1-<Methyl-5-Nitro-Phenylazo>-Naphth-2-Ol; Pigment Orange 3; 4-Nitrotolyl-2,1'-Azo-2'-Naphthol; 2-Pyridinemethanol,4-Nitro; 4-Nitro-2-Pyridinemethanol; 5-Nitro-O-Toluidin->2-Naphthol

Pigment Brown 1

MSDS

CAS:6410-40-8

Molecular Formula:C25H19Cl2N3O4

Alias

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CI 12480; (4Z)-4-[(2,5-Dichlorophenyl)Hydrazinylidene]-N-(2,5-Dimethoxyphenyl)-3-Oxonaphthalene-2-Carboxamide

Brief Introduction

Ink to be used for printing.

Direct Orange 31

MSDS

CAS:6420-03-7

Molecular Formula:C31H26N6NaO7S+

Direct Orange 30

MSDS

CAS:6420-04-8

Molecular Formula:C32H26N6Na2O7S

Alias

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C.I.Direct Orange 30; C.I.23665; Benzoic Acid, 5-(2-(4'-(2-(4,5-Dihydro-3-Methyl-5-Oxo-1-(4-Sulfophenyl)-1H-Pyrazol-4-Yl)Diazenyl)-3,3'-Dimethyl(1,1'-Biphenyl)-4-Yl)Diazenyl)-2-Hydroxy-3-Methyl-, Sodium Salt (1:2); Disodium,(3E)-5-Methyl-3-[[2-Methyl-4-[3-Methyl-4-[[3-Methyl-5-Oxo-1-(4-Sulfonatophenyl)-4H-Pyrazol-4-Yl]Diazenyl]Phenyl]Phenyl]Hydrazinylidene]-6-Oxocyclohexa-1,4-Diene-1-Carboxylate

Acid Blue 40

MSDS

CAS:6424-85-7

Molecular Formula:C22H16N3NaO6S

Alias

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Acid Blue 277:1; Acid Blue 2Gl; Blue A2G; Acid Blue A 2G; C.I. Acid Blue 40; Acid Blue E 2G; Acid Blue A 2G243; Acid Blue 40 Sodium Salt; Acid Blue Agg; Tectilon Blue; 10-Dioxo-O-Monosodiumsalt; 2-Anthracenedisulfonicacid,-[(4-(Acetylamino)Phenyl)Amino]-1-Amino-9,10-; 2-Anthracenesulfonicacid,4-[[4-(Acetylamino)Phenyl]Amino]-1-Amino-9,10-Dihydro-9,10-Dioxo-,Monosodiumsalt; Acidblue40(C.I.62125); Ci 62125; Acid Blue 40 (C.I.)

Brief Introduction

ACID BLUE 40 is a dark blue powder, soluble in acetone and ethanol, slightly soluble in nitrobenzene, insoluble in benzene and xylene, soluble in water, blue in water, dark brown in concentrated sulfuric acid, and red after dilution. It does not change color in concentrated hydrochloric acid and sodium hydroxide solution. ACID BLUE 40 is suitable for dyeing wool, silk and nylon and direct printing of fabrics. It is also used for leather and paper coloring.

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