Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Blue 1:2,C.I.42595:3

Molecular Structure: triarylmethane

C.I.Pigment Blue 1:2,C.I.42595:3,CAS 69980-72-9,478.69,C33H40N3+,Lamprolac Blue RM,Victoria Blue SMA

Molecular Formula:C₃₃H₄₀N₃+

Molecular Weight: 478.69

CAS Registry Number:69980-72-9

Manufacturing Methods :Bis(4-(diethylamino)phenyl)methanone and N-Ethylnaphthalen-1-amine in Toluene in the presence of Phosphorus oxychloride condensation, and then use silicon molybdenum acid lake change.

Properties and Applications:brilliant red light blue. Soluble in hot water for blue, soluble in ethanol for blue, slightly soluble in cold water. In concentrated sulfuric acid for brown light yellow, red yellow for diluted. Pigment solution to join sodium hydroxide as red brown. And C.I.Basic Blue 7 chemical structure the same (silicon molybdenum acid salt).

List of Suppliers:

Lamprolac Blue RM( Francolor Pigments SA )

Pigment Blue 1:2(CPMA)

Victoria Blue SMA