Section: 9 | Organic dyes and pigments (OD) | Page: 590 |
IRUG filename: IOD00590 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Orange 73 (PO73), DPP Pigment, Polycyclic, CI561170 | Trade name(s): Irgazin DPP Orange RA |
CAS name: Pyrrolo[3,4-c]pyrrole-1,4-dione, 3,6-bis[4-(1,1-dimethylethyl)phenyl]-2,5-dihydro- | Sample source 1: Ciba-Geigy | Sample identifier 1: Irgazin DPP Orange RA |
Sample source 2: Washington State Patrol, Washington State Crime Laboratory | Source location 2: 2203 Airport Way South, Seattle, WA, 98104, US | Sample identifier 2: DPP Orange RA (Pigment Orange 73) |
Color: Bright orange | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) | Mode: Refl |
Literature Reference: Suzuki, Edward M. “Infrared Spectra of U.S. Automobile Original Topcoats (1974–1989): V. Identification of Organic Pigments Used in Red Nonmetallic and Brown Nonmetallic and Metallic Monocoats—DPP Red BO and Thioindigo Bordeaux.” Journal of Forensic Sciences, vol. 44, no. 2, 1999, pp. 297–313. | Originating institution name: Washington State Patrol, Crime Laboratory Division | Originating institution acronym: WSP |
Molecular formula: C26 H28 N2 O2 | CAS registry no: 84632-59-7 |
IRUG Structure Tracking #: 320 Common Name(s): Pigment Orange 73 (PO73); DPP Pigment; Polycyclic; CI561170 CAS Name: Pyrrolo[3,4-c]pyrrole-1,4-dione, 3,6-bis[4-(1,1-dimethylethyl)phenyl]-2,5-dihydro- CAS Registry No: 84632-59-7 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C26 H28 N2 O2 MW: 400.51 |