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Section: 9 Organic dyes and pigments (OD) Page: 129

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Details

IRUG filename:
ROD00129
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Red Pigment 68 (PR68), β-Naphthol, Ca, Azo Lake (Salt Type), CI15525
Trade name(s):
Permanentrottoner NCR, Permanent Red Toner NCR
CAS name:
Benzoic acid, 2-​chloro-​5-​[2-​(2-​hydroxy-​1-​naphthalenyl)​diazenyl]​-​4-​sulfo-​, calcium sodium salt (2:1:2)
Sample source 1:
Farbwerke Hoechst AG
Sample identifier 1:
Permanentrottoner NCR
Sample source 2:
Historical Dye Collection, Dresden University of Technology (TU)
Source location 2:
Helmholtzstr. 10, Dresden, DE
Sample source 3:
Bern University of the Arts, Art Technological Laboratory
Source location 3:
Fellerstrasse 11, CH-3027 Bern, Switzerland
Application:
Raman microscopy/microspectroscopy
Excitation source (nm):
785
Mode:
Scat
Literature Reference:
Scherrer, Nadim C., Zumbuehl Stefan, Delavy Francoise, Fritsch Annette, and Kuehnen Renate. "Synthetic Organic Pigments of the 20th and 21st Century Relevant to Artist's Paints: Raman Spectra Reference Collection." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 73.3 (2009): 505-24.
Originating institution name:
Bern University of the Arts (BUA), Art Technological Laboratory
Originating institution acronym:
HKB
Molecular formula:
C17 H9 Cl N2 O6 S * 1/2 Ca * N
CAS registry no:
5850-80-6