... -2 Pa m3 mol-1 (calc.) S.g./density 1.24 (20 ) Solubility In water 0.004 mg/l (pH 7). In ... , xylene >450, ethanol 337, hexane 103 (all in g/l, 20 ). Stability Relatively stable in neutral and weakly acidic media, with ... d (pH 9, 25 ); stable at pH 5 and 7 (20 ). Relatively stable to light in field situations. Thermally stable up ...