Chemical Properties of 2,2-Dimethylvaleric acid (CAS 1185-39-3)

InChI

InChI=1S/C7H14O2/c1-4-5-7(2,3)6(8)9/h4-5H2,1-3H3,(H,8,9)

InChI Key

ZRYCZAWRXHAAPZ-UHFFFAOYSA-N

Formula

C7H14O2

SMILES

CCCC(C)(C)C(=O)O

Molecular Weight¹

130.18

CAS

1185-39-3

Other Names

• 2,2-Dimethylpentanoic acid
• Pentanoic acid, 2,2-dimethyl-
• Valeric acid, 2,2-dimethyl-
• «alpha»,«alpha»-Dimethylvaleric acid
• «alpha»,«alpha»-Dimethylvaleric acid

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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).
• 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).
• 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°	-254.84	kJ/mol	Joback Calculated Property
ΔfH°gas	-461.37	kJ/mol	Joback Calculated Property
ΔfusH°	12.16	kJ/mol	Joback Calculated Property
ΔvapH°	53.31	kJ/mol	Joback Calculated Property
log10WS	-1.61		Crippen Calculated Property
logPoct/wat	1.897		Crippen Calculated Property
McVol	116.930	ml/mol	McGowan Calculated Property
Pc	3395.98	kPa	Joback Calculated Property
Tboil	[420.60; 470.00]	K
Tboil	470.00	K	NIST
Tboil	420.60 ± 2.00	K	NIST
Tboil	423.70 ± 2.00	K	NIST
Tc	682.23	K	Joback Calculated Property
Tfus	281.82	K	Joback Calculated Property
Vc	0.442	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[268.88; 325.33]	J/mol×K	[502.38; 682.23]
Cp,gas	268.88	J/mol×K	502.38	Joback Calculated Property
Cp,gas	279.60	J/mol×K	532.36	Joback Calculated Property
Cp,gas	289.76	J/mol×K	562.33	Joback Calculated Property
Cp,gas	299.40	J/mol×K	592.31	Joback Calculated Property
Cp,gas	308.52	J/mol×K	622.28	Joback Calculated Property
Cp,gas	317.16	J/mol×K	652.26	Joback Calculated Property
Cp,gas	325.33	J/mol×K	682.23	Joback Calculated Property
η	[0.0001723; 0.0242619]	Pa×s	[281.82; 502.38]
η	0.0242619	Pa×s	281.82	Joback Calculated Property
η	0.0066100	Pa×s	318.58	Joback Calculated Property
η	0.0023568	Pa×s	355.34	Joback Calculated Property
η	0.0010196	Pa×s	392.10	Joback Calculated Property
η	0.0005092	Pa×s	428.86	Joback Calculated Property
η	0.0002838	Pa×s	465.62	Joback Calculated Property
η	0.0001723	Pa×s	502.38	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[362.52; 495.09]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.62687e+01
Coefficient B			-4.62077e+03
Coefficient C			-7.33810e+01
Temperature range, min.			362.52
Temperature range, max.			495.09
Pvap	1.33	kPa	362.52	Calculated Property
Pvap	2.89	kPa	377.25	Calculated Property
Pvap	5.84	kPa	391.98	Calculated Property
Pvap	11.09	kPa	406.71	Calculated Property
Pvap	19.94	kPa	421.44	Calculated Property
Pvap	34.19	kPa	436.17	Calculated Property
Pvap	56.20	kPa	450.90	Calculated Property
Pvap	88.99	kPa	465.63	Calculated Property
Pvap	136.31	kPa	480.36	Calculated Property
Pvap	202.65	kPa	495.09	Calculated Property

Similar Compounds

Find more compounds similar to 2,2-Dimethylvaleric acid.

Sources

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

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