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

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 Structure
CAS No.
6470-37-7
Chemical 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
Acid Orange 79;C.I.Acid Orange 79:C.I.23255;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
CBNumber:
CB44746515
Molecular Formula:
C34H27N5Na2O9S2
Molecular Weight:
759.71582
MOL File:
6470-37-7.mol

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 Chemical Properties,Uses,Production

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 salt Preparation Products And Raw materials

Raw materials

Preparation Products

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 6470-37-7