| Section: 9 | Organic dyes and pigments (OD) | Page: 125 | 
IRUG filename: IOD00125  | Data type: Infrared  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Chinalizarin, Quinalizarin, Mordant Violet 26, Anthraquinone, CI58500  | Chemical/botanical name(s): 1,2,5,8-Tetrahydroxyanthraquinone  | 
CAS name: 9,10-Anthracenedione, 1,2,5,8-tetrahydroxy-  | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes  | Source location 1: BASF, Ludwigshafen, Germany  | 
Sample identifier 1: Chinalizarin  | Sample source 2: Getty Conservation Institute  | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049  | 
Sample identifier 2: Chinalizarin  | Color: Reddish violet  | Age: 1986, acquired  | 
MW (relative): 272.21, calculated  | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)  | Mode: Refl  | 
Originating institution name: Getty Conservation Institute  | Originating institution acronym: GCI  | Molecular formula: C14 H8 O6  | 
CAS registry no: 81-61-8  | 
IRUG Structure Tracking #: 220 Common Name(s): Quinalizarin; Mordant Violet 26; CI58500 Chemical Name(s): 1,2,5,8-Tetrahydroxyanthraquinone CAS Name: 9,10-Anthracenedione, 1,2,5,8-tetrahydroxy- CAS Registry No: 81-61-8 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C14 H8 O6 MW: 272.21   |