Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 37,C.I.21205

Molecular Structure: Double azo

C.I.Pigment Red 37,C.I.21205,CAS 6883-91-6,642.71,C36H34N8O4,Hostaprint Red G 32,Hostasin Red G

Molecular Formula:C₃₆H₃₄N₈O₄

Molecular Weight: 642.71

CAS Registry Number:6883-91-6

Manufacturing Methods :3,3′-Dimethoxylbenzidine double nitrogen, and 3-Methyl-1-p-tolyl-1H-pyrazol-5(4H)-one(2 Moore) coupling.

Properties and Applications:yellow red. Insoluble in water, slightly soluble in ethanol and xylene.

List of Suppliers:

Hostaprint Red G 32( Clariant GmbH )

Hostasin Red G( Clariant GmbH )

Vulcan FastRed G [FIAT]( Hoechst A G )