Privacy Policy:

The apps VaporCalc and AntoineVP do not collect, save or distribute user data.

The bulk of the data was derived from "The Yaws Handbook of Vapor Pressure (Antoine Coefficients)", Carl Y. Yaws, Second Edition (2015), Gulf Professional Publishing [Link]. Data sets were also taken from publically available, online sources, including ECBC, DTIC, NIH, and NIST.