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Interactive IRUG Spectrum

Section: 9 Organic dyes and pigments (OD) Page: 378

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


Details

IRUG filename:
IOD00378
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 23 (PR23), Naphthol AS, Azo, CI12355
Trade name(s):
Crimson Lake
CAS name:
2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methoxy-5-nitrophenyl)diazenyl]-N-(3-nitrophenyl)-
Sample source 1:
Sun Chemical
Sample identifier 1:
Crimson Lake
Sample source 2:
Institute for the Protection of Cultural Heritage of Slovenia, Restoration Center, Polonca Ropret
Source location 2:
Poljanska 40, SI-1000 Ljubljana, Slovenia
Sample identifier 2:
CI12355
Sample source 3:
Philadelphia Museum of Art, Scientific Laboratory
Source location 3:
Box 7646, Philadelphia, PA, 19101, US
Color:
Bluish red
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Literature Reference:
Herbst, W. and Hunger, K., "Industrial Organic Pigments: Production, Properties, Applications" 3rd Edition, Wiley-VCH 2004.
Originating institution name:
Institute for the Protection of Cultural Heritage of Slovenia
Originating institution acronym:
ZVKDS
Molecular formula:
C24 H17 N5 O7
CAS registry no:
6471-49-4