1. MarketsandMarkets Research Private Ltd. 2017
2. The Dow Chemical Company 2015
3. Hoechst Celanese Corporation 1995 WO 95/08525 Unruh , J.D. Pieper , W.L. Pass , M.C.
4. Data from DIPPR (Design Institute for Physical Property Data)
5. Thermodynamics Research Center 1987