# Chemical Information Sources/SIRCh/Physical Property Searches
##### Guides

* Index to Physical, Chemical, and Other Property Data (Arizona State University)
* SLA Chemistry Division Guide to Physical Property Data
* Finding Physical Properties of Chemicals: A Practical Guide for Scientists, Engineers, and Librarians (A. Ben Wagner)
* Properties Data for Chemicals & Materials (University at Buffalo)
* Materials Property Locator Database (University at Buffalo)
* Physical Properties Source Index (ETH)
* Thermodex: An Index of Selected Thermodynamic and Physical Property Resources (University of Texas)
* Nano, Quantum, Statistical Mechanics, and Thermodynamic Data and Property Calculation Web Sites
* Tables Relocated or Removed from the CRC Handbook of Chemistry and Physics
** Alphabetic List 71st through 93rd Editions (David R. Lide)
** Listed by Section Number 71st through 79th Editions (David R. Lide)

##### Periodic Table

* Google Web Directory: Periodic Table
* WebElements
* American Elements describes the research and uses of each of the elements, including properties, safety data and applications
* ChemiPlus Periodic Table
* Periodic Table plus Health and Environmental Data – Lenntech
* Periodic Table of the Elements at Los Alamos National Laboratory
* Chemicool Periodic Table
* EnvironmentalChemistry.com's Periodic Table of the Elements
* The Visual Elements Periodic Table
* Periodic Table of X-Ray Properties
* Periodic Table of the Isotopes
* The Biochemical Periodic Table
* Spiral Periodic Table
* Periodic Table Live! (John Moore).

##### Elements

* Atomic Weights of the Elements 2009 (IUPAC)
* Table of Nuclides (Wikipedia)
* Nuclear Science Series: Monographs on Radiochemistry and Radiochemical Techniques (National Academy of Sciences – National Research Council)

##### Biochemical Data

* Jena Library of Biological Macrmolecules
* Amino Acids

##### Physical Property Compilations

* TRAIL (Technical Report Archive and Image Library)
* Journal of Physical and Chemical Reference Data (JPCRD) (Check your OPAC for Monographs or Supplements)
* Physical Reference Data (US National Institute of Standards and Technology Physical Measurement Laboratory)
* NIST Publications Superseded by Databases
* NIST Standard Reference Data (US National Institute of Standards and Technology)
* NIST Data Gateway
* NIST Chemistry WebBook (NIST Standard Reference Data Program)
* NIST Chemistry WebBook (NIST Standard Reference Database 69: thermochemical, thermophysical, and ion energetic properties)
* NIST Chemical Kinetics Database on the Web (NIST Standard Reference Database 17)
* NDRL/NIST Solution Kinetics Database on the Web (NIST Standard Reference Database 40)
* IUPAC-NIST Solubility Database IUPAC-NIST Solubility Data Series (NIST Standard Reference Database 106)
* Fundamental Physical Constants from NIST: CODATA Internationally recommended values of the fundamental physical constants
* Fundamental Physical Constants (Free University of Berlin)
* CODATA Databases and Database Issues
* Knovel Free access to a number of older data compilations, including International Critical Tables
* Landolt-Börnstein Substance/Property Index (Name, CAS RN, MF, structure, etc.)
* Index to Physical, Chemical and Other Property Data (Arizona State University)
* Vapor Pressure Data, Part 1 (Shuzo Ohe)
* Vapor Pressure Data, Part 2 (Shuzo Ohe)
* VLE (Vapor Liquid Equilibrium) Prediction (Shuzo Ohe)
* Vapor Liquid Equilibrium Calculation (Shuzo Ohe)
* Gas Density at High Pressure (SRK eq.) (Shuzo Ohe)
* Distillation Computation (Shuzo Ohe)
* DIPPR Project 801
* ACD/Labs Physicochemical and ADMET Prediction
* InfoTherm (Thermophysical Properties Database from FIZ Chemie Berlin)
* ThermoDex; An Index of Selected Thermodynamic Data Handbooks (University of Texas)
* Thermodynamic and Transport Properties of Water and Steam
* Description of The Merck Index
* The PGM Database (Platinum Group Metals and Their Alloys)
* Organic Compounds Database (Colby College)
* Bordwell pKa Table (Acidity in DMSO) (University of Wisconsin)

##### Scientific Constants

* Guide for the Use of the International System of Units (SI) (NIST Special Publication 811; 1995 Edition)
* Science: Measurements and Units: Scientific Constants (Yahoo)
* Common Weights and Measures (College of Chemistry, University of California, Berkeley)

##### Property and Conversion Calculators

* Molinspiration Calculation of Molecular Properties
* Sheffield ChemPuter
* FU-Berlin's Conversion of Units Calculator
* How Many: A Dictionary of Units of Measurement (Russ Rowlett, University of North Carolina, Chapel Hill)
* Molecular Weight Calculation (enter a molecular formula)
* Conversion Factors for Energy Equivalents (NIST)
* Temperature Conversion Calculator (College of Chemistry, University of California, Berkeley)
* Thermo Chemical Properties Estimations (cannot calculate Aromatic and Halogen compounds)

##### Miscellaneous Sources for Physical Property Data

* INIS International Nuclear Information System Database
* ChemBioFinder
* ChemSpider
* PubChem
* "Glossary of Terms Used in Physical Organic Chemistry. IUPAC Recommendations 1994," Pure Appl. Chem. 1994, 66, 1077–1184.
* German-English Terms for Physical Properties in Beilstein
* Mol-Instincts Property data, spectra, and other information based on Quantum Mechanics and QSPR.