Interactive IRUG Spectrum

Details

IRUG filename:
IOD00739
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Direct Black 38, Trisazo, CI30235
Trade name(s):
Chlorazol Black EN 240
CAS name:
2,​7-​Naphthalenedisulfoni​c acid, 4-​amino-​3-​[2-​[4'-​[2-​(2,​4-​diaminophenyl)​diazenyl]​[1,​1'-​biphenyl]​-​4-​yl]​diazenyl]​-​5-​hydroxy-​6-​(2-​phenyldiazenyl)​-​, sodium salt (1:2)
Sample source 1:
ICI
Sample identifier 1:
Chlorazol Black EN 240
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. 515, Chlorazol Black EN 240
Color:
Black
Age:
Oct 25, 1956, dated
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Academy of Fine Arts, Vienna
Originating institution acronym:
AFAV
Molecular formula:
C34 H25 N9 O7 S2 * 2 Na
CAS registry no:
1937-37-7
Other analytical methods:
XRF (x-ray fluorescence)

Related Structure(s)

IRUG Structure Tracking #: 1240
Common Name(s): Direct Black 38; Trisazo; CI30235
CAS Name: 2,​7-​Naphthalenedisulfoni​c acid, 4-​amino-​3-​[2-​[4'-​[2-​(2,​4-​diaminophenyl)​diazenyl]​[1,​1'-​biphenyl]​-​4-​yl]​diazenyl]​-​5-​hydroxy-​6-​(2-​phenyldiazenyl)​-​, sodium salt (1:2)
CAS Registry No: 1937-37-7
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C34 H25 N9 O7 S2 * 2 Na
MW: 781.73