Chemical Properties of Hydrazine, 1-butyl-1-methyl- (CAS 20240-62-4)

InChI

InChI=1S/C5H14N2/c1-3-4-5-7(2)6/h3-6H2,1-2H3

InChI Key

OEEGQMYUIKPQMM-UHFFFAOYSA-N

Formula

C5H14N2

SMILES

CCCCN(C)N

Molecular Weight¹

102.18

CAS

20240-62-4

Other Names

• 1-Butyl-1-methylhydrazine
• 1-Methyl-1-n-butylhydrazine
• Hydrazine, butylmethyl-
• Methylbutyl hydrazine

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfG°	168.45	kJ/mol	Joback Calculated Property
ΔfH°gas	-45.21	kJ/mol	Joback Calculated Property
ΔfusH°	16.92	kJ/mol	Joback Calculated Property
ΔvapH°	39.41	kJ/mol	Joback Calculated Property
IE	[7.51; 7.82]	eV
IE	7.82 ± 0.05	eV	NIST
IE	7.62 ± 0.05	eV	NIST
IE	7.51 ± 0.02	eV	NIST
log10WS	-0.91		Crippen Calculated Property
logPoct/wat	0.592		Crippen Calculated Property
McVol	101.270	ml/mol	McGowan Calculated Property
Pc	3704.46	kPa	Joback Calculated Property
Inp	798.00		NIST
Tboil	398.77	K	Joback Calculated Property
Tc	578.11	K	Joback Calculated Property
Tfus	261.84	K	Joback Calculated Property
Vc	0.362	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[201.04; 261.97]	J/mol×K	[398.77; 578.11]
Cp,gas	201.04	J/mol×K	398.77	Joback Calculated Property
Cp,gas	212.39	J/mol×K	428.66	Joback Calculated Property
Cp,gas	223.25	J/mol×K	458.55	Joback Calculated Property
Cp,gas	233.62	J/mol×K	488.44	Joback Calculated Property
Cp,gas	243.52	J/mol×K	518.33	Joback Calculated Property
Cp,gas	252.96	J/mol×K	548.22	Joback Calculated Property
Cp,gas	261.97	J/mol×K	578.11	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[320.36; 405.44]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			2.07602e+01
Coefficient B			-5.35625e+03
Coefficient C			-5.87300e+01
Temperature range, min.			320.36
Temperature range, max.			405.44
Pvap	1.33	kPa	320.36	Calculated Property
Pvap	2.72	kPa	329.81	Calculated Property
Pvap	5.30	kPa	339.27	Calculated Property
Pvap	9.87	kPa	348.72	Calculated Property
Pvap	17.69	kPa	358.17	Calculated Property
Pvap	30.58	kPa	367.63	Calculated Property
Pvap	51.17	kPa	377.08	Calculated Property
Pvap	83.13	kPa	386.53	Calculated Property
Pvap	131.42	kPa	395.99	Calculated Property
Pvap	202.64	kPa	405.44	Calculated Property

Similar Compounds

Find more compounds similar to Hydrazine, 1-butyl-1-methyl-.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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