Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 130

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Details

IRUG filename: IOD00130	Data type: Infrared	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Carminic acid, Natural Red 4, CI75470	CAS name: 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes	Source location 1: BASF, Ludwigshafen, Germany	Sample identifier 1: Carminic acid
Sample source 2: Getty Conservation Institute	Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049	Sample identifier 2: Carminic acid
Color: Red	Age: 1986, acquired	MW (relative): 492.39, calculated
Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)	Mode: Refl	Originating institution name: Getty Conservation Institute
Originating institution acronym: GCI	Molecular formula: C22 H20 O13	CAS registry no: 1260-17-9

Related Structure(s)

IRUG Structure Tracking #: 335 Common Name(s): Carminic acid; Natural Red 4; CI75470 CAS Name: 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- CAS Registry No: 1260-17-9 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C22 H20 O13 MW: 492.39