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Section: 9 Organic dyes and pigments (OD) Page: 512

 Copyright © 1993-2025 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
ROD00512
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 258 (PR258), Naphthol AS, Azo, CI12318
Trade name(s):
Suimei Fast Red LG
CAS name:
2-​Naphthalenecarboxami​de, 3-​hydroxy-​4-​[2-​[2-​methoxy-​5-​[(phenylmethyl)​sulfonyl]​phenyl]​diazenyl]​-​N-​phenyl-
Sample source 1:
Sansui
Sample identifier 1:
Suimei Fast Red LG
Sample source 2:
Getty Conservation Institute
Source location 2:
1200 Getty Center Dr., Los Angeles, CA, US
Sample identifier 2:
SP21076
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Red
MW (relative):
551.61, 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:
C31 H25 N3 O5 S
CAS registry no:
57301-22-1

Related Structure(s)

IRUG Structure Tracking #: 359
Common Name(s): Pigment Red 258 (PR258); Naphthol AS; CI12318
CAS Name: 2-​Naphthalenecarboxami​de, 3-​hydroxy-​4-​[2-​[2-​methoxy-​5-​[(phenylmethyl)​sulfonyl]​phenyl]​diazenyl]​-​N-​phenyl-
CAS Registry No: 57301-22-1
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C31 H25 N3 O5 S
MW: 551.61