Section: 9 | Organic dyes and pigments (OD) | Page: 454 |
IRUG filename: ROD00454 | Data type: Raman | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Red Pigment 112 (PR112), cosmic ray peaks at 999 & 580 cm-1, Naphthol AS, Azo, CI12370 | Trade name(s): Permanent Red FGR |
CAS name: 2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methylphenyl)-4-[2-(2,4,5-trichlorophenyl)diazenyl]- | Sample source 1: Clariant | Sample identifier 1: Permanent Red FGR |
Sample source 2: Tate Gallery, Thomas Learner | Source location 2: Millbank, SW1P 4RG, London, UK | Sample identifier 2: PR112, Permanent Red FGR |
Sample source 3: National Gallery of Art | Source location 3: DCL-SR, Washington DC 20565 | Color: Opaque, red |
Age: 2003, acquired | MW (relative): 484.76, 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 H16 Cl3 N3 O2 | CAS registry no: 6535-46-2 |
Other analytical methods: LD-MS (laser desorption mass spectrometry), FTIR (Fourier transform infrared spectroscopy) |
IRUG Structure Tracking #: 311 Common Name(s): Pigment Red 112 (PR112); Naphthol AS; CI12370 CAS Name: 2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methylphenyl)-4-[2-(2,4,5-trichlorophenyl)diazenyl]- CAS Registry No: 6535-46-2 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C24 H16 Cl3 N3 O2 MW: 484.76 |