Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Blue 19,C.I.42750:1

Molecular Structure: triarylmethane

C.I.Pigment Blue 19,C.I.42750:1,CAS 58569-23-6,573.64,C32H28N3NaO4S

Molecular Formula:C₃₂H₂₈N₃NaO₄S

Molecular Weight: 573.64

CAS Registry Number:58569-23-6

Manufacturing Methods :with concentrated sulfuric acid sulfonating C.I.Acid Blue 3 (C.I. 42775) and changed into free acid derivatives.

Properties and Applications:blue. Soluble in hot water colorless, insoluble in water, slightly soluble in alcohol. In concentrated sulfuric acid for brown light red, blue, and after diluted blue precipitation. Water soluble paint an illusion of the senses to join sodium hydroxide as red brown. With C.I.Acid Blue 110 the same chemical structure.

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