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Section: 9 Organic dyes and pigments (OD) Page: 335

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Details

IRUG filename:
ROD00335
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Brown 42 (PBr42), Disazo Condensation, Azo, CI200552
Trade name(s):
Cromophtal Brown RBN
Chemical/botanical name(s):
Azo
CAS name:
1,4-Benzenedicarboxylic acid, 2,2'-[(2,5-dimethyl-1,4-phenylene)bis[iminocarbonyl(2-hydroxy3,1-naphthalenediyl)-2,1-diazenediyl]]bis-, 1,1',4,4'-tetrakis(1-methylethyl) ester
Sample source 1:
Ciba Geigy
Sample identifier 1:
Cromophtal Brown RBN
Sample source 2:
Guerra Paint & Pigment
Sample identifier 2:
Unknown
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Brown
Application:
Raman microscopy
Excitation source (nm):
785
Mode:
Scat
Literature Reference:
Fremout, W., Saverwyns, S. "Identification of synthetic, organic pigments: the role of a comprehensive digital Raman spectral library" J. Raman Spectrosc. 43 (2012): 1536-1544.
Originating institution name:
Royal Institute for Cultural Heritage
Originating institution acronym:
KIK/IRPA
Molecular formula:
C58 H56 N6 O12
CAS registry no:
80648-58-4