Nitromethane, CH 3 NO 2

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Nitromethane, CH₃NO₂
Categories:	Fluid; Solvent
Key Words:	CH3NO2
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Physical Properties	Original Value	Comments

Density	1.138 g/cc @Temperature 20.0 °C
Viscosity	0.648 cP @Temperature 20.0 °C	Dynamic Viscosity
Molecular Weight	61.041 g/mol
Vapor Pressure	25.491 torr @Temperature 20.0 °C
Surface Tension	37 dynes/cm @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	62.3 atm
Critical Temperature	315 °C
Critical Density	0.353 g/cc
Critical Molar Volume	173 cm³/mol

Thermal Properties	Original Value	Comments
Heat of Vaporization	563.8 J/g
Specific Heat Capacity	0.939 J/g-°C @Temperature 25.0 °C	Vapor
Thermal Conductivity	0.2074 W/m-K @Temperature 20.0 °C
Melting Point	-28.6 °C
Boiling Point	101.3 °C

Optical Properties	Original Value	Comments
Refractive Index	1.394 @Wavelength 589.3 nm	n_D

Descriptive Properties
Antoine's Vapor Pressure A Parameter	16.2193
Antoine's Vapor Pressure B Parameter	2972.64
Antoine's Vapor Pressure C Parameter	-64.15
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	75-52-5
Chemical Formula	CH₃NO₂
Critical Compressibility (Zc)	0.224
Dipole moment (p/C.m)	1.034E-27
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	452.5
Dynamic Viscosity Parameter B	261.21
Henry's Law Constant (atm m³/mol)	0.000286
Molar Heat Capacity (298K)	57.294 J/mol-K
Molar Heat Capacity of Vapor a Parameter	7.4182
Molar Heat Capacity of Vapor b Parameter	0.1977
Molar Heat Capacity of Vapor c Parameter	-0.0001081
Molar Heat Capacity of Vapor d Parameter	2.084E-08
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K
UN Number	1261
UV cut-off (nm)	380

References for this datasheet.

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