Indigotine Blue

 
Sample ID:
PK94160
Origin:
Artificial
Chemical Information:
Indigocarmine, C16H8N2Na2O8S2
Sample Type:
Reference material
Description:
Powder sample
History of use:
Starting with the 18th c.
Sample Source:
Kremer Pigments
Alternative names:
Acid Blue 74, Indigo Carmine, Saxon Blue
Material Class:
Organic dyes and pigments, synthetic
Acquisition Conditions:
Attenuated Total Reflectance (ATR) mode
Resolution: 4 cm-1
Scans: 128
Range: 4000-380 cm-1