Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
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Product 320056 is the monohydrate form and 131377 has no specification on water content. Both can make a copper complex, since they are the same ligand.
Sigma-Aldrich does not have any references for the use of 1,10-phenanthroline in cell culture.
1,10-Phenanthroline is soluble in methanol at 500 micrograms per mL, or in water at 3 milligrams per mL. It is also soluble in benzene and acetone.
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