2-Methylheptane, C 8 H 18

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2-Methylheptane, C₈H₁₈
Categories:	Fluid; Solvent
Key Words:	C8H18
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Physical Properties	Original Value	Comments

Density	0.702 g/cc @Temperature 20.0 °C
Viscosity	0.519 cP @Temperature 20.0 °C	Dynamic Viscosity
Molecular Weight	114.232 g/mol
Vapor Pressure	15.635 torr @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	24.5 atm
Critical Temperature	287 °C
Critical Density	0.234 g/cc
Critical Molar Volume	488 cm³/mol

Thermal Properties	Original Value	Comments
Heat of Vaporization	296 J/g
Specific Heat Capacity	1.648 J/g-°C @Temperature 25.0 °C	Vapor
Thermal Conductivity	0.1246 W/m-K @Temperature 20.0 °C
Melting Point	-109.2 °C
Boiling Point	117.7 °C

Descriptive Properties
Antoine's Vapor Pressure A Parameter	15.9278
Antoine's Vapor Pressure B Parameter	3079.63
Antoine's Vapor Pressure C Parameter	-59.46
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	592-27-8
Chemical Formula	C₈H₁₈
Critical Compressibility (Zc)	0.26
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	643.61
Dynamic Viscosity Parameter B	259.91
Molar Heat Capacity (298K)	188.231 J/mol-K
Molar Heat Capacity of Vapor a Parameter	-89.64
Molar Heat Capacity of Vapor b Parameter	1.2414
Molar Heat Capacity of Vapor c Parameter	-0.0001175
Molar Heat Capacity of Vapor d Parameter	4.615E-07
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K

References for this datasheet.

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