
Phenanthroline (phen) is a heterocyclic organic compound. It is a white solid that is soluble in organic solvents. It is used as a ligand in coordination chemistry, it forms strong complexes with most metal ions. In terms of its coordination properties, phen is similar to 2,2`-bipyridine (bipy). ==Synthesis== Phenanthroline may be prepared by two....
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http://en.wikipedia.org/wiki/Phenanthroline

• (n.) Either of two metameric nitrogenous hydrocarbon bases, C12H8N2, analogous to phenanthridine, but more highly nitrogenized.
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http://thinkexist.com/dictionary/meaning/phenanthroline/
Phe·nan'thro·line noun [
Phenanthr ene + quin
oline .]
(Chemistry) Either of two metameric nitrogenous hydrocarbon bases, C
12 H
8 N
2 , analogous to phenanthridine, but more highly nitrogenized.
Found on
http://www.encyclo.co.uk/webster/P/71
No exact match found.