3,8-Diethynyl-1,10-phenanthroline(CAS: 640297-84-3)

3,8-Diethynyl-1,10-phenanthroline is a compound with the CAS number 640297-84-3. It consists of a phenanthroline ring with two acetylene groups attached at the 3 and 8 positions. This compound is known for its color and its ability to form stable complexes with transition metals.

3,8-Diethynyl-1,10-phenanthroline is used in analytical chemistry for complexometric titrations, particularly for the determination of transition metals. It is also utilized in the synthesis of other compounds and as a ligand in coordination chemistry.

3,8-Diethynyl-1,10-phenanthroline is generally safe for use under proper handling conditions. However, it should be used with caution as it may irritate the skin and eyes. Protective gloves and safety goggles are recommended during handling. Proper ventilation is also necessary.

3,8-Diethynyl-1,10-phenanthroline should be stored in a cool, dry place away from direct sunlight. It should be kept in a tightly sealed container to prevent degradation. The storage temperature should not exceed 25°C, and the relative humidity should be kept below 50% to avoid moisture absorption.