Chemical Properties of Propane, 2,2-difluoro- (CAS 420-45-1)

InChI

InChI=1S/C3H6F2/c1-3(2,4)5/h1-2H3

InChI Key

YZXSQDNPKVBDOG-UHFFFAOYSA-N

Formula

C3H6F2

SMILES

CC(C)(F)F

Molecular Weight¹

80.08

CAS

420-45-1

Other Names

• (CH3)2CF2
• 2,2-Difluoropropane
• Dimethyldifluoromethane

• 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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°	-412.40	kJ/mol	Joback Calculated Property
ΔfH°gas	-543.00 ± 13.00	kJ/mol	NIST
ΔfusH°	2.27	kJ/mol	Joback Calculated Property
ΔvapH°	19.34	kJ/mol	Joback Calculated Property
IE	11.42 ± 0.02	eV	NIST
log10WS	-1.39		Crippen Calculated Property
logPoct/wat	1.661		Crippen Calculated Property
McVol	56.670	ml/mol	McGowan Calculated Property
Pc	4021.02	kPa	Joback Calculated Property
Inp	370.00		NIST
Tboil	[272.00; 272.80]	K
Tboil	272.00	K	NIST
Tboil	272.80 ± 1.00	K	NIST
Tc	414.18	K	Joback Calculated Property
Tfus	127.17	K	Joback Calculated Property
Vc	0.229	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[81.39; 118.01]	J/mol×K	[263.35; 414.18]
Cp,gas	81.39	J/mol×K	263.35	Joback Calculated Property
Cp,gas	88.25	J/mol×K	288.49	Joback Calculated Property
Cp,gas	94.80	J/mol×K	313.63	Joback Calculated Property
Cp,gas	101.04	J/mol×K	338.76	Joback Calculated Property
Cp,gas	106.98	J/mol×K	363.90	Joback Calculated Property
Cp,gas	112.63	J/mol×K	389.04	Joback Calculated Property
Cp,gas	118.01	J/mol×K	414.18	Joback Calculated Property
ΔvapH	25.60	kJ/mol	256.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 210.13]	kPa	[202.78; 291.06]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.33174e+01
Coefficient B			-1.81155e+03
Coefficient C			-6.37540e+01
Temperature range, min.			202.78
Temperature range, max.			291.06
Pvap	1.33	kPa	202.78	Calculated Property
Pvap	3.15	kPa	212.59	Calculated Property
Pvap	6.68	kPa	222.40	Calculated Property
Pvap	12.98	kPa	232.21	Calculated Property
Pvap	23.46	kPa	242.02	Calculated Property
Pvap	39.85	kPa	251.82	Calculated Property
Pvap	64.24	kPa	261.63	Calculated Property
Pvap	98.98	kPa	271.44	Calculated Property
Pvap	146.69	kPa	281.25	Calculated Property
Pvap	210.13	kPa	291.06	Calculated Property

Similar Compounds

Find more compounds similar to Propane, 2,2-difluoro-.

Sources

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

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