Dicyanopyrazines and Analogs [Phthalocyanine Building Blocks] — includes aromatic and heterocyclic dinitrile compounds — mainly pyrazine, pyridine, and imidazole derivatives bearing two cyano groups — which serve as precursors for forming phthalocyanine macrocyclic rings. Their main role lies in the cyclotetramerization reaction that joins these units into macrocyclic frameworks.
Dicyanopyrazine and its analogs are used by organic chemists and functional materials researchers to construct phthalocyanine frameworks and derivatives such as azaphthalocyanines, which play a role in the development of dyes, pigments, photosensitizers, and organic semiconductor materials. Variations in substituents on the pyrazine or pyridine ring allow tuning of the electronic and optical properties of the resulting macrocycles.
Product examples in this collection: TCI T1472 36023-64-0 1,4,5,6-Tetrahydro-5,6-dioxo-2,3-pyrazinedicarbonitrile, TCI D1751 13481-25-9 2,3-Dicyanopyrazine, TCI A1292 40953-34-2 2-Amino-4,5-dicyano-1H-imidazole, TCI D2026 1122-28-7 4,5-Dicyanoimidazole, TCI P1218 17132-78-4 Pyridine-2,3-dicarbonitrile, TCI D2269 56413-96-8 5-Amino-6-chloro-2,3-dicyanopyrazine, TCI D2281 52197-12-3 2,3-Dicyano-5-methylpyrazine, TCI D2270 36023-58-2 5,6-Diamino-2,3-dicyanopyrazine.
Pay attention to the substitution pattern on the ring (positions of amino, halogen, or alkyl groups), as it affects the cyclotetramerization synthesis pathway and the electronic properties of the resulting phthalocyanine. All products are genuine Tokyo Chemical Industry (TCI) Japan products, with purity, packaging, and storage conditions listed on each item's page.
Other related categories under Phthalocyanine Building Blocks, often used together in a single laboratory workflow:
Back to Phthalocyanine Building Blocks. For large-volume procurement, special packaging, or specific grades, contact the AMI Scientific team — official distributor of TCI Japan in Indonesia — to check availability and lead time directly from Japan.
