Interactive IRUG Spectrum

Details

IRUG filename:
IOD00038
Data type:
Infrared
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Cotton Scarlet, Acid Red 73, Disazo, CI27290
Trade name(s):
Cotton Scarlet
CAS name:
1,​3-​Naphthalenedisulfoni​c acid, 7-​hydroxy-​8-​[2-​[4-​(2-​phenyldiazenyl)​phenyl]​diazenyl]​-​, sodium salt (1:2)
Sample source 1:
Helmut Schweppe Collection of Early Synthetic Dyes
Source location 1:
BASF, Ludwigshafen, Germany
Sample identifier 1:
Cotton Scarlet
Sample source 2:
Getty Conservation Institute
Source location 2:
The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049
Sample identifier 2:
Cotton Scarlet
Color:
Yellowish 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:
C22 H14 N4 O7 S2 * 2 Na
CAS registry no:
5413-75-2

Related Structure(s)

IRUG Structure Tracking #: 1247
Common Name(s): Acid Red 73; Disazo; CI27290
CAS Name: 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2)
CAS Registry No: 5413-75-2
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C22 H14 N4 O7 S2 * 2 Na
MW: 556.48