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Section: 9 Organic dyes and pigments (OD) Page: 766

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Details

IRUG filename:
IOD00766
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Acid Orange 33, Disazo, CI24780
Trade name(s):
Coomassie Orange G 150
CAS name:
1,​3-​Naphthalenedisulfoni​c acid, 7-​hydroxy-​8-​[2-​[4-​[1-​[4-​[2-​(4-​hydroxyphenyl)​diazenyl]​phenyl]​cyclohexyl]​phenyl]​diazenyl]​-​, sodium salt (1:2)
Sample source 1:
ICI
Sample identifier 1:
Coomassie Orange G 150
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. 819, Coomassie Orange G 150
Color:
Reddish orange
Age:
Oct 15, 1958
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Academy of Fine Arts, Vienna
Originating institution acronym:
AFAV
Molecular formula:
C34 H28 N4 O8 S2 * 2 Na
CAS registry no:
6507-77-3
Other analytical methods:
XRF (x-ray fluorescence)

Related Structure(s)

IRUG Structure Tracking #: 1248
Common Name(s): Acid Orange 33; Disazo; CI24780
CAS Name: 1,​3-​Naphthalenedisulfoni​c acid, 7-​hydroxy-​8-​[2-​[4-​[1-​[4-​[2-​(4-​hydroxyphenyl)​diazenyl]​phenyl]​cyclohexyl]​phenyl]​diazenyl]​-​, sodium salt (1:2)
CAS Registry No: 6507-77-3
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C34 H28 N4 O8 S2 * 2 Na
MW: 730.72