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Section: 9 Organic dyes and pigments (OD) Page: 556

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


Details

IRUG filename:
ROD00556
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Red Pigment 146 (PR146), Naphthol AS, Azo, CI12485
CAS name:
2-​Naphthalenecarboxami​de, N-​(4-​chloro-​2,​5-​dimethoxyphenyl)​-​3-​hydroxy-​4-​[2-​[2-​methoxy-​5-​[(phenylamino)​carbonyl]​phenyl]​diazenyl]​
Sample source 1:
Stoopen & Meeus
Sample source 2:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 2:
Jubelpark 1, 1000 Brussels, BE
Sample identifier 2:
CP#2932 (PR146 A)
Color:
Red
MW (relative):
611.04, 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:
C33 H27 Cl N4 O6
CAS registry no:
5280-68-2