Method for producing naphthalimide diester fluorescent dye and composition thereof

摘要

PROBLEM TO BE SOLVED: To provide processes for producing compounds useful as fluorescent tracer dyes for fluid system leak detection, and compositions comprising the compounds.SOLUTION: A specific naphthalimide diol or a mixture thereof is reacted with a specific ester or a mixture thereof to obtain a naphthalimide diester compound or a mixture thereof.SELECTED DRAWING: None