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Section: 9 Organic dyes and pigments (OD) Page: 91

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


Details

IRUG filename:
IOD00091
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Hedge bedstraw, Natural Red 14, CI75420
Chemical/botanical name(s):
Galium mollugo L.
CAS name:
2-​Anthracenecarboxylic acid, 9,​10-​dihydro-​1,​3,​4-​trihydroxy-​9,​10-​dioxo-
Sample source 1:
Helmut Schweppe Collection of Early Synthetic Dyes
Source location 1:
BASF, Ludwigshafen, Germany
Sample identifier 1:
Hedge Bedstraw
Sample source 2:
Getty Conservation Institute
Source location 2:
The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049
Sample identifier 2:
Hedge Bedstraw
Color:
Bluish red
Age:
1986, acquired
Application:
DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)
Mode:
Refl
Originating institution name:
Getty Conservation Institute
Originating institution acronym:
GCI
Molecular formula:
C15 H8 O7
CAS registry no:
476-41-5
Other analytical methods:
UV/VIS spectroscopy