dye|World dye variety

Name:C.I.Solvent Blue 74,C.I.63005

Molecular Structure: anthraquinones

C.I.Solvent Blue 74,C.I.63005,CAS 128-86-9/12237-25-1,430.37,C14H10N2O10S2,Solvent Blue 2GL,Alizarine Saphire BLN Free Acid

Molecular Formula:C₁₄H₁₀N₂O₁₀S₂

Molecular Weight: 430.37

CAS Registry Number:128-86-9/12237-25-1

Manufacturing Methods :C.I. Acid Blue 45 (by (a) 1,5-Dihydroxyanthracene-9,10-dione sulfonation, again nitrifying generated disulfonic Acid, then use Sodium sulfide reduction; (b) using Sodium bisulfite treatment 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione or 1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone; (C) in the presence of copper with ammonia treatment 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione or 1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone with hydrochloric Acid acidification.

Properties and Applications: blue. Blue powder. In alkaline aqueous solution in have greater solubility. Light resistance, heat resisting fastness are high. Mainly used in high-grade adornment coloring.

List of Suppliers:

Solvent Blue 2GL Nantong Zhengyan Pigments Chemical Co., Ltd.

Alizarine Saphire BLN Free Acid( Allied chemical Corporation)