dye|World dye variety

Name:C.I.Food Blue 2:1,C.I.42090:2

Molecular Structure: triarylmethane class

C.I.Food Blue 2:1,C.I.42090:2,CAS 68921-42-6,748.89,C37H36N2O9S3

Molecular Formula:C₃₇H₃₆N₂O₉S₃

Molecular Weight: 748.89

CAS Registry Number:68921-42-6

Manufacturing Methods : 2-Formylbenzenesulfonic acid and 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid (2 Moore) condensation, oxidation, and then will product into aluminum salt deposit color.

Properties and Applications: colourful green light blue. Blue fine powder, odourless. Hardly soluble in water, oil and most solvent, but can be scattered, mixed with water, oil liquid and solid powder. Light resistance, heat resistance, the sex of good resistance to oxidation, have certain resistance to acid, alkali resistance. This product is suitable for oil products, powder of solid and colloid water-soluble colorants are difficult to use items shading. The product is made of a certain amount of strong HCL, added with a certain volume of two potassium hydrogen sulfate solution diluted, the maximum absorption wavelength for 630 + 2 nm.

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