The solubility of dibenz[a.h]anthracene in water at 25°C was reported to be 2.15 × 109 mol(1) L1 sln. With the assumption that 1.00 L sln = 1.00 kg sln, the corresponding mass percent and mole fraction, x1, calculated by the compiler are 5.84 × 108 g(1)/100 g sln and 3.88 × 1011.