Category: Pharmaceutical intermediate English name: Tetrachloro-terephthalonitrile CAS No. :1897-41-2 Formula: C8N2CL4 molecular weight: 266 quality indicators: 1, Appearance: white powder 2, Content: m / m% ≥ 98.0 3, six chlorine Benzene: ppm ≤ 100 4, xylene insolubles: m / m% ≤ 0.3 5, pH :3.5 7 uses: tetrachlorophthalic terephthaloyl nitriles is an important organic intermediates, widely used in medicine, dye , pesticides and other fields. Packing: 25KG / Bag, 25KG / barrel, 500KG / bag.etrachloro-terephthalonitrile