Cha, Sunyoung published the artcileNegative solvatochromism of merocyanine dyes: Application as water content probes for organic solvents, Quality Control of 606-55-3, the publication is Sensors and Actuators, B: Chemical (2011), 157(1), 14-18, database is CAplus.
Two new merocyanine dyes derived from 7-hydroxycoumarin were prepared, and their signaling ability to detect water content in organic solvents was investigated. The dyes exhibited a pronounced neg. solvatochromism, and dramatic changes in absorption spectra and λ max as a function of water content were observed Solvatochromic behavior was pronounced in regions of less than 5% water content; therefore, these dyes could be used as chromogenic probes for detecting water in common water miscible organic solvents.
Sensors and Actuators, B: Chemical published new progress about 606-55-3. 606-55-3 belongs to iodides-buliding-blocks, auxiliary class Quinoline,Salt, name is 1-Ethyl-2-methylquinolin-1-ium iodide, and the molecular formula is C12H14IN, Quality Control of 606-55-3.
Referemce:
https://en.wikipedia.org/wiki/Iodide,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com