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Section: 9 Organic dyes and pigments (OD) Page: 639

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


Details

IRUG filename:
ROD00639
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Red 62 (PR62), Azo, Ba, Azo Lake (Salt Type), CI23295
Trade name(s):
Azowalkrot B, Azowal Red B
CAS name:
2,​7-​Naphthalenedisulfoni​c acid, 4,​4'-​[(2,​2'-​dimethyl[1,​1'-​biphenyl]​-​4,​4'-​diyl)​bis(2,​1-​diazenediyl)​]​bis[3-​hydroxy-​, barium salt (1:2)
Sample source 1:
Chemische Fabrik Griesheim Elektron (Griesheim-El.)
Sample identifier 1:
Azowalkrot B
Sample source 2:
Dresden University of Technology (TU), Historical Dye Collection
Source location 2:
Helmholtzstr. 10, Dresden, DE
Sample identifier 2:
Ref. 5711
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:
C34 H22 N4 O14 S4 * 2 Ba
CAS registry no:
109823-18-9