Cryptocyanine

Name:
Cryptocyanine
Detailed information:

Chemistry name:	1,1′-diethyl-4,4′-carbocyanine iodide
M Formula:	C25H25N2I
Properties:
Solid. Mp 250–255.
Use:
Organic dye, soluble, used as a chemical shutter in laser operation.

See Cyanine Dye.