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Interactive IRUG Spectrum

Section: 9 Organic dyes and pigments (OD) Page: 172

 Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
IOD00172
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Naturindigo, ordinary, Manila, Natural indigo, Natural Blue 1 (NB1), CI75790
CAS name:
3H-​Indol-​3-​one, 2-​(1,​3-​dihydro-​3-​oxo-​2H-​indol-​2-​ylidene)​-​1,​2-​dihydro-
Sample source 1:
Helmut Schweppe Collection of Early Synthetic Dyes
Source location 1:
BASF, Ludwigshafen, Germany
Sample identifier 1:
Naturindigo
Sample source 2:
Getty Conservation Institute
Source location 2:
The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049
Sample identifier 2:
Naturindigo
Age:
1986, acquired
Application:
DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)
Mode:
Refl
Cross reference to additional spectra:
UV/VIS spectroscopy
Originating institution name:
Getty Conservation Institute
Originating institution acronym:
GCI
CAS registry no:
482-89-3