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

Product Name
2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt
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
Formula Weight
720.75
MOL File
6459-66-1.mol
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Hazard and Precautionary Statements (GHS)

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2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Chemical Properties,Usage,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

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2-Naphthalenesulfonic acid, 5,5'-[methylenebis[(3-methyl-4,1-phenylene)azo]]bis[6-hydroxy-, disodium salt Suppliers

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

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 ACID ORANGE 60 Ethylenediaminetetraacetic acid tetrasodium salt dihydrate ACID ORANGE 51

  • 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