Lucifer Yellow CH lithium salt (LY CH lithium salt) is a widely used polar molecular tracer for studying neuronal morphology. The fluorescent molecule contains a carbohydrazide that allow the molecule to be aldehyde-fixable. The lithium salt form of Lucifer Yellow is in an aqueous solution format that is ready for microinjection.    &lamba;Ex/&lamba; Em=428/536 nm  Yellow solution. Store at room temperature and protect from light.  C13H9Li2N5O9S2  MW: 457  [67769-47-5]