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Interactive IRUG Spectrum

Section: 9 Organic dyes and pigments (OD) Page: 528

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


Details

IRUG filename:
ROD00528
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 223 (PR223), Naphthol AS, Azo, CI125075
Trade name(s):
Irgazin Red
CAS name:
2-Naphthalenecarboxamide, 4-[2-[2-chloro-5-[[(2,4,5-trichlorophenyl)amino]carbonyl]phenyl], diazenyl]-3-hydroxy-N-1-naphthalenyl-
Sample source 1:
Ciba Geigy
Sample identifier 1:
Irgazin red
Sample source 2:
Guerra Paint & Pigment
Sample identifier 2:
Unknown
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Red
MW (relative):
674.36, calculated
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:
C34 H20 Cl4 N4 O3
CAS registry no:
26789-26-4