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Section: 9 Organic dyes and pigments (OD) Page: 338

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


Details

IRUG filename:
ROD00338
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Brown 23 (PBr23), Disazo Condensation, Azo, CI20060
Trade name(s):
Cromophtal Brown 5R
CAS name:
2-Naphthalenecarboxamide, N,N'-(2-chloro-1,4-phenylene)bis[4-[2-(4-chloro-2-nitrophenyl), diazenyl]-3-hydroxy
Sample source 1:
Ciba
Sample identifier 1:
Cromophtal Brown 5R
Sample source 2:
Getty Conservation Institute
Source location 2:
1200 Getty Center Dr., Los Angeles, CA, US
Sample identifier 2:
SP21246
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Brown
Application:
Raman microscopy
Excitation source (nm):
785
Mode:
Scat
Literature Reference:
Fremout, W., Saverwyns, S. "Identification of synthetic, organic pigments: the role of a comprehensive digital Raman spectral library" J. Raman Spectrosc. 43 (2012): 1536-1544.
Originating institution name:
Royal Institute for Cultural Heritage
Originating institution acronym:
KIK/IRPA
Molecular formula:
C40 H23 Cl3 N8 O8
CAS registry no:
35869-64-8