NIST/TRC Web Thermo Tables (WTT)

Professional Edition
NIST Standard Reference Subscription Database 3

WTT - Professional Edition, a Web version of the TRC Thermodynamic Tables, represents a complete collection of critically evaluated thermodynamic property data primarily for pure organic compounds. References to experimental data sources and information and methodology related to the evaluations can be found in complementary hard-copy publications:

Full access to WTT-Pro is available by subscription-only.

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WTT statistical information
Formula (case-sensitive):
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Molecular weight (approximate value or range, e.g. 20-30):
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