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Section: 9 Organic dyes and pigments (OD) Page: 590

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


Details

IRUG filename:
ROD00590
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 49 (PR49), β-Naphthol, Na, Azo Lake (Salt Type), CI15630
Trade name(s):
Lithol Rood R, Lithol Red R
CAS name:
1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
Sample source 1:
Delft University of Technology (TU Delft)
Source location 1:
Delft, NL
Sample identifier 1:
Lithol Rood R
Sample source 2:
Cultural Heritage Agency of the Netherlands (RCE)
Source location 2:
Hobbemastraat 22, Amsterdam, NL
Sample identifier 2:
Ref. 3963
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Red
MW (relative):
401.39, 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:
C20 H13 N2 O4 S * Na
CAS registry no:
1248-18-6