Hexane (C 6 H 14 )

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Hexane (C₆H₁₄)
Categories:	Fluid; Solvent
Key Words:	C6H14
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Physical Properties	Original Value	Comments

Density	0.6603 g/cc @Temperature 20.0 °C
Viscosity	0.30 cP @Temperature 25.0 °C
Molecular Weight	86.18 g/mol
Vapor Pressure	0.09869 atm @Temperature 9.80 °C
	121.244 torr @Temperature 20.0 °C
Surface Tension	17.89 dynes/cm	at 25°C; Gamma
	18.4 dynes/cm @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	29.8544 atm
Critical Temperature	234.48 °C
Critical Density	0.234 g/cc
Critical Molar Volume	368 cm³/mol

Electrical Properties	Original Value	Comments
Dielectric Constant	1.89

Thermal Properties	Original Value	Comments
Heat of Fusion	151.8 J/g	Enthalpy of fusion at normal melting point
Heat of Vaporization	334.8 J/g	Enthalpy of vaporization at normal boiling temperature
Specific Heat Capacity	2.268 J/g-°C
	1.659 J/g-°C @Temperature 25.0 °C	Vapor
Thermal Conductivity	0.120 W/m-K @Temperature 25.0 °C
	0.0234 W/m-K @Pressure 0.100 MPa, Temperature 127 °C	gas
	0.0354 W/m-K @Pressure 0.100 MPa, Temperature 227 °C	gas
	0.0487 W/m-K @Pressure 0.100 MPa, Temperature 327 °C	gas
Melting Point	-95.35 °C	At atmospheric pressure (760 torr)
Boiling Point	69.0 °C @Pressure 0.101 MPa

Optical Properties	Original Value	Comments
Refractive Index	1.3751 @Temperature 20.0 °C, Wavelength 589.3 nm	Na D line

Descriptive Properties
Antoine's Vapor Pressure A Parameter	15.8366
Antoine's Vapor Pressure B Parameter	2697.55
Antoine's Vapor Pressure C Parameter	-48.78
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	110-54-3
Chemical Formula	C₆H₁₄
Critical Compressibility (Zc)	0.26
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	738.3
Dynamic Viscosity Parameter B	366.11
Henry's Law Constant (atm m³/mol)	0.000343
Molar Heat Capacity (298K)	143.002 J/mol-K
Molar Heat Capacity of Vapor a Parameter	-4.4099
Molar Heat Capacity of Vapor b Parameter	0.5816
Molar Heat Capacity of Vapor c Parameter	-0.0003117
Molar Heat Capacity of Vapor d Parameter	6.489E-08
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K
UN Number	1208
UV cut-off (nm)	210

References for this datasheet.

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