diff --git a/interfaces/matlab/toolbox/CarbonDioxide.m b/interfaces/matlab/toolbox/CarbonDioxide.m
new file mode 100644
index 000000000..c54ae1f7d
--- /dev/null
+++ b/interfaces/matlab/toolbox/CarbonDioxide.m
@@ -0,0 +1,20 @@
+function c = CarbonDioxide()
+% CARBONDIOXIDE  Return an object representing carbon dioxide.
+% c = CarbonDioxide
+% The object returned by this method implements an accurate equation of
+% state for carbon dioxide that can be used in the liquid, vapor, saturated
+% liquid/vapor, and supercritical regions of the phase diagram. The
+% equation of state is taken from
+%
+% Reynolds, W. C. *Thermodynamic Properties in SI: graphs, tables, and
+% computational equations for forty substances.* Stanford: Stanford
+% University, 1979. Print.
+%
+% For more details, see classes Cantera::PureFluid and tpx::CarbonDioxide in the
+% Cantera C++ source code documentation.
+%
+% :return:
+%     Instance of class :mat:func:`Solution`
+%
+
+c = Solution('liquidvapor.xml', 'carbondioxide');
diff --git a/interfaces/matlab/toolbox/HFC134a.m b/interfaces/matlab/toolbox/HFC134a.m
new file mode 100644
index 000000000..6d8bd7fb9
--- /dev/null
+++ b/interfaces/matlab/toolbox/HFC134a.m
@@ -0,0 +1,21 @@
+function h = HFC134a()
+% HFC134A  Return an object representing refrigerant HFC134a.
+% h = HFC134a()
+% The object returned by this method implements an accurate equation of
+% state for refrigerant HFC134a (R134a)  that can be used in the liquid,
+% vapor, saturated liquid/vapor, and supercritical regions of the phase
+% diagram. Implements the equation of state given in:
+% R. Tillner-Roth and H.D. Baehr. "An International Standard Formulation for
+% The Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for
+% Temperatures From 170 K to 455 K and Pressures up to 70 MPa". J. Phys.
+% Chem. Ref. Data, Vol. 23, No. 5, 1994. pp. 657--729.
+% http://dx.doi.org/10.1063/1.555958
+%
+% For more details, see classes Cantera::PureFluid and tpx::HFC134a in the
+% Cantera C++ source code documentation.
+%
+% :return:
+%     Instance of class :mat:func:`Solution`
+%
+
+h = Solution('liquidvapor.xml', 'hfc134a');
diff --git a/interfaces/matlab/toolbox/Heptane.m b/interfaces/matlab/toolbox/Heptane.m
new file mode 100644
index 000000000..e109bc489
--- /dev/null
+++ b/interfaces/matlab/toolbox/Heptane.m
@@ -0,0 +1,20 @@
+function h = Heptane()
+% HEPTANE  Return an object representing n-heptane.
+% h = Heptane()
+% The object returned by this method implements an accurate equation of
+% state for n-heptane that can be used in the liquid, vapor, saturated
+% liquid/vapor, and supercritical regions of the phase diagram. The
+% equation of state is taken from
+%
+% Reynolds, W. C. *Thermodynamic Properties in SI: graphs, tables, and
+% computational equations for forty substances.* Stanford: Stanford
+% University, 1979. Print.
+%
+% For more details, see classes Cantera::PureFluid and tpx::Heptane in the
+% Cantera C++ source code documentation.
+%
+% :return:
+%     Instance of class :mat:func:`Solution`
+%
+
+h = Solution('liquidvapor.xml', 'heptane');