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Interactive IRUG Spectrum
| Section: 9 | Organic dyes and pigments (OD) | Page: 599 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IOD00599 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Brown 25 (PBr 25), 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: Hoechst Celanese | Sample identifier 1: Hostaperm Brown HFR-01 |
Sample source 2: Washington State Patrol, Washington State Crime Laboratory | Source location 2: 2203 Airport Way South, Seattle, WA, 98104, US | Sample identifier 2: Benzimidazolone Brown (Pigment Brown 25) |
Color: Brown | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) | Mode: Refl |
Literature Reference: Suzuki, Edward W., and William P. Marshall. “Infrared Spectra of U.S. Automobile Original Topcoats (1974–1989): III. In Situ Identification of Some Organic Pigments Used in Yellow, Orange, Red, and Brown Nonmetallic and Brown Metallic Finishes—Benzimidazolones.” Journal of Forensic Sciences, vol. 42, no. 4, 1997, pp. 619–648. | Originating institution name: Washington State Patrol, Crime Laboratory Division | Originating institution acronym: WSP |
Molecular formula: C24 H15 Cl2 N5 O3 | CAS registry no: 6992-11-6 |