Interactive IRUG Spectrum

Details

IRUG filename:
IOD00643
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Indigotin, Acid Blue 74, Indigoid, CI73015
Trade name(s):
Indigotine I
Chemical/botanical name(s):
5,5′-Indigodisulfonic acid disodium salt
CAS name:
1H-​Indole-​5-​sulfonic acid, 2-​(1,​3-​dihydro-​3-​oxo-​5-​sulfo-​2H-​indol-​2-​ylidene)​-​2,​3-​dihydro-​3-​oxo-​, sodium salt (1:2)
Sample source 1:
IG Farb. Ind. (IGF)
Source location 1:
Frankfurt, Germany
Sample identifier 1:
Indigotine I, Indigotin I
Sample source 2:
Technological Collection of the Institute of the Science & Technology in Art (ISTA Collection)
Source location 2:
Academy of Fine Arts, Schillerplatz 3, A-1010, Vienna, AT
Sample identifier 2:
Inv. No. 693, Indigotine I, Indigoider Farbstoff
Color:
Greenish blue
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Academy of Fine Arts, Vienna
Originating institution acronym:
AFAV
Molecular formula:
C16 H8 N2 O8 S2 * 2 Na
CAS registry no:
860-22-0
Other analytical methods:
XRF (x-ray fluorescence)
  

Related Structure(s)

IRUG Structure Tracking #: 1157
Common Name(s): Acid Blue 74; Indigoid; CI73015
CAS Name: 1H-​Indole-​5-​sulfonic acid, 2-​(1,​3-​dihydro-​3-​oxo-​5-​sulfo-​2H-​indol-​2-​ylidene)​-​2,​3-​dihydro-​3-​oxo-​, sodium salt (1:2)
CAS Registry No: 860-22-0
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C16 H8 N2 O8 S2 * 2 Na
MW: 466.35