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.

Acid Red 51

CAS:568-63-8

Molecular Formula:C20H6I4Na2O5

Alias

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Eosin Iodo; Iodeosin B; Food Red No. 3; Dianthin B; Iodoeosin; Eosin J; Pyrosin B; Fd And C Red No. 3; Fdc Red No. 3; Tif Na; Erythrosine Sodium; Disodium 2-(2,4,5,7-Tetraiodo-6-Oxido-3-Oxo-3H-Xanthen-9-Yl)Benzoate

Brief Introduction

The product can be used alone or in combination with other edible pigments for a variety of foods such as pastries, agricultural and aquatic products (cherry, fish cake, needle brocade Babao pickles) and so on. According to the hygienic standard for the use of food additives in China (GB2760-86), the maximum amount of red scarlet in food is 05g / kg. In addition, the product is also used as a pigment for drugs and cosmetics. The oral LD50 of rats is 1900mg / kg. According to the provisions of the food and Agriculture Organization of the United Nations and the World Health Organization, the allowable daily intake (ADI) of humans is 0 - 25mg / kg.

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