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Section: 9 Organic dyes and pigments (OD) Page: 363

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Details

IRUG filename:
ROD00363
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Orange 31 (PO31), Disazo Condensation, Azo, CI20050
Trade name(s):
Cromophtalorange 4R
CAS name:
2-Naphthalenecarboxamide, N,N'-(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis[4-[2-(2-, chlorophenyl)diazenyl]-3-hydroxy
Sample source 1:
Ciba
Sample identifier 1:
Cromophtalorange 4R
Sample source 2:
Historical Dye Collection, Dresden University of Technology (TU)
Source location 2:
Helmholtzstr. 10, Dresden, DE
Sample identifier 2:
Ref. 8906
Sample source 3:
Royal Institute for Cultural Heritage (KIK/IRPA)
Source location 3:
Jubelpark 1, 1000 Brussels, BE
Color:
Orange
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:
C46 H28 Cl4 N6 O4
CAS registry no:
5280-74-0