The laser monitor technique was used to determine solubilities and supersolubilities of HNS in N, N-dimethylformamide, dimethyl sulfoxide, acetonitrile, N-methyl-2-pyrrolidone and 1,4-butyrolactone. The experimental solubility values were correlated with lambda h equation, modified Apelblat equation and NRTL model. Furthermore, the dissolution enthalpy, dissolution entropy and the Gibbs energy of HNS were calculated by the experimental data. The results show that the solubilities of HNS in the above solvents increase with the increasing temperature. Besides, at the same temperature, the order of solubility is N-methyl-2-pyrrolidone N dimethyl sulfoxide N N, N-dimethylformamide N 1,4-butyrolactone N acetonitrile. The temperature dependence of predicted solubility is in agreement with the experimental data. (C) 2016 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.