Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Blue 9,C.I.42025:1

Molecular Structure: triarylmethane

C.I.Pigment Blue 9,C.I.42025:1,CAS 1325-74-2,363.90,C23H24ClN2+

Molecular Formula:C₂₃H₂₄ClN₂+

Molecular Weight: 363.90

CAS Registry Number:1325-74-2

Manufacturing Methods :2-Chlorobenzaldehyde and N,N-dimethylaniline condensation, then use Lead dioxide and acid oxidation its product, reoccupy phosphorus molybdenum acid lake change.

Properties and Applications:brilliant green light blue. Soluble in water for green blue, soluble in ethanol for green blue. In concentrated sulfuric acid for the red light yellow, yellow to green for diluted, and kelly precipitation. Dye aqueous solution to join sodium hydroxide have blue black precipitation, and then into the red brown solution. And C.I.Basic Blue 1 the same chemical structure (phosphorus molybdenum acid salt).

List of Suppliers:

Pigment Blue 9(CPMA)