1,2-Dichloroethane (ClCH 2 CH 2 Cl)

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1,2-Dichloroethane (ClCH₂CH₂Cl)
Categories:	Fluid; Solvent
Key Words:	Ethane,1,2-dichloro; Ethylene dichloride; ClCH2CH2Cl
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Physical Properties	Original Value	Comments

Density	1.2351 g/cc @Temperature 20.0 °C
Viscosity	0.779 cP @Temperature 25.0 °C
	0.816 cP @Temperature 20.0 °C	Dynamic Viscosity
Molecular Weight	98.96 g/mol
Vapor Pressure	0.09869 atm @Temperature 23.7 °C
	61.989 torr @Temperature 20.0 °C
Surface Tension	31.86 dynes/cm	at 25°C; Gamma
	32.57 dynes/cm @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	53.0 atm
Critical Temperature	288 °C
Critical Density	0.450 g/cc
Critical Molar Volume	220 cm³/mol

Electrical Properties	Original Value	Comments
Dielectric Constant	10.36
	10.65

Thermal Properties	Original Value	Comments
Heat of Fusion	89.33 J/g	Enthalpy of fusion at normal melting point
Heat of Vaporization	323.4 J/g
Specific Heat Capacity	0.782 J/g-°C @Temperature 25.0 °C	Vapor
Thermal Conductivity	0.135 W/m-K @Temperature 20.0 °C
Melting Point	-35.7 °C	At atmospheric pressure (760 torr)
Boiling Point	83.5 °C @Pressure 0.101 MPa

Optical Properties	Original Value	Comments
Refractive Index	1.4448 @Temperature 20.0 °C, Wavelength 589.3 nm	Na D line

Descriptive Properties
Antoine's Vapor Pressure A Parameter	16.1764
Antoine's Vapor Pressure B Parameter	2927.17
Antoine's Vapor Pressure C Parameter	-50.22
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	107-06-2
Chemical Formula	C₂H₄Cl₂
Critical Compressibility (Zc)	0.25
Dipole moment (p/C.m)	6.004E-28
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	473.95
Dynamic Viscosity Parameter B	277.98
Molar Heat Capacity (298K)	77.429 J/mol-K
Molar Heat Capacity of Vapor a Parameter	20.4723
Molar Heat Capacity of Vapor b Parameter	0.2309
Molar Heat Capacity of Vapor c Parameter	-0.0001437
Molar Heat Capacity of Vapor d Parameter	3.387E-08
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K
UV cut-off (nm)	228

References for this datasheet.

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