6,6'-Ureylene-Bis(1-Naphthol-3-Sulfonic Acid); 4,4'-Dihydroxy-7,7'-Ureylenedi(Naphthalene-2-Sulphonic Acid); 7,7'-(Carbonyldiimino)Bis[4-Hydroxy-2-Naphthalenesulfonic Acid]; Phosgenated; N,N'-Bis(4-Hydroxy-2-Sulfonaphthalene-7-Yl)Urea; 7,7'-Ureylenebis(4-Hydroxy-2-Naphthalenesulfonic Acid); N,N'-Bis[6-(1-Naphthol-3-Sulfonic Acid)]Urea; 6,6'-Ureylenbis-1-Naphthol-3-Sulfonic Acid

Brief Introduction

7,7'-(Carbonylbis(azanediyl))bis(4-hydroxynaphthalene-2-sulfonic acid) is an intermediate of azo dyes, which is used to produce direct orange s, direct acid resistant scarlet 4BS, etc.

3-Hydroxy-N-2-Naphthyl-2-Naphthamide

CAS:135-64-8

Molecular Formula:C21H15NO2

Alias

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3-Hydroxy-N-(Naphthyl-(2))-Naphthamid-(2); Dragonthol Sw; 3-Hydroxy-N-Naphthalen-2-Ylnaphthalene-2-Carboxamide; Naphtoelan Sw; Naphthoide Sw; 3-Hydroxy-Naphthalene-2-Carboxylic Acid Naphthalen-2-Ylamide; 3-Hydroxy-[2]Naphthoic Acid-[2]Naphthylamide; 3-Hydroxynaphthalene-2-Carboxylic Acid Naphthalen-2-Yl Amide; Azoic Coupling Component 7; Naphthanilid Sw; 2-Hydroxy-3-Naphthoic Acid 2-Naphthylamide; 3-Hydroxy-N-(Naphthalen-2-Yl)-2-Naphthamide; 3-Hydroxy-N-(2-Naphthyl)-2-Naphthamide; Naphthanil Sw; 3-Hydroxy-[2]Naphthoesaeure-[2]Naphthylamid; Cibanaphthol Ra; Naphthol As-Sw; Acco Naphthol As-Sw; Naphtanilide Sw; Acnanaphthold; Brentholbn; Amarthol As-Sw; Dycosthol As-Sw; Tulathol As-Sw

Brief Introduction

Chromophenol AS-SW is mainly used for cotton dyeing. It is a common primer for cotton yarn dyeing red and brown. It is also used for dyeing vinylon, viscose fiber, silk and nylon. It can be coupled with large red base RC and red base KB to dye brilliant red; Dye blue by coupling with blue salt; Dye black by coupling with black base or black salt. It can also be used instead of tryptophan AS

Diphenyl Sulfide

CAS:139-66-2

Molecular Formula:C12H10S

Alias

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Phenyl Sulfide; Benzene, 1,1‘-Thiobis-; Phenylsulfanylbenzene; Diphenyl Sulphide

Brief Introduction

Used as pesticide, medicine and dye intermediate. 2,4-dichlorophenol can be synthesized from this product, which is used to synthesize herbicide, 2,4-drop, epbp, dukesan, etc; In medicine, it is used to synthesize sulfur dichlorophenol and so on.

1,5-Diamino-4,8-Dihydroxyanthraquinone

CAS:145-49-3

Molecular Formula:C14H10N2O4

Alias

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1,5-Diamino-4,8-Dihydroxy-9,10-Dihydroanthracene-9,10-Dione; Diaminoanthrarufin; 1,5-Diaminoanthrarufin; 4,8-Diaminoanthrarufin

Brief Introduction

It is used to synthesize dyes and as intermediate of disperse dyes.

Thiosalicylic Acid

CAS:147-93-3

Molecular Formula:C7H6O2S

Alias

More Information

2-Mercaptobenzoic Acid; 2-Sulfanylbenzoic Acid; O-Mercaptobenzoic Acid; 2-Thiosalicylic Acid; O-Thiosalicylic Acid; 2-Carboxythiophenol; O-Benzoic Acid Thiol; O-Carboxythiophenol; O-Sulfhydrylbenzoic Acid; Benzoic Acid, 2-Mercapto-; O-Mercaptobenzoesaeure; Benzoic Acid, O-Mercapto-; Salicylic Acid, 2-Thio-; 2-Mercapto-Benzoic Acid; Benzoic Acid, Mercapto-; Thiophenol-2-Carboxylic Acid

Brief Introduction

This product is mainly used in pesticide, dyestuff and rubber industry. It can also be used in the synthesis of methyl salicylate and other pharmaceutical products. It can also be used in the anti-corrosion treatment of ferrous metal in electroplating industry. It can also be used as metal surface treatment agent and colorant in ceramic industry.

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