FactSage Education (Free access)
What's New
- Important Notice for FactSage Education 8.4 Users: If the error "Unable to add or locate the ELEM database" appears at startup, please update your installation: Download the installer from FactSage.com, uninstall your current 8.4 version, and complete a fresh installation.
- FactSage Education 8.4 Has Arrived: Experience improved performance with our latest release (July 2025). If you are currently using version 8.3, we highly recommend upgrading: Download version 8.4 from FactSage.com, uninstall version 8.3, and perform a clean install of 8.4.
FactSage Education
FactSage Education is a lightweight, introductory edition of the powerful FactSage software. While primarily designed for academic institutions, it welcomes anyone to explore the fundamental capabilities of FactSage entirely free of charge. Please note that an active internet connection is required during startup and operation.
Restrictions
- With the 'Calculate Apps' - Reaction, EpH, Predom, Equilib, Phase Diagram - you can only enter up to 3 elements.
- Equilib and Phase Diagram can not be run simultaneously.
- Importing ChemSage files (*.dat, *.cst) is not permitted.
- Importing TDB files or translating TDB files into FactSage format is not permitted.
- There is no access to the following Apps due to restrictions on the elements:
OptiSage, CalphadOptimizer, Results, Viscosity. - There is no access to Macro Processing.
- There is no access to ChemApp for Python.
- There is no access to the FactSage Add-ons Menu.
- There is no server or client option - the package must be installed as a single user standalone installation in the folder c:\FactSageEdu.
- Your computer must be connected to the Internet. If the program can NOT access www.factsage.com then you can NOT run FactSageEdu.
- When you run FactSageEdu the program accesses www.factsage.com in order to validate the package. One or more text files are downloaded to c:\FactSageEdu. Depending on your settings, it may be necessary for you to give the program permission to download the files.
- There are no uploads - that is, no files are copied from your computer.
- FactSageEdu expires at the end of June 2026. This expiration date (2026-06-30) may be revised.
Available Thermodynamic Databases (Education Edition)
Compound Databases
Click any of the database nicknames below to review the full list of included substances.
| Nickname | Database Name | Features | Count of Pure Substances | Count of Phases |
|---|---|---|---|---|
| FactPS | FACT pure substances database | Pure Compounds (Gas, Liquid, Solid, and Aqueous Phases) | 5203 | 7373 |
Compound and Solution Databases
Click any database nickname to view the available phase diagrams generated from it. This list provides a practical guideline for assessing the analytical capabilities for various chemical systems.
| Nickname | Database Name | Features | Count of Phases |
|---|---|---|---|
| FToxid | FACT oxide database | Solid solutions and molten slags composed of ~20 elemental oxides (including Al2O3, B2O3, CaO, Cr2O3, FeO, Fe2O3, Li2O, MgO, MnO, Na2O, SiO2, Ti2O3, ZrO2) Target Materials are Molten slag, glass, ceramics, and refractories. | 111 |
| FTsulf | FACT sulfide database | Cu-Fe-Ni-Co-Cr-Mn-Pb-Zn-As-O-S system covering sulfides, liquid alloys, and alloys exhibiting BCC and FCC structures. | 19 |
| FTsalt | FACT salt database | Liquid solutions (molten salts) and solid solutions composed of salts consisting of 27 types of cations (e.g., Li, Na, K, Rb, Al, Fe(II), Fe(III), Ni, Zn, etc.) and 10 types of anions (e.g., F, Cl, NO3, OH, CO3, SO4, etc.). | 97 |
| FThall | FACT database for Hall aluminum process | Solutions and solid solutions containing cryolite, aluminum oxide, and other components. This database can be utilized for the thermodynamic analysis of aluminum smelting via the Hall-Héroult process. | 17 |
| FThelg | FACT aqueous (Helgeson) database | Dilute aqueous solutions, utilizing the Extended Debye-Hückel (Davies) and standard Debye-Hückel equations for thermodynamic modeling. | 3 |
| FTpulp | FACT pulp and paper database | Designed for pulp and paper industry applications, this database models alkali salts during black liquor combustion in recovery boilers. | 15 |
| FTOxCN | FACT high-T oxycarbonitride database | Al-(Si-Ca-Mg-Fe-Na)-C-O-N-S system covering SiAlONs and related multi-component ceramic phases. | 9 |
| FTfrtz | FACT fertilizer database | Optimized for chemical fertilizer development, this database comprehensive covers the three essential macro-nutrients (N, P, and K). | 17 |
| FTmisc | FACT sulfide, alloy, miscellaneous databases | Covers liquid steel (Fe-based alloys with Cu, Sn, Pb, etc.), the Hg-Cd-Zn-Te system, and aqueous solution phases. | 23 |
| FTionx | FACT ionic organics database | Ionic organics liquids | 8 |
| FTlite | FACT Al-alloy, Mg-Alloy and Ti-alloy databases | Al-, Mg-, and Ti-based solid and molten alloy systems. | 324 |
How to use FactSage Education?
Please refer to the FactSage.com for the Education Edition installation procedure.
A step-by-step Japanese instruction guide is available for download on our website.
