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Direct red 194 (C.I. 35785)

Direct red 194 (C.I. 35785) Struktur
6471-41-6
CAS-Nr.
6471-41-6
Englisch Name:
Direct red 194 (C.I. 35785)
Synonyma:
C.I.35785;Direct Red 194;Solex Bordeaux;C.I.Direct Red 194;Direct red 194 (C.I. 35785);C.I.Direct Red 194:C.I.35785;7,7'-Ureylenebis[3-[[4-[(2,4-dichloro-6-sodiosulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt
CBNumber:
CB31485687
Summenformel:
C47H28Cl4N10Na4O15S4
Molgewicht:
1334.8143
MOL-Datei:
6471-41-6.mol

Direct red 194 (C.I. 35785) Eigenschaften

Sicherheit

Direct red 194 (C.I. 35785) Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

2-Amino-3,5-dichlorobenzenesulfonic acid diazo, and m-Toluidinecoupling, and then a sulfonic acid hydrolysis off base, its product (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.

Properties and Applications

yellow light red. Soluble in water for blue-ray red, slightly soluble in alcohol. The strong sulfuric acid for blue, purple red after diluted. The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation.

Direct red 194 (C.I. 35785) Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


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6471-41-6()Verwandte Suche:


  • Direct red 194 (C.I. 35785)
  • 7,7'-Ureylenebis[3-[[4-[(2,4-dichloro-6-sodiosulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt
  • C.I.35785
  • C.I.Direct Red 194
  • Solex Bordeaux
  • C.I.Direct Red 194:C.I.35785
  • Direct Red 194
  • 6471-41-6
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