5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt

5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Struktur
6253-15-2
CAS-Nr.
6253-15-2
Englisch Name:
5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
Synonyma:
C.I.22306;Direct Red 33;C.I.Direct Red 33;C.I.Direct Red 33:C.I.22306;5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt;Benzoic acid, 5-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
CBNumber:
CB52435353
Summenformel:
C29H21N5O7S.2Na
Molgewicht:
629.56
MOL-Datei:
6253-15-2.mol

5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Eigenschaften

EPA chemische Informationen
C.I. Direct Red 33 (6253-15-2)

Sicherheit

5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

red. Soluble in water for red, soluble in ethanol for orange, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted for brown, have precipitation. The dye solution to join strong hydrochloric acid for red light brown, have precipitation; Add thick red to orange sodium hydroxide solution to brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 3-4 3 3 2-3

5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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  • 5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
  • C.I.22306
  • C.I.Direct Red 33
  • Benzoic acid, 5-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
  • C.I.Direct Red 33:C.I.22306
  • Direct Red 33
  • 6253-15-2
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