Pigment Red 172
Name:C.I.Pigment Red 172,C.I.45430:1
Molecular Structure: Xanthene
Molecular Formula:C20H8I4O5
Molecular Weight: 853.89
CAS Registry Number:12227-78-0
Manufacturing Methods :Fluorescein (C.I.Acid Yellow 73, C.I. 45350) in aqueous solution in ethanol or four iodized, then into aluminum salt.
Properties and Applications:red. With C.I.Acid Red 51 and the same chemical structure (aluminum salt).
List of Suppliers:
Ariabel Rose 300504 ( Warner-Jenkinson Co )
Cogilor Red 312-42 (90018) ( Anstead International )
Conalake Erythrosine (Proquimac Color)
Covalac Pink W4506( Les Colorants Wackherr )
Covalim Pink W4756( Les Colorants Wackherr )
Covapate Pink W4766 ( Les Colorants Wackherr )
Erythrosin J (Siegle G & Co. GmbH)
Erythrosine H S Lake ( Warner-Jenkinson Co )
Erythrosine Lake (Pointing Ltd)
Erythrosine Lake 11000 ( Anstead International )
Erythrosine Lake 11009 ( Anstead International )
Eurolake Erythrosine ( Warner-Jenkinson Co )
FD&C Red No 3 Aluminium Lake (C14-4431)( Sun Chemical Corp. )
Neelilake Erythrosine ( Neelikon Food Dyes and Chemicals Ltd )
San-Ei Gen Erythrosine Aluminium Lake ( Kaseihin Kogyo Kyokai )