Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 173,C.I.45170:3

Molecular Structure: Xanthene

C.I.Pigment Red 173,C.I.45170:3,CAS 12227-77-9,444.57,C28H32N2O3,Cosmetic Rubine,Rhodamine Lake 16688

Molecular Formula:C₂₈H₃₂N₂O₃

Molecular Weight: 444.57

CAS Registry Number:12227-77-9

Manufacturing Methods :3-(Diethylamino)phenol and Phthalic anhydride condensation, alkali fusion, with sulfuric acid, hydrochloric acid acid soluble crystallization and changed into aluminum salt; (b) 2-(3,6-Dichloro-9H-xanthen-9-yl)benzoic acid and Diethylamine in pressure reaction (BP 960088) and changed into aluminum salt.

Properties and Applications: red. With C.I.Basic Violet 10 and chemical structure the same (aluminum salt).

List of Suppliers:

Cosmetic Rubine (Lake) 2107(Sudarshan Chemical Industries Ltd)

D&C Red No 19 Al Lake ( Sun Chemical Corp. )

Rhodamine Lake 16688(22012)( Anstead International )