Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 530

  Copyright © 1993-2024 Infrared and Raman Users Group (IRUG) 

Details

IRUG filename: ROD00530	Data type: Raman	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 220 (PR220), Disazo Condensation, Azo, CI20055	Trade name(s): Cromophtal Red G
CAS name: Benzoic acid, 3,3'-[(2,5-dimethyl-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)-2,1-diazenediyl]]bis[4-methyl-, 1,1'-bis(2-chloroethyl) ester	Sample source 1: Ciba	Sample identifier 1: Cromophtal Red G
Sample source 2: Getty Conservation Institute	Source location 2: 1200 Getty Center Dr., Los Angeles, CA, US	Sample identifier 2: SP21060
Sample source 3: Royal Institute for Cultural Heritage (KIK/IRPA)	Source location 3: Jubelpark 1, 1000 Brussels, BE	Color: Red
Application: Raman microscopy	Excitation source (nm): 785	Mode: Scat
Literature Reference: Fremout, W., & Saverwyns, S. (2012). Identification of synthetic organic pigments: the role of a comprehensive digital Raman spectral library. Journal of Raman Spectroscopy, 43(11), 1536–1544.	Originating institution name: Royal Institute for Cultural Heritage	Originating institution acronym: KIK/IRPA
Molecular formula: C50 H42 Cl2 N6 O8	CAS registry no: 68259-05-2

Related Structure(s)

IRUG Structure Tracking #: 238 Common Name(s): Pigment Red 220 (PR220); Disazo condensation; CI20055 CAS Name: Benzoic acid, 3,3'-[(2,5-dimethyl-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)-2,1-diazenediyl]]bis[4-methyl-, 1,1'-bis(2-chloroethyl) ester CAS Registry No: 68259-05-2 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C50 H42 Cl2 N6 O8 MW: 925.81