I.21530
  • 6449-77-0
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