Chemical Properties of Thiourea, tetramethyl- (CAS 2782-91-4)

InChI

InChI=1S/C5H12N2S/c1-6(2)5(8)7(3)4/h1-4H3

InChI Key

MNOILHPDHOHILI-UHFFFAOYSA-N

Formula

C5H12N2S

SMILES

CN(C)C(=S)N(C)C

Molecular Weight¹

132.23

CAS

2782-91-4

Other Names

• Urea, 1,1,3,3-tetramethyl-2-thio-
• Basthioryl
• N,N,N',N'-Tetramethylthiourea
• Tetramethylthiourea
• ((CH3)2N)2CS
• 1,1,3,3-Tetramethyl-2-thiourea
• 1,1,3,3-Tetramethylthiourea
• NA-101
• TMTU
• Urea, thio-, tetramethyl-
• NSC 102499
• Thiourea, N,N,N',N'-tetramethyl-
• tetramethyl-2-thiourea

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• 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_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (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).
• I : 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
PAff	947.60	kJ/mol	NIST
BasG	916.60	kJ/mol	NIST
ΔcH°solid	-4246.70 ± 2.20	kJ/mol	NIST
ΔfG°	329.84	kJ/mol	Joback Calculated Property
ΔfH°gas	44.70 ± 2.30	kJ/mol	NIST
ΔfH°solid	-38.30 ± 2.30	kJ/mol	NIST
ΔfusH°	19.35	kJ/mol	Joback Calculated Property
ΔsubH°	[83.00; 85.00]	kJ/mol
ΔsubH°	85.00 ± 3.00	kJ/mol	NIST
ΔsubH°	84.00	kJ/mol	NIST
ΔsubH°	83.00 ± 0.50	kJ/mol	NIST
ΔsubH°	83.03 ± 0.20	kJ/mol	NIST
ΔsubH°	83.00 ± 0.20	kJ/mol	NIST
ΔvapH°	37.54	kJ/mol	Joback Calculated Property
IE	[7.82; 7.95]	eV
IE	7.82 ± 0.03	eV	NIST
IE	7.95 ± 0.05	eV	NIST
IE	7.84	eV	NIST
IE	7.84	eV	NIST
IE	7.82	eV	NIST
log10WS	-0.40		Crippen Calculated Property
logPoct/wat	0.395		Crippen Calculated Property
McVol	113.320	ml/mol	McGowan Calculated Property
Pc	3857.88	kPa	Joback Calculated Property
I	1872.00		NIST
Tboil	408.72	K	Joback Calculated Property
Tc	600.29	K	Joback Calculated Property
Tfus	245.32	K	Joback Calculated Property
Vc	0.388	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[211.55; 272.95]	J/mol×K	[408.72; 600.29]
Cp,gas	211.55	J/mol×K	408.72	Joback Calculated Property
Cp,gas	223.58	J/mol×K	440.65	Joback Calculated Property
Cp,gas	234.83	J/mol×K	472.58	Joback Calculated Property
Cp,gas	245.35	J/mol×K	504.51	Joback Calculated Property
Cp,gas	255.18	J/mol×K	536.44	Joback Calculated Property
Cp,gas	264.36	J/mol×K	568.36	Joback Calculated Property
Cp,gas	272.95	J/mol×K	600.29	Joback Calculated Property
ΔfusH	22.14	kJ/mol	350.40	NIST
ΔsubH	83.00 ± 3.00	kJ/mol	333.00	NIST

Similar Compounds

Find more compounds similar to Thiourea, tetramethyl-.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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