Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 90:1,C.I.45380:3

Molecular Structure: Xanthene

C.I.Pigment Red 90:1,C.I.45380:3,CAS 15876-39-8,647.89,C20H8Br4O5,Ariabel Geranium 300506,Cogilor Almandine 90110,D&C Red No 21

Molecular Formula:C₂₀H₈Br₄O₅

Molecular Weight: 647.89

CAS Registry Number:15876-39-8

Manufacturing Methods :Fluorescein (C.I.Acid Yellow 73,C.I.45350) in water or ethanol solution bromine into four bromine derivatives,and then into aluminum salt.

Properties and Applications:brilliant red. With C.I.Acid Red 87 chemical structure the same (aluminum salt).

List of Suppliers:

Ariabel Geranium 300506 ( Warner-Jenkinson Co )

Cogilor Almandine 90110( Anstead International )

Covalac Red W3511 ( Les Colorants Wackherr )

D&C Red No 21 Aluminium Lake W011 ( Les Colorants Wackherr )