N, N-* (industrial, pharmaceutical grade) N, N-* (N, N-Dimethylacetamide) ? Chemical name: N, N-* ? formula: CH3CON (CH3) 2 Molecular weight: 87.12 ? Item Index medical grade Industrial grade chromatographic excellent content,% ≥ 99.85 99.6 Water content PPm ≤ 300 300 PH value (200g / L, 25 ℃) 4-6 / acid content (as HAC), PPm ≤ / 100 alkali content (as DMA), PPm ≤ 1020 Color Pt-Co ≤ 10 10 ? Properties and Uses: colorless transparent liquid, miscible with water and most organic solvents, is a polar solvent. Boiling point 166oC, melting point-20oC, relative density (d420) 0.9429, refractive index (nD20) 1.4373, flash point 70oC (open cup). Mainly used in medicine, polyamide resin solvent, pesticides, etc., are also used C8 solvent distilled from the extractive distillation separation of styrene. Also widely used polymer film, and paint. Currently in medicine and pesticides used to synthesize a large number of antibiotics and pesticides. * Aprotic polar solvent is a good solvent for many organic reactions. Also be used as a catalyst and synthetic materials. ? Packaging and storage: Net content 190 kg / drum or 10,000 kilograms special cans should be sealed and stored in a cool dry place, avoid sunlight-absorbent and not close to the fire source, handling should beat light. Hits: 106 Update Time :2009-09-24 17:10:27 【Print this page】 【Close】