Manufacturing 2,9-Dimethyl-o- Phenanthroline Hemihydrate 34302-69-7 Available with Competitive Price

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Name: Neocuproine hemihydrate

Other name: 2,9-Dimethyl-1,10-phenanthroline hemihydrate; 2,9-Dimethyl-1,10–diazaphenanthrene hemihydrate; 2,9-Dimethyl-o- phenanthroline hemihydrate

CAS: 34302-69-7

EINECS: 207-601-9

MF: C14H14N2O 

MW: 226.27

MP: 160-164oC

Appearance: off-white or pale-yellow powder

Purity: 99%min.

Package: 100g, 1Kg, 5Kg, 25Kg


Neocuproine hemihydrate is also named as 2,9-Dimethyl-1,10-phenanthroline hemihydrate; 2,9-Dimethyl- 1,10–diazaphenanthrene hemihydrate; 2,9-Dimethyl-o-phenanthroline hemihydrate. Neocuproine crystallizes as a hemihydrate and a dihydrate as well as a hydrated hydrochloride salt. The structure of the dihydrate features a p-stacking motif, with additional hydrogen bonding between the basic nitrogen centers and water.

In the early 1930s, phenanthroline derivatives became known for their use as colorimetric indicators for many transition metals. Neocuproine proved to be highly selective for copper(I). The resulting complex, Cu(neocuproine)2+ has a deep orange-red color. The properties of copper(I) neocuproine complexes have been widely studied, e.g. for the preparation of catenane and rotaxane complexes. The copper-catalyzed release of NO+ (nitrosonium) from S-Nitrosothiols is inhibited by neocuproine.



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