1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt

Product Name
1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt
CAS No.
6428-99-5
Chemical Name
1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt
Synonyms
Direct Blue 50;C.I.Direct Blue 50:C.I.24205;1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt
CBNumber
CB94749298
Molecular Formula
C34H27N4NaO10S2
Formula Weight
738.72
MOL File
6428-99-5.mol
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Hazard and Precautionary Statements (GHS)

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1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt Chemical Properties,Usage,Production

Preparation

3,3′-Dimethoxylbenzidine double nitriding, and 5-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications

blue. Soluble in water for red light purple, soluble in ethanol for purple. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for dark red light purple, accompanied by precipitation; Add thick sodium hydroxide solution for red light purple.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 1-2 1-2 2

1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt Suppliers