Section: 9 | Organic dyes and pigments (OD) | Page: 522 |
IRUG filename: IOD00522 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Red 221 (PR221), Disazo Condensation, Azo, CI20065 | Trade name(s): Cromophtal Red 2B |
CAS name: Benzoic acid, 3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)-2,1-diazenediyl]]bis[4-methyl-, 1,1'-bis(1-methylethyl) ester | Sample source 1: Ciba | Sample identifier 1: Cromophtal Red 2B |
Sample source 2: Tate Gallery | Source location 2: Millbank, London, SW1P 4RG, UK | Color: Red |
Application: MFTIR (Fourier transform infrared microspectroscopy) | Mode: Tran | Originating institution name: Tate Gallery |
Originating institution acronym: TG | Molecular formula: C50 H42 Cl2 N6 O8 | CAS registry no: 71566-54-6 |