| Section: 9 | Organic dyes and pigments (OD) | Page: 512 | 
IRUG filename: IOD00512  | Data type: Infrared  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Thioindigo, Indigo, unsubstituted, Polycyclic, CI73300  | CAS name: Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-  | 
Sample source 1: Schminke  | Source location 1: Otto-Hahn-Strasse 2, D-40699 ErkrathH, Germany  | Sample source 2: Institute for the Protection of Cultural Heritage of Slovenia, Restoration Center, Polonca Ropret  | 
Source location 2: Poljanska 40, SI-1000 Ljubljana, Slovenia  | Sample identifier 2: CI#73000  | Sample source 3: Philadelphia Museum of Art, Scientific Laboratory  | 
Source location 3: Box 7646, Philadelphia, PA, 19101, US  | Color: Dark blue  | Application: MFTIR (Fourier transform infrared microspectroscopy)  | 
Mode: Tran  | Literature Reference: Herbst, W. and Hunger, K., "Industrial Organic Pigments: Production, Properties, Applications" 3rd Edition, Wiley-VCH 2004.  | Originating institution name: Institute for the Protection of Cultural Heritage of Slovenia  | 
Originating institution acronym: ZVKDS  | Molecular formula: C16 H8 O2 S2  | CAS registry no: 522-75-8  | 
IRUG Structure Tracking #: 373 Common Name(s): Indigo; Indigotin; Pigment Blue 66; PB66; CI 73000 (SYNTHETIC) Chemical Name(s): 2,2'-Bis(2,3-dihydro-3-oxoindolylidene) CAS Name: 3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- CAS Registry No: 482-89-3 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C16 H10 N2 O2 MW: 262.26  |