2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
![2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Structure](CAS/20211123/GIF/6459-66-1.gif)
- CAS No.
- 6459-66-1
- Chemical Name:
- 2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
- Synonyms
- Acid Orange 55;C.I.Acid Orange 55:C.I.24765;2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
- CBNumber:
- CB64752620
- Molecular Formula:
- C35H29N4NaO8S2
- Molecular Weight:
- 720.75
- MOL File:
- 6459-66-1.mol
2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Chemical Properties,Uses,Production
Preparation
4-(4-Amino-2-methylbenzyl)-3-methylbenzenamine?nitriding, and methane 6-Hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.
Properties and Applications
red light orange. Soluble in water for palm orange, soluble in ethanol for gold orange. The strong sulfuric acid for blood-red, diluted orange for palm. In aqueous solution is to add strong hydrochloric acid have the red orange precipitation; Add thick sodium hydroxide solution for orange brown. Used for wool, silk fiber dyeing, etc. Also used in paper shading.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 4 | 3 | 2-3 | 3 | 3-4 |
2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
6459-66-1(2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt)Related Search:
2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
Acid Orange 55
C.I.Acid Orange 55:C.I.24765
6459-66-1