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Section: 9 Organic dyes and pigments (OD) Page: 514

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


Details

IRUG filename:
ROD00514
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 256 (PR256), Naphthol AS, Azo, CI124635
Trade name(s):
Scarlet 3RLF p
CAS name:
2-Naphthalenecarboxamide, 4-[2-[2,5-dichloro-4-[(dimethylamino)sulfonyl]phenyl]diazenyl]-, 3-hydroxy-N-(2-methoxyphenyl)-
Sample source 1:
Clariant Scarlet 3RLF p
Sample identifier 1:
Scarlet 3RLF
Sample source 2:
Getty Conservation Institute
Source location 2:
1200 Getty Center Dr., Los Angeles, CA, US
Sample identifier 2:
SP21074
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Red
MW (relative):
573.45, 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:
C26 H22 Cl2 N4 O5 S
CAS registry no:
79102-65-1