ABSTRACT
Properties: Colorless crystals with a slight ester-like odor. Mp: 158° C, decomposes at 172° C; fl p: nonflammable; pKa: 3.3 at 25 ° C (imide group); H-t1/2 (25 ° C): 15 hours (pH 2), 33 days (pH 5), >41 days (pH 7-9) and at 45° C: 2 hours (pH 2), 2 days (pH 5), 33 days (pH 9); KH: 3.1 · 10-9 atm · m3/mol at pH 7 and 25° C (approximate — calculated from water solubility and vapor pressure); log Koc: 1.54, 2.31 (Flanagan silt loam); log Kow: 0.00 (pH 5), –1.85 (pH 7); So (g/L at 20 ° C): acetone (36), ethanol (2.3), hexane (0.00079), methanol (7.3), methylene chloride (121), xylene (0.58); Sw (g/L at 25 ° C): 0.27 at pH 4.6, 1.1 at pH 5, 1.75 at pH 5.4, 9.5 g/L at pH 7.0; vp: 5.8 · 10-5 mmHg at 25° C.
