| Section: 9 | Organic dyes and pigments (OD) | Page: 147 | 
IRUG filename: IOD00147  | Data type: Infrared  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Luteolin, Natural Yellow 2, CI75590, Flavone  | Chemical/botanical name(s): 5,7,3',4'-Tetrahydroxyflavone  | 
CAS name: 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-  | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes  | Source location 1: BASF, Ludwigshafen, Germany  | 
Sample identifier 1: Luteolin  | Sample source 2: Getty Conservation Institute  | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049  | 
Sample identifier 2: Luteolin  | Color: Yellow  | Age: 1986, acquired  | 
MW (relative): 286.24, calculated  | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)  | Mode: Refl  | 
Originating institution name: Getty Conservation Institute  | Originating institution acronym: GCI  | Molecular formula: C15 H10 O6  | 
CAS registry no: 491-70-3  | 
IRUG Structure Tracking #: 865 Common Name(s): Luteolin Chemical Name(s): 5,7,3',4'-Tetrahydroxyflavone CAS Name: 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy- CAS Registry No: 491-70-3 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C15 H10 O6 MW: 286.24  |