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1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt

Basic information Safety Supplier Related

1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt Basic information

Product Name:
1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt
Synonyms:
  • 1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt
  • C.I.Acid Orange 79:C.I.23255
  • Acid Orange 79
CAS:
6470-37-7
MF:
C34H27N5Na2O9S2
MW:
759.71582
EINECS:
613-656-3
Mol File:
6470-37-7.mol
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1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt Usage And Synthesis

Preparation

4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and 3-Oxo-N-phenylbutanamide coupling.

Properties and Applications

red light orange. Soluble in water for orange, soluble in ethanol for gold orange, slightly soluble in benzene and acetone. The strong sulfuric acid in red orange for, to orange diluted. The dye solution to join strong hydrochloric acid for orange; Add thick sodium hydroxide solution for yellow light brown. Used for wool, silk and fiber dyeing and printing directly.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 3-4 3-4 3-4 2-3 4-5

1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium saltSupplier