Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 132

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Details

IRUG filename: IOD00132	Data type: Infrared	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Lapachol, Natural Yellow 16, CI75490	CAS name: 1,4-Naphthalenedione, 2-hydroxy-3-(3-methyl-2-buten-1-yl)-
Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes	Source location 1: BASF, Ludwigshafen, Germany	Sample identifier 1: Lapachol
Sample source 2: Getty Conservation Institute	Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049	Sample identifier 2: Lapachol
Color: Yellow to reddish orange	Age: 1986, acquired	Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)
Mode: Refl	Originating institution name: Getty Conservation Institute	Originating institution acronym: GCI
CAS registry no: 84-79-7