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_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).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfusH°	16.92	kJ/mol	Joback Calculated Property
ΔvapH°	45.00	kJ/mol	Relay (1.0) 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	-0.23		Relay (1.0) 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; 798.00]
Inp	798.00		NIST
Inp	798.00		NIST
Tboil	401.08	K	Relay (1.0) Calculated Property
Tc	579.50	K	Relay (1.0) Calculated Property
Tfus	194.18	K	Relay (1.0) Calculated Property

Cheméo can also estimate Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[201.12; 262.06]	J/mol×K	[398.97; 578.40]
Cp,gas	201.12	J/mol×K	398.97	Joback Calculated Property
Cp,gas	212.47	J/mol×K	428.87	Joback Calculated Property
Cp,gas	223.33	J/mol×K	458.78	Joback Calculated Property
Cp,gas	233.70	J/mol×K	488.68	Joback Calculated Property
Cp,gas	243.60	J/mol×K	518.59	Joback Calculated Property
Cp,gas	253.05	J/mol×K	548.49	Joback Calculated Property
Cp,gas	262.06	J/mol×K	578.40	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[320.36; 405.44]	The Yaws Handbook of Vapor Pressure
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

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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