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2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt

2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Struktur
13194-98-4
CAS-Nr.
13194-98-4
Englisch Name:
2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt
Synonyma:
Direct Red 50;C.I.Direct Red 50:C.I.31525;2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt
CBNumber:
CB84747570
Summenformel:
C28H21N6NaO8S
Molgewicht:
624.56
MOL-Datei:
13194-98-4.mol

2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Eigenschaften

Sicherheit

2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

3′-Aminooxanilic acid diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then hydrolysis, the grass, then double nitriding, and Resorcinol (2 Moore) coupled.

Properties and Applications

red. Soluble in water for red orange brown, soluble in ethanol. The strong sulfuric acid for violet black, to orange diluted. The dye solution to join strong hydrochloric acid for red orange brown; Add thick sodium hydroxide solution for purplish red color.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4 2 2 2

2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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13194-98-4()Verwandte Suche:


  • 2-Naphthalenesulfonic acid, 7-[(2,4-dihydroxyphenyl)azo]-3-[[3-[(2,4-dihydroxyphenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt
  • Direct Red 50
  • C.I.Direct Red 50:C.I.31525
  • 13194-98-4
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