3-Nitro Phthalonitrile Manufacturer and Phthalocyanine Pigment Intermediate Supplier PRODUCT 3 Nitro Phthalo Nitrile Synonyms 2,3-Dicyano-1-nitrobenzene CAS # 51762-67-5 Empirical Formula C8H3N3O2 Purity 98% M.W. 173.13 Melting POINT 162 °C