Section: 9 | Organic dyes and pigments (OD) | Page: 280 |
IRUG filename: ROD00280 | Data type: Raman | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Red 237 (PR237) w/ cosmic peaks @ 2126, 2121 cm-1, Naphthol AS lake, Azo Lake (Salt Type) | Trade name(s): Pigment Scarlet BL |
CAS name: C.I. Pigment Red 237 | Sample source 1: Sanyo | Sample identifier 1: Pigment Scarlet BL |
Sample source 2: Tate Gallery, Tom Learner | Source location 2: Millbank, London, SW1P4RG, London, UK | Sample identifier 2: PR237 Pigment Scarlet BL |
Sample source 3: Winterthur Museum | Source location 3: 5105 Kennett Pike, Winterthur, DE, 19735, US | Color: Yellowish red |
MW (relative): 662.28, calculated | Application: Raman microscopy/microspectroscopy | Excitation source (nm): 785 |
Mode: Scat | Originating institution name: Winterthur Museum | Originating institution acronym: WM |
Molecular formula: C25 H19 N3 O6 S Cl Ba | CAS registry no: 220424-27-1 |