Hydrazine, H 4 N 2

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Hydrazine, H₄N₂
Categories:	Fluid; Solvent
Key Words:	H4N2
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Physical Properties	Metric	English	Comments

Density	1.008 g/cc @Temperature 20.0 °C	0.03642 lb/in³ @Temperature 68.0 °F
Viscosity	0.968 cP @Temperature 20.0 °C	0.968 cP @Temperature 68.0 °F	Dynamic Viscosity
Molecular Weight	32.045 g/mol	32.045 g/mol
Vapor Pressure	0.01404 bar @Temperature 20.0 °C	10.53 torr @Temperature 68.0 °F

Chemical Properties	Metric	English	Comments
Critical Pressure	147 bar	110000 torr
Critical Temperature	380 °C	716 °F
Critical Density	0.334 g/cc	0.0121 lb/in³
Critical Molar Volume	96.0 cm³/mol	5.86 in³/mol

Electrical Properties	Metric	English	Comments
Magnetic Susceptibility	-0.000201	-0.000201	cm^3/mol

Thermal Properties	Metric	English	Comments
Heat of Fusion	393.2 J/g	169.2 BTU/lb
Heat of Vaporization	1397 J/g	601.0 BTU/lb
Specific Heat Capacity	1.657 J/g-°C @Temperature 25.0 °C	0.3960 BTU/lb-°F @Temperature 77.0 °F	Vapor
Melting Point	1.40 °C	34.5 °F
Boiling Point	113.6 °C	236.5 °F

Descriptive Properties
Antoine's Vapor Pressure A Parameter	17.9899
Antoine's Vapor Pressure B Parameter	3877.65
Antoine's Vapor Pressure C Parameter	-45.15
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)		P in mmHg and T in K
CAS Number	302-01-2
Chemical Formula	N₂H₄
Critical Compressibility (Zc)	0.26
Dipole moment (p/C.m)	1.001E-27
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	357.43
Dynamic Viscosity Parameter B	197.74
Molar Heat Capacity (298K)	53.084 J/mol-K
Molar Heat Capacity of Vapor a Parameter	9.7613
Molar Heat Capacity of Vapor b Parameter	0.1893
Molar Heat Capacity of Vapor c Parameter	-0.0001656
Molar Heat Capacity of Vapor d Parameter	6.021E-08
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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