Chemical Properties of Benzoic acid, 2,6-dimethyl- (CAS 632-46-2)

InChI

InChI=1S/C9H10O2/c1-6-4-3-5-7(2)8(6)9(10)11/h3-5H,1-2H3,(H,10,11)

InChI Key

HCBHQDKBSKYGCK-UHFFFAOYSA-N

Formula

C9H10O2

SMILES

Cc1cccc(C)c1C(=O)O

Molecular Weight¹

150.17

CAS

632-46-2

Other Names

• 2,6-Dimethylbenzoic acid

• ω : Acentric Factor.
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,solid : Solid phase 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_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (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).
• 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
ω	0.6843		Relay (1.0) Calculated Property
ΔcH°solid	-4530.10 ± 0.79	kJ/mol	NIST
ΔfG°	-225.86	kJ/mol	Joback Calculated Property
ΔfH°gas	[-341.60; -341.60]	kJ/mol
ΔfH°gas	-341.60 ± 1.70	kJ/mol	NIST
ΔfH°gas	-341.60	kJ/mol	NIST
ΔfH°solid	[-440.70; -440.70]	kJ/mol
ΔfH°solid	-440.70 ± 1.70	kJ/mol	NIST
ΔfH°solid	-440.70 ± 0.96	kJ/mol	NIST
ΔfusH°	22.47	kJ/mol	Joback Calculated Property
ΔsubH°	[99.10; 106.40]	kJ/mol
ΔsubH°	99.10 ± 0.20	kJ/mol	NIST
ΔsubH°	99.10	kJ/mol	NIST
ΔsubH°	99.10 ± 0.20	kJ/mol	NIST
ΔsubH°	106.40 ± 0.30	kJ/mol	NIST
ΔvapH°	77.75	kJ/mol	Relay (1.0) Calculated Property
IE	8.90	eV	NIST
log10WS	-2.04		Relay (1.0) Calculated Property
logPoct/wat	2.002		Crippen Calculated Property
McVol	121.350	ml/mol	McGowan Calculated Property
Pc	3493.01	kPa	Joback Calculated Property
Tboil	533.45	K	Relay (1.0) Calculated Property
Tc	779.63	K	Relay (1.0) Calculated Property
Tfus	371.06	K	Relay (1.0) Calculated Property
Vc	0.432	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,solid	204.20	J/mol×K	299.65	NIST
ΔsubH	[98.20; 104.50]	kJ/mol	[316.50; 336.00]
ΔsubH	98.20 ± 0.20	kJ/mol	316.50	NIST
ΔsubH	104.50 ± 0.30	kJ/mol	336.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[157.87; 369.82]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-6.00000e+00
Coefficient B			7.11740e-01
Coefficient C			-4.35520e-04
Coefficient D			9.96000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	157.87	J/mol×K	273.00	Calculated Property
Cp,gas	195.70	J/mol×K	353.78	Calculated Property
Cp,gas	229.22	J/mol×K	434.56	Calculated Property
Cp,gas	258.75	J/mol×K	515.33	Calculated Property
Cp,gas	284.61	J/mol×K	596.11	Calculated Property
Cp,gas	307.11	J/mol×K	676.89	Calculated Property
Cp,gas	326.57	J/mol×K	757.67	Calculated Property
Cp,gas	343.29	J/mol×K	838.44	Calculated Property
Cp,gas	357.61	J/mol×K	919.22	Calculated Property
Cp,gas	369.82	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0009403; 0.0002448]	Pa×s	[403.25; 569.66]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.15762e+01
Coefficient B			1.85772e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			403.25
Temperature range, max.			569.66
η	0.0009403	Pa×s	403.25	Calculated Property
η	0.0007683	Pa×s	421.74	Calculated Property
η	0.0006386	Pa×s	440.23	Calculated Property
η	0.0005387	Pa×s	458.72	Calculated Property
η	0.0004604	Pa×s	477.21	Calculated Property
η	0.0003982	Pa×s	495.70	Calculated Property
η	0.0003480	Pa×s	514.19	Calculated Property
η	0.0003070	Pa×s	532.68	Calculated Property
η	0.0002731	Pa×s	551.17	Calculated Property
η	0.0002448	Pa×s	569.66	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.18; 202.67]	kPa	[389.15; 572.29]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.66357e+01
Coefficient B			-5.42303e+03
Coefficient C			-9.33970e+01
Temperature range, min.			389.15
Temperature range, max.			572.29
Pvap	0.18	kPa	389.15	Calculated Property
Pvap	0.59	kPa	409.50	Calculated Property
Pvap	1.68	kPa	429.85	Calculated Property
Pvap	4.21	kPa	450.20	Calculated Property
Pvap	9.55	kPa	470.55	Calculated Property
Pvap	19.94	kPa	490.89	Calculated Property
Pvap	38.75	kPa	511.24	Calculated Property
Pvap	70.80	kPa	531.59	Calculated Property
Pvap	122.61	kPa	551.94	Calculated Property
Pvap	202.67	kPa	572.29	Calculated Property

Similar Compounds

Find more compounds similar to Benzoic acid, 2,6-dimethyl-.

Sources

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

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
These property values are available through the Cheméo API. A free account gives you an access key.