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	Metric	English	Comments

Density	1.2351 g/cc @Temperature 20.0 °C	0.044621 lb/in³ @Temperature 68.0 °F
Viscosity	0.779 cP @Temperature 25.0 °C	0.779 cP @Temperature 77.0 °F
	0.816 cP @Temperature 20.0 °C	0.816 cP @Temperature 68.0 °F	Dynamic Viscosity
Molecular Weight	98.96 g/mol	98.96 g/mol
Vapor Pressure	0.082645 bar @Temperature 20.0 °C	61.989 torr @Temperature 68.0 °F
	0.1000 bar @Temperature 23.7 °C	75.00 torr @Temperature 74.7 °F
Surface Tension	31.86 dynes/cm	31.86 dynes/cm	at 25°C; Gamma
	32.57 dynes/cm @Temperature 20.0 °C	32.57 dynes/cm @Temperature 68.0 °F

Chemical Properties	Metric	English	Comments
Critical Pressure	53.7 bar	40300 torr
Critical Temperature	288 °C	550 °F
Critical Density	0.450 g/cc	0.0163 lb/in³
Critical Molar Volume	220 cm³/mol	13.4 in³/mol

Electrical Properties	Metric	English	Comments
Dielectric Constant	10.36	10.36
	10.65	10.65

Thermal Properties	Metric	English	Comments
Heat of Fusion	89.33 J/g	38.43 BTU/lb	Enthalpy of fusion at normal melting point
Heat of Vaporization	323.4 J/g	139.1 BTU/lb
Specific Heat Capacity	0.782 J/g-°C @Temperature 25.0 °C	0.187 BTU/lb-°F @Temperature 77.0 °F	Vapor
Thermal Conductivity	0.135 W/m-K @Temperature 20.0 °C	0.937 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	-35.7 °C	-32.3 °F	At atmospheric pressure (760 torr)
Boiling Point	83.5 °C @Pressure 0.101 MPa	182 °F @Pressure 14.7 psi

Optical Properties	Metric	English	Comments
Refractive Index	1.4448 @Temperature 20.0 °C, Wavelength 589.3 nm	1.4448 @Temperature 68.0 °F, 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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