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Physical Properties


EQUATION OF STATE (MARTIN-HOU)


where :

T = T/T_c, P = P/P_c, V = V/V_c
R = 4.1509476
B = 0.01192297
K = 5.31739894
T_c,P_c,V_c = 351.5(K), 58.16(bara), 2.3269002(kg/m³)

A₁,B₁,C₁ = -10.47170476, 4.895856639, -233.2634214
A₂,B₂,C₂ = 3.127688966, 0.2564391307, 398.4680176
A₃,B₃,C₃ = -1.0511293328, -0.885886076954, -23.142277902
A₄,B₄,C₄ = 1.256535631, -0.32839756434, -131.77719294

EXTENDED ANTOINE EQUATION

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

	P	=	Vapour pressure bara
	T	=	Temperature K
	A	=	92.68133
	B	=	-4461.955
	C	=	0
	D	=	0.0251695
	E	=	-14.46098

LATENT HEAT VAPORISATION

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

	A	=	0	T = Temperature K
	B	=	460.559	Tc = Crit. Temperature K
	C	=	-264.095
	D	=	1096.477	DHvap kJ/kg
	E	=	-824.465

IDEAL GAS HEAT CAPACITY

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

	A	=	0	T = Temperature K
	B	=	3.03038E-3
	C	=	-1.85301E-6	Cp(ideal) kJ/kg.K
	D	=	4.25732E-10
	E	=	6779.01

SATURATED LIQUID ENTHALPY

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

	A	=	298.64037	T = Temperature K
	B	=	-48.8867	Tc = Crit. Temperature K
	C	=	-447.832	H liq kJ/kg
	D	=	128.8216
	E	=	-244.749

LIQUID DENSITY

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

	A	=	429.76	T = Temperature K
	B	=	610.355	Tc = Crit. Temperature K
	C	=	1372.037	d liq kg/m3
	D	=	-1962.64
	E	=	1370.341

LIQUID VISCOSITY

Ln(μ) _liq = A + B/T + C/T² + D/T³

	A	=	-12.45463	T = Temperature K
	B	=	5476.52	μ liq cP
	C	=	-864518.5
	D	=	43341140

LIQUID THERMAL CONDUCTIVITY

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

	A	=	-4.238406E-2	T = Temperature K
	B	=	0.6534304	Tc = Crit. Temperature K
	C	=	-1.030478	K liq W/m.K
	D	=	0.7898551

SATURATED VAPOUR DENSITY

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

			-50°C TO Tc
	A	=	315.804	T = Temperature K
	B	=	134.076	Tc = Crit. Temperature K
	C	=	3124.34	d vap kg/m3
	D	=	4689.73
	E	=	-2010.48

VAPOUR VISCOSITY (SAT VAPOUR)

μ _vap = A + BT + CT² + DT³

	A	=	-0.0538923	T = Temperature K
	B	=	7.67120E-4	μ vap cP
	C	=	-3.117805E-6
	D	=	4.339438E-9

VAPOUR THERMAL CONDUCTIVITY (SAT VAPOUR)

K_gas = A + BT + CT² + DT³

	A	=	-0.832941	T = Temperature K
	B	=	9.61477E-3	Kgas W/m.K
	C	=	-3.66827E-5
	D	=	4.688257E-8

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.