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Section: 9 Organic dyes and pigments (OD) Page: 263

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


Details

IRUG filename:
ROD00263
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Brown 25 (PBr25) (w/ cosmic ray peak at 3025 cm-1), Benzimidazolone, Azo, CI12510
Trade name(s):
Hostaperm Brown HFR 01
CAS name:
2-Naphthalenecarboxamide, 4-[2-(2,5-dichlorophenyl)diazenyl]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-
Sample source 1:
Clariant
Sample identifier 1:
Hostaperm Brown HFR 01
Sample source 2:
Tate Gallery, Tom Learner
Source location 2:
Millbank, London, SW1P4RG, London, UK
Sample identifier 2:
PBr25, Hostaperm Brown HFR 01
Sample source 3:
Winterthur Museum
Source location 3:
5105 Kennett Pike, Winterthur, DE, 19735, US
Color:
Reddish brown
MW (relative):
491.06, calculated
Application:
Raman microscopy/microspectroscopy
Excitation source (nm):
785
Mode:
Scat
Originating institution name:
Winterthur Museum, Garden & Library
Originating institution acronym:
WM
Molecular formula:
C24 H15 Cl2 N5 O3
CAS registry no:
6992-11-6