Disodium 4-Amino-3-[4-[4-(1-Amino-4-Sulfonato-Naphthalen-2-Yl)Diazenylphenyl]Phenyl]Diazenyl-Naphthalene-1-Sulfonate; Direct Red 28; Solucongo; Disodium,4-Amino-3-[[4-[4-[(1-Amino-4-Sulfonatonaphthalen-2-Yl)Diazenyl]Phenyl]Phenyl]Diazenyl]Naphthalene-1-Sulfonate; Haemonorm; Haemomedical; Congazone Sodium; 1-Naphthalenesulfonic Acid, 3,3‘-[[1,1‘-Biphenyl]-4,4‘-Diylbis(Azo)]Bis[4-Amino-, Disodium Salt; Benzo Congo Red; Hemorrhagyl; Benzidinediazo-Bis-1-Naphtylamine-4 Sulfonic Acid Disodium; Sodium Salt Of Benzidinediazobis-1-Naphthylamine-4-Sulfonic Acid; C.I. Direct Red 28

Brief Introduction

Once widely used in cotton; For the dyeing of viscose, it is easy to change into blue in case of acid, and there is no appropriate treatment method to improve its wet treatment fastness. Therefore, since the advent of insoluble azo dye and direct acid resistant red 4BS, the use of this product in dyeing has decreased gradually, but it is used in papermaking industry. It can also be used as acid-base indicator, i.e. Congo red test paper, pH 0 (blue violet) - 0 (red). In addition, it is also used for biological staining and analytical reagents. It is used as an adsorption indicator for the determination of halide, thiocyanate and zinc. It is used as a chromogenic agent for the determination of thiophosphate herbicides by TLC. It is also used as a biological stain.

3-Methyl-4-{[4-({4-[(2-Methylphenyl)Amino]Phenyl}{4-[(2-Methylphe Nyl)Imino]-2,5-Cyclohexadien-1-Ylidene}Methyl)Phenyl]Amino}Benzen Esulfonic Acid

MSDS

CAS:5905-38-4

Molecular Formula:C40H35N3O3S

Alias

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Pigment Blue 57; Schembl12760814; C.I.42795

Brief Introduction

C. I. pigment blue 57 is a variety with strong red light in the alkaline blue series. The liquid dispersion dosage form has high gloss, high coloring power and fluidity. It is mainly used in the toner of various printing inks to remove the brown tone of black ink and achieve the effect of increasing blackness.

Sulphur Blue 7

CAS:1327-57-7

Molecular Formula:C13H14N2O

Alias

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4-Amino-4'-Hydroxy-3-Methyldiphenylamine; 4-((4-Amino-M-Tolyl)Amino)Phenol; 3'-Methyl-4'-Amino-4-Hydroxydiphenylamine

Brief Introduction

Mainly used for cotton, linen, viscose fiber, whalen and fabric dyeing, dye is Lord of the navy color dye, bright color, also can spell dyed dark gray and yellow dye.

Sulphur Red 6

CAS:1327-85-1

Alias

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Sulphur Red Brown 3R.; C.I.53720; Sulfur Bordeaux B-Cf; Sulphur Red Brown 3B; Acco Sulfur Bordeaux A-Cf; Acco Sulfur Red Brown B-Cf; Acco Sulfur Red Brown R-Cf; Atul Sulfur Red Brown 3B

Brief Introduction

Sulphur Red 6 is mainly used in the dyeing of cotton, hemp, viscose fiber, vinylon and their fabrics, as well as the combination dyeing of various coffee colors with red light. Also with sulfur yellow brown 5g, sulfur black BN as three primary colors for dyeing all kinds of gray, camel, light brown and other colors. It can also be used for leather coloring.

4-Diazodiphenylamine Sulfate

CAS:4477-28-5

Molecular Formula:C24H22N8O4S

Alias

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Benzenediazonium, 4-(Phenylamino)-, Sulfate (1:1); Variamine Blue Rt Salt; 4-Anilinobenzenediazonium Hydrogen Sulphate; 4-Anilinobenzenediazonium;Hydrogen Sulfate; Benzenediazonium,4-(Phenylamino)-, Methanesulfonate, Polymer With Formaldehyde And4-(Phenylamino)Benzoic Acid (9Ci); 4-Phenylaminobenzenediazonium Hydrogensulfate

Brief Introduction

This product is mainly used in the production of diazo salt drying drawings, and cotton fabric dyeing and printing.

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