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 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

MDL Number:

MOL File:: 6459-66-1.mol

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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-methylbenzenaminenitriding, 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
Standard	Light Fastness	Fading	Stain	Persperation Fastness	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

6-Hydroxynaphthalene-2-sulphonic acid 4-(4-amino-2-methylbenzyl)-3-methylbenzenamine

Preparation Products

6459-66-1 (2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt) Related Search:

Acid orange 60 Acid orange 51 Acid orange 45 C.I. Acid Orange 49 Acid Orange 56

Orange IV sodium 4-[[4-[benzyl(ethyl)amino]phenyl]azo]-2,5-dichlorobenzenesulphonate Methyl Orange Ethylenediaminetetraacetic acid tetrasodium salt dihydrate

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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