闪点	46 °C
沸点	118-120 ℃(lit.)
密度	1.332(lit.)
储存条件	Moisture sensitive

A useful synthesis of isocyanates has been described involving oxidation of monoamides of oxalic acid (prepared from methyl oxalyl chloride and a primary amine) with peroxydisulfate catalyzed by Ag and Cu salts: J. Org. Chem., 60, 5430 (1995).