Section: 9 | Organic dyes and pigments (OD) | Page: 176 |
IRUG filename: IOD00176 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): 6,6'-Dibromoindigo | Chemical/botanical name(s): Indigotin, 6,6'-dibromo- |
CAS name: 3H-Indol-3-one, 6-bromo-2-(6-bromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes | Source location 1: BASF, Ludwigshafen, Germany |
Sample identifier 1: 6,6'-Dibromoindigo | Sample source 2: Getty Conservation Institute | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 |
Sample identifier 2: 6,6'-Dibromoindigo | Color: Bluish purple | 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: C16 H8 Br2 N2 O2 | CAS registry no: 19201-53-7 |
IRUG Structure Tracking #: 289 Common Name(s): 6,6'-Dibromoindirubin; Natural Violet 1 (NV1) constituent CAS Name: 2H-Indol-2-one, 6-bromo-3-(6-bromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,3-dihydro- CAS Registry No: 171565-08-5 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C16 H8 Br2 N2 O2 MW: 420.05 |