Chemical Properties of fluorine (CAS 7782-41-4)

InChI

InChI=1S/F2/c1-2

InChI Key

PXGOKWXKJXAPGV-UHFFFAOYSA-N

Formula

F2

SMILES

FF

Molecular Weight¹

38.00

CAS

7782-41-4

Other Names

• BIFLUORIDEN

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• EA : Electron affinity (eV).
• 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).
• 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).
• NFPA Health : NFPA Health Rating.
• NFPA Safety : NFPA Safety Rating.
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• S°_{gas,1 bar} : Molar entropy at standard conditions (1 bar) (J/mol×K).
• 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).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.0540		KDB
PAff	332.00	kJ/mol	NIST
BasG	305.50	kJ/mol	NIST
μ	0.00	debye	KDB
EA	[2.80; 3.17]	eV
EA	3.00 ± 0.07	eV	NIST
EA	3.12 ± 0.07	eV	NIST
EA	3.08	eV	NIST
EA	2.94 ± 0.20	eV	NIST
EA	2.90 ± 0.22	eV	NIST
EA	3.17	eV	NIST
EA	2.80 ± 0.30	eV	NIST
EA	3.08 ± 0.10	eV	NIST
EA	3.00	eV	NIST
ΔfG°	-440.50	kJ/mol	Joback Calculated Property
ΔfH°gas	-435.55	kJ/mol	Joback Calculated Property
ΔfusH°	1.92	kJ/mol	Joback Calculated Property
ΔvapH°	13.96	kJ/mol	Joback Calculated Property
IE	[15.69; 15.74]	eV
IE	15.70 ± 0.00	eV	NIST
IE	15.70 ± 0.00	eV	NIST
IE	15.70	eV	NIST
IE	15.69	eV	NIST
IE	15.70 ± 0.02	eV	NIST
IE	15.70 ± 0.01	eV	NIST
IE	15.70	eV	NIST
IE	Outlier 15.74	eV	NIST
IE	15.69 ± 0.01	eV	NIST
IE	15.70	eV	NIST
IE	15.69 ± 0.01	eV	NIST
IE	15.70	eV	NIST
IE	15.70	eV	NIST
log10WS	-0.52		Crippen Calculated Property
logPoct/wat	0.840		Crippen Calculated Property
McVol	14.400	ml/mol	McGowan Calculated Property
NFPA Health	4		KDB
NFPA Safety	3		KDB
Pc	5172.00	kPa	KDB
S°gas,1 bar	202.79 ± 0.01	J/mol×K	NIST
Tboil	[85.03; 85.20]	K
Tboil	85.03	K	KDB
Tboil	85.20 ± 0.30	K	NIST
Tc	[144.00; 144.13]	K
Tc	144.13	K	KDB
Tc	144.00 ± 1.00	K	NIST
Tfus	[53.49; 55.20]	K
Tfus	53.49	K	KDB
Tfus	55.20 ± 0.30	K	NIST
Vc	0.066	m3/kmol	KDB
Zc	0.2848470		KDB
Zra	0.29		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[20.14; 23.07]	J/mol×K	[197.94; 327.21]
Cp,gas	20.14	J/mol×K	197.94	Joback Calculated Property
Cp,gas	20.65	J/mol×K	219.49	Joback Calculated Property
Cp,gas	21.15	J/mol×K	241.03	Joback Calculated Property
Cp,gas	21.64	J/mol×K	262.58	Joback Calculated Property
Cp,gas	22.13	J/mol×K	284.12	Joback Calculated Property
Cp,gas	22.60	J/mol×K	305.67	Joback Calculated Property
Cp,gas	23.07	J/mol×K	327.21	Joback Calculated Property
ρl	1510.00	kg/m3	85.00	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.25; 5229.44]	kPa	[53.48; 144.31]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.38604e+01
Coefficient B			-7.37058e+02
Coefficient C			-5.20000e+00
Temperature range, min.			53.48
Temperature range, max.			144.31
Pvap	0.25	kPa	53.48	Calculated Property
Pvap	3.43	kPa	63.57	Calculated Property
Pvap	22.08	kPa	73.66	Calculated Property
Pvap	88.05	kPa	83.76	Calculated Property
Pvap	256.23	kPa	93.85	Calculated Property
Pvap	599.38	kPa	103.94	Calculated Property
Pvap	1197.62	kPa	114.03	Calculated Property
Pvap	2127.71	kPa	124.13	Calculated Property
Pvap	3455.08	kPa	134.22	Calculated Property
Pvap	5229.44	kPa	144.31	Calculated Property

Similar Compounds

Find more compounds similar to fluorine.

Sources

• Crippen Method
• Crippen Method
• Standard molar enthalpies of formation of copper(II) beta-diketonates and monothio-beta-diketonates
• Experimental and computational thermochemical study of two fluorobenzazoles: 5-fluoro-2-methylbenzoxazole and 5-fluoro-2-methylbenzothiazole
• Isomorphism and phase diagram of Pb5(PO4)3F-Pb5(PO4)3Cl system
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.