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Pigment Red 221

Name:C.I.Pigment Red 221,C.I.20065

Molecular Structure: Double azo

C.I.Pigment Red 221,C.I.20065,CAS 61815-09-6,71566-54-6,925.81,C50H42Cl2N6O8,Cromophtal Red 2B,Micranyl Red 2B

C.I.Pigment Red 221,C.I.20065,CAS 61815-09-6,71566-54-6,925.81,C50H42Cl2N6O8,Cromophtal Red 2B,Micranyl Red 2B

Molecular Formula:C50H42Cl2N6O8

Molecular Weight: 925.81

CAS Registry Number:61815-09-6/71566-54-6

Manufacturing Methods : Isopropyl 3-amino-4-methylbenzoate (2 Moore) diazotization, and 1,4-Dichloro-2,5-bis(2-hydroxy-2-naphthamido)benzene coupling.

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

Light Fastness Heat resistance(℃ ) Sodium carbonate

(5%)

Muriatic acid

(5%)

Oleic acid PVC migration Soap micelle bleeding
Melting point Stable
6-7 210

(Good)

5 5 5 4-5 5

List of Suppliers:

Cromophtal Red 2B( Ciba Specialty Chemicals Inc )

Micranyl Red 2B-AQ ( Ciba Specialty Chemicals Inc )

Micranyl Red 2B-BQ( Ciba Specialty Chemicals Inc )

Microlith Red 2B-WA( Ciba Specialty Chemicals Inc )

Pigment Red 221 (CPMA)

Red VC-111 (Sumika Color Co Ltd)


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