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Section: 9 Organic dyes and pigments (OD) Page: 558

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


Details

IRUG filename:
ROD00558
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 141 (PR141), Disazo, CI20044
Trade name(s):
Cromophtalrot 2R, Cromophthal Red 2R
CAS name:
2-​Naphthalenecarboxami​de, N,​N'-​[1,​1'-​biphenyl]​-​4,​4'-​diylbis[4-​[(5-​chloro-​2-​methylphenyl)​azo]​-​3-​hydroxy-
Sample source 1:
Ciba
Sample identifier 1:
Cromophtalrot 2R 664898
Sample source 2:
Dresden University of Technology (TU), Historical Dye Collection
Source location 2:
Helmholtzstr. 10, Dresden, DE
Sample identifier 2:
Ref. 8909
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Red
MW (relative):
829.73, 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:
C48 H34 Cl2 N6 O4
CAS registry no:
3864-06-0