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Pigment Red 220

Name:C.I.Pigment Red 220,C.I.20055

Molecular Structure: Double azo

C.I.Pigment Red 220,C.I.20055,CAS 68259-05-2,925.81,C50H42Cl2N6O8,Cromophtal Red G,Homapol Red P0344

C.I.Pigment Red 220,C.I.20055,CAS 68259-05-2,925.81,C50H42Cl2N6O8,Cromophtal Red G,Homapol Red P0344

Molecular Formula:C50H42Cl2N6O8

Molecular Weight: 925.81

CAS Registry Number:68259-05-2

Manufacturing Methods : 2-Chloroethyl 3-amino-4-methylbenzoate (2 Moore) diazotization, and 2,5-Dimethyl-N,N’-bis(3-hydroxy-2-naphthoyl)-1,4-phenylenediamine coupling.

Properties and Applications:blue light red. Suitable for PVC, PO color.

Light Fastness Heat resistance(℃ ) Sodium carbonate(5%) Muriatic acid(5%) Oleic acid PVC migration Soap micelle bleeding
Melting point Stable
7-8 280(Good) 5 5 5 5 5

List of Suppliers:

Cromophtal Red G ( Ciba Specialty Chemicals Inc )

Homapol Red P0344 ( Ciba Specialty Chemicals Inc )

Pigment Red 220 (CPMA)

Red G ( Keystone Aniline Corporation )

Red KP-105 (Sumika Color Co Ltd)

Red PEC-105(Sumika Color Co Ltd)


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