Section: 9 | Organic dyes and pigments (OD) | Page: 168 |
IRUG filename: IOD00168 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Catechin, Natural Brown 3, CI75250 | CAS name: C.I. Natural Brown 3 |
Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes | Source location 1: BASF, Ludwigshafen, Germany | Sample source 2: Getty Conservation Institute |
Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 | Age: 1986, acquired | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) |
Mode: Refl | Originating institution name: Getty Conservation Institute | Originating institution acronym: GCI |
Molecular formula: C15 H14 O6 | CAS registry no: 100786-01-4 |