1. Home>
  2. Search IRUG Spectral Database>
  3. Interactive IRUG Spectrum

Interactive IRUG Spectrum

Section: 9 Organic dyes and pigments (OD) Page: 525

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


Details

IRUG filename:
ROD00525
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 237 (PR237), Naphthol AS, Lake, Azo Lake (Salt Type)
Trade name(s):
Pigment Scarlet BL
Sample source 1:
Sanyo
Sample identifier 1:
Pigment Scarlet BL
Sample source 2:
Getty Conservation Institute
Source location 2:
1200 Getty Center Dr., Los Angeles, CA, US
Sample identifier 2:
SP21063
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Red
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:
C25 H19 Cl N3 O6 S * ½ Ba
CAS registry no:
220424-27-1