Chemical Properties of neon (CAS 7440-01-9)

InChI

InChI=1S/Ne

InChI Key

GKAOGPIIYCISHV-UHFFFAOYSA-N

Formula

Ne

SMILES

[Ne]

Molecular Weight¹

20.18

CAS

7440-01-9

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• μ : Dipole Moment (debye).
• IE : Ionization energy (eV).
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point 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).
• T_triple : Triple Point Temperature (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	-0.0290		KDB
PAff	198.80	kJ/mol	NIST
BasG	174.40	kJ/mol	NIST
μ	0.00	debye	KDB
IE	[21.50; 22.00]	eV
IE	21.56 ± 0.00	eV	NIST
IE	21.56	eV	NIST
IE	21.50	eV	NIST
IE	21.57	eV	NIST
IE	Outlier 22.00	eV	NIST
IE	21.59	eV	NIST
IE	21.56 ± 0.00	eV	NIST
IE	21.56	eV	NIST
Pc	2760.00	kPa	KDB
Ptriple	[43.30; 50.00]	kPa
Ptriple	50.00	kPa	KDB
Ptriple	43.37 ± 0.00	kPa	NIST
Ptriple	43.30 ± 0.27	kPa	NIST
S°gas,1 bar	146.33 ± 0.00	J/mol×K	NIST
Tboil	27.07	K	KDB
Tc	44.40	K	KDB
Tfus	24.56	K	KDB
Ttriple	[24.54; 24.56]	K
Ttriple	24.56	K	KDB
Ttriple	24.54	K	Further...
Ttriple	24.56 ± 0.00	K	NIST
Ttriple	24.56 ± 0.05	K	NIST
Vc	0.042	m3/kmol	KDB
Zc	0.3140070		KDB
Zra	0.31		KDB

Temperature Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[44.44; 2653.02]	kPa	[24.56; 44.40]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.35144e+01
Coefficient B			-2.65554e+02
Coefficient C			2.76000e+00
Temperature range, min.			24.56
Temperature range, max.			44.40
Pvap	44.44	kPa	24.56	Calculated Property
Pvap	91.84	kPa	26.76	Calculated Property
Pvap	171.55	kPa	28.97	Calculated Property
Pvap	295.48	kPa	31.17	Calculated Property
Pvap	476.27	kPa	33.38	Calculated Property
Pvap	726.68	kPa	35.58	Calculated Property
Pvap	1058.94	kPa	37.79	Calculated Property
Pvap	1484.36	kPa	39.99	Calculated Property
Pvap	2012.91	kPa	42.20	Calculated Property
Pvap	2653.02	kPa	44.40	Calculated Property

Mixtures

• neon + Argon
• 2-Propanol, 1,1,1,3,3,3-hexafluoro- + neon + Water
• Furan, tetrahydro-2,5-dimethyl- + neon + Furan, tetrahydro-2,5-dimethyl-, cis-
• 2,5,8,11-Tetraoxadodecane + neon
• neon + Tetraglyme
• Carbonic acid, dimethyl ester + neon
• Diethyl carbonate + neon

Sources

• Measurement of Binary Diffusion Coefficients for Neon Argon Gas Mixtures Using a Loschmidt Cell Combined with Holographic Interferometry
• Further results on the triple point temperature of pure 20Ne and 22Ne
• Solubility of gases in fluoroorganic alcohols. Part II. Solubilities of noble gases in (water + 1,1,1,3,3,3-hexafluoropropan-2-ol) at 298.15 K and 101.33 kPa
• Measurements of enthalpy of sublimation of Ne, N2, O2, Ar, CO2, Kr, Xe, and H2O using a double paddle oscillator
• Solubilities of gases in cycloethers. The solubility of 13 nonpolar gases in 2,5-dimethyltetrahydrofuran at 273.15 to 303.15 K and 101.32 kPa
• Solubilities of Nonpolar Gases in Triethylene Glycol Dimethyl Ether, Tetraethylene Glycol Dimethyl Ether, Dimethyl Carbonate, and Diethyl Carbonate at 298.15 K and 101.33 kPa Partial Pressure of Gas
• KDB
• 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.