Section: 9 | Organic dyes and pigments (OD) | Page: 456 |
IRUG filename: ROD00456 | Data type: Raman | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Red 2 (PR2), Naphthol AS, Azo, CI12310 | Trade name(s): Heuco Rot 300202, Heuco Red 300202 |
CAS name: 2-Naphthalenecarboxamide, 4-[2-(2,5-dichlorophenyl)diazenyl]-3-hydroxy-N-phenyl- | Sample source 1: Heubach | Sample identifier 1: Heuco Rot 300202 |
Sample source 2: Tate Gallery, Tom Learner | Source location 2: Millbank, London, SW1P4RG, London, UK | Sample identifier 2: PR2, Heuco Rot 300202 |
Sample source 3: National Gallery of Art | Source location 3: DCL-SR, Washington DC 20565 | Color: Opaque, red |
Age: 2003, acquired | MW (relative): 436.29, calculated | Application: Raman microscopy/microspectroscopy |
Excitation source (nm): 633 | Mode: Scat | Originating institution name: United States Naval Academy |
Originating institution acronym: USNA | Molecular formula: C23 H15 Cl2 N3 O2 | CAS registry no: 6041-94-7 |
Other analytical methods: LD-MS (laser desorption mass spectrometry), FTIR (Fourier transform infrared spectroscopy) |
IRUG Structure Tracking #: 439 Common Name(s): Pigment Red 2 (PR2); Naphthol AS; Azo; Cl12310 CAS Name: 2-Naphthalenecarboxamide, 4-[(2,5-dichlorophenyl)azo]- 3-hydroxy-N-phenyl- CAS Registry No: 6041-94-7 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C23 H15 Cl2 N3 O2 MW: 436.29 |