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Physical Properties


EQUATION OF STATE (MARTIN-HOU)



where :

T_r = T/T_c, P_r = P/P_c, V_r = V/V_c
X = 3.685762
B = 0.009513153
K = 5.475
T_c,P_c,V_c = 339.45(K), 36.43(bar), 1.751312(L/kg)

A₁,B₁,C₁ = -7.748641802, 4.4996033087, -114.26505136
A₂,B₂,C₂ = -1.8088636988, -2.5593329642, -129.74457028
A₃,B₃,C₃ = 15.96164382, 0, 0
A₄,B₄,C₄ = 0, -9.9629079414, 0

EXTENDED ANTOINE EQUATION

              B
Ln(P) = A + ----- + DT + ELn(T)
            C + T

	P	=	vapour pressure bara
	T	=	Temperature K
	A	=	123.350822
	B	=	-5279.0166
	C	=	0
	D	=	0.034879
	E	=	-20.257816

LATENT HEAT VAPORISATION

	DHvap	=	A + Bx + Cx2 + Dx3 + Ex4
	where x	=	(1-(T/Tc))(1/3)

	A	=	0	T = Temperature K
	B	=	141.38271	Tc = Critical Temperature K
	C	=	265.38518
	D	=	-185.8791	DHvap kJ/kg
	E	=	0

IDEAL GAS HEAT CAPACITY

C_p(ideal) = A + BT + CT² + DT³ + E/T²

	A	=	0.1300002	T = Temperature K
	B	=	2.903442E-3
	C	=	-2.464006E-6	Cp(ideal) kJ/kg.K
	D	=	7.535681E-10
	E	=	275.9235

SATURATED LIQUID ENTHALPY

	H liq	=	A + Bx + Cx2 + Dx3 + Ex4
	where x	=	(1-(T/Tc))(1/3)

	A	=	111.247356	T = Temperature K
	B	=	735.97007	Tc = Critical Temperature K
	C	=	-2204.192	H liq kJ/kg
	D	=	2089.1032
	E	=	-920.266

LIQUID DENSITY

	d liq	=	A + Bx + Cx2 + Dx3 + Ex4
	where x	=	(1-(T/Tc))(1/3)

	A	=	0.571	T = Temperature K
	B	=	1.242204	Tc = Critical Temperature K
	C	=	-1.022325	d liq kg/1
	D	=	3.172936
	E	=	-2.182125

LIQUID VISCOSITY

Ln(μ) _liq = A + B/T + C/T² + D/T³

	A	=	-7.960888	T = Temperature K
	B	=	2540.2298	μ liq cP
	C	=	-222149.2
	D	=	0

LIQUID THERMAL CONDUCTIVITY

	K liq	=	A + Bx + Cx2 + Dx3
	where x	=	(1-(T/Tc))(1/3)

	A	=	0.07332	T = Temperature K
	B	=	-0.152878	Tc = Critical Temperature K
	C	=	0.258195	K liq W/m.K
	D	=	0

SATURATED VAPOUR DENSITY

	d vap	=	A + Bx + C2 + Dx3 + Ex4
	where x	=	(1-(T/Tc))(1/3)

			-50 TO 0°C
	A	=	0	T = Temperature K
	B	=	2811.8939	Tc = Critical. Temperature K
	C	=	-10220	d vap kg/m3
	D	=	12351.154
	E	=	-4959.483
			0°C TO Tc
	A	=	292.02525
	B	=	1210.5433
	C	=	-7054.443
	D	=	9725.3037
	E	=	-4216.572

VAPOUR VISCOSITY (SAT VAPOUR)

μ _vap = A + BT + CT² + DT³

	A	=	-0.019461	T = Temperature K
	B	=	3.345E-4	μ vap cP
	C	=	-1.38032E-6
	D	=	2.129395E-9

VAPOUR THERMAL CONDUCTIVITY (SAT VAPOUR)

K_gas = A + BT + CT² + DT³

	A	=	-0.0654	T = Temperature K
	B	=	8.63E-4	Kgas W/m.K
	C	=	-2.5575E-6
	D	=	5.2763E-9

The correlations in this data sheet should not be used outside the applicable ranges quoted. Contact Mexichem Fluor for further advice.

Information contained in this publication, or as otherwise supplied to the Users is believed to be accurate and given in good faith, but it is for the User to satisfy itself of the suitability for its own particular purpose. Mexichem Fluor gives no warranty as to the fitness of the Product for any particular purpose and any implied warranty or condition (statutory or otherwise) is excluded except to the extent that such exclusion is prevented by law. Mexichem Fluor accepts no liability for loss or damage (other than that arising from death or personal injury caused by defective product, if proved), resulting from reliance on this information. Freedom under Patent, Copyright and Design cannot be assumed. KLEA® and Mexichem Fluor® are trademarks of Mexichem SAB de C.V. Mexichem UK Limited is Registered in England No 07088219. Registered Office, The Heath Business & Technical Park, Runcorn, Cheshire, WA7 4QX.