Section: 9 | Organic dyes and pigments (OD) | Page: 161 |
IRUG filename: ROD00161 | Data type: Raman | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Brown 25 (PBr25), 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-1Hbenzimidazol-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, Westminster, London SW1P 4RG, UK | Sample source 3: National Gallery of Art, Washington, DC, USA |
Source location 3: DCL-SR, Washington DC 20565 | Color: Opaque | Age: 2003, acquired |
MW (relative): 492.31, calculated | Application: Raman microscopy/microspectroscopy | Excitation source (nm): 633 |
Mode: Scat | Originating institution name: United States Naval Academy | Originating institution acronym: USNA |
Molecular formula: C24 H15 Cl2 N5 O3 | CAS registry no: 6992-11-6 | Other analytical methods: LD-MS (laser desorption mass spectrometry), FTIR (Fourier transform infrared spectroscopy) |