Chemical Properties of Sulfur dioxide (CAS 7446-09-5)

InChI

InChI=1S/O2S/c1-3-2

InChI Key

RAHZWNYVWXNFOC-UHFFFAOYSA-N

Formula

O2S

SMILES

O=S=O

Molecular Weight¹

64.06

CAS

7446-09-5

Other Names

• Fermenicide liquid
• Fermenicide powder
• Fermenticide liquid
• SO2
• SULFUROUS ACID ANHYDRIDE
• SULFUROUS ANHYDRIDE
• Schwefeldioxyd
• Siarki dwutlenek
• Sulfur dioxide (SO2)
• Sulfur oxide
• Sulfur oxide (SO2)
• Sulfur superoxide
• Sulfurous oxide
• Sulphur dioxide
• UN 1079

• 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).
• R_g : Radius of Gyration.
• 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).
• NFPA Health : NFPA Health Rating.
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• I : Polar retention indices.
• 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	0.2560		KDB
PAff	672.30	kJ/mol	NIST
BasG	[607.00; 643.30]	kJ/mol
BasG	643.30	kJ/mol	NIST
BasG	622.00	kJ/mol	NIST
BasG	607.00	kJ/mol	NIST
μ	1.60	debye	KDB
EA	[1.00; 1.14]	eV
EA	1.11 ± 0.01	eV	NIST
EA	1.10 ± 0.04	eV	NIST
EA	1.10 ± 0.10	eV	NIST
EA	1.10 ± 0.20	eV	NIST
EA	1.05	eV	NIST
EA	1.00 ± 0.10	eV	NIST
EA	1.00 ± 0.05	eV	NIST
EA	1.06 ± 0.10	eV	NIST
EA	1.14 ± 0.15	eV	NIST
ΔfG°	-300.40	kJ/mol	KDB
Rg	1.6740		KDB
ΔfH°gas	[-297.10; -296.81]	kJ/mol
ΔfH°gas	-297.10	kJ/mol	KDB
ΔfH°gas	-296.81 ± 0.20	kJ/mol	NIST
ΔfusH°	10.50	kJ/mol	Joback Calculated Property
ΔvapH°	33.94	kJ/mol	Joback Calculated Property
IE	[12.30; 12.54]	eV
IE	12.35 ± 0.00	eV	NIST
IE	12.50 ± 0.10	eV	NIST
IE	12.35 ± 0.00	eV	NIST
IE	12.50 ± 0.30	eV	NIST
IE	12.40 ± 0.20	eV	NIST
IE	12.30	eV	NIST
IE	12.31	eV	NIST
IE	12.30 ± 0.01	eV	NIST
IE	12.32 ± 0.01	eV	NIST
IE	12.34	eV	NIST
IE	12.34 ± 0.02	eV	NIST
IE	12.50	eV	NIST
IE	12.54	eV	NIST
IE	12.50	eV	NIST
log10WS	0.46		Crippen Calculated Property
logPoct/wat	-0.670		Crippen Calculated Property
McVol	34.650	ml/mol	McGowan Calculated Property
NFPA Health	2		KDB
Pc	7884.00	kPa	KDB
Ptriple	[1.67; 1.67]	kPa
Ptriple	1.67	kPa	KDB
Ptriple	1.67 ± 0.01	kPa	NIST
I	[856.00; 882.00]
I	856.00		NIST
I	882.00		NIST
I	856.00		NIST
S°gas,1 bar	248.22 ± 0.05	J/mol×K	NIST
Tboil	263.10	K	KDB
Tc	[430.34; 430.80]	K
Tc	430.80	K	KDB
Tc	430.34 ± 0.40	K	NIST
Tfus	[197.60; 200.75]	K
Tfus	197.60	K	KDB
Tfus	200.75 ± 0.50	K	NIST
Ttriple	[197.64; 197.68]	K
Ttriple	197.68	K	KDB
Ttriple	197.64 ± 0.05	K	NIST
Vc	0.122	m3/kmol	KDB
Zc	0.2685310		KDB
Zra	0.27		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[37.64; 49.58]	J/mol×K	[245.78; 395.50]
Cp,gas	37.64	J/mol×K	245.78	Joback Calculated Property
Cp,gas	40.24	J/mol×K	270.73	Joback Calculated Property
Cp,gas	42.58	J/mol×K	295.69	Joback Calculated Property
Cp,gas	44.67	J/mol×K	320.64	Joback Calculated Property
Cp,gas	46.52	J/mol×K	345.59	Joback Calculated Property
Cp,gas	48.16	J/mol×K	370.55	Joback Calculated Property
Cp,gas	49.58	J/mol×K	395.50	Joback Calculated Property
ΔvapH	[24.90; 24.90]	kJ/mol	[231.50; 263.00]
ΔvapH	24.90	kJ/mol	231.50	NIST
ΔvapH	24.90	kJ/mol	263.00	NIST
Pvap	[1469.00; 5978.00]	kPa	[343.15; 413.15]
Pvap	1479.00	kPa	343.15	Thermod...
Pvap	1469.00	kPa	343.15	Thermod...
Pvap	2883.00	kPa	373.15	Thermod...
Pvap	5836.00	kPa	413.15	Thermod...
Pvap	5978.00	kPa	413.15	Thermod...
ρl	1455.00	kg/m3	263.00	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.62; 7832.71]	kPa	[197.67; 430.75]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.48701e+01
Coefficient B			-2.33358e+03
Coefficient C			-3.55000e+01
Temperature range, min.			197.67
Temperature range, max.			430.75
Pvap	1.62	kPa	197.67	Calculated Property
Pvap	11.73	kPa	223.57	Calculated Property
Pvap	52.66	kPa	249.47	Calculated Property
Pvap	170.94	kPa	275.36	Calculated Property
Pvap	441.15	kPa	301.26	Calculated Property
Pvap	962.05	kPa	327.16	Calculated Property
Pvap	1847.48	kPa	353.06	Calculated Property
Pvap	3215.33	kPa	378.95	Calculated Property
Pvap	5177.56	kPa	404.85	Calculated Property
Pvap	7832.71	kPa	430.75	Calculated Property

Similar Compounds

Find more compounds similar to Sulfur dioxide.

Mixtures

• Nitrogen + Sulfur dioxide
• Oxygen + Sulfur dioxide
• Nitrogen + Sulfur dioxide + Ethanol, 2,2'-oxybis-
• Nitrogen + Formamide, N,N-dimethyl- + Sulfur dioxide
• Sulfur dioxide + Ethanol, 2,2'-oxybis-
• Formamide, N,N-dimethyl- + Sulfur dioxide
• Formamide, N,N-dimethyl- + Sulfur dioxide + Ethanol, 2,2'-oxybis-
• 1,2-Ethanediol + Formamide, N,N-dimethyl- + Sulfur dioxide
• 1,2-Ethanediol + Sulfur dioxide
• Pentanoic acid, 4-oxo-, ethyl ester + Sulfur dioxide
• Sulfur dioxide + Pentanoic acid, 4-oxo-, butyl ester
• Sulfur dioxide + Butanedioic acid, dibutyl ester
• Butyl lactate + Sulfur dioxide
• Triacetin + Sulfur dioxide
• Triethyl citrate + Sulfur dioxide
• O-Acetylcitric acid triethyl ester + Sulfur dioxide
• Dimethyl Sulfoxide + Sulfur dioxide
• 1,2-Ethanediol + Urea + Sulfur dioxide
• Nitrogen + Sulfur dioxide + Water
• Nitrogen + 1,2-Ethanediol + Sulfur dioxide

Find more mixtures with Sulfur dioxide.

Sources

• Crippen Method
• Crippen Method
• Experimental determination of dissociation constant, Henry's constant, heat of reactions, SO2 absorbed and gas bubble liquid interfacial area for dilute sulphur dioxide absorption into water
• Thermodynamic study of binary systems containing sulfur dioxide: measurements and molecular modelling
• Solubility for dilute sulfur dioxide, viscosities, excess properties, and viscous flow thermodynamics of binary system N, N-dimethylformamide + diethylene glycol
• Experimental study and thermodynamical modelling of thesolubilities of SO2, H2S and CO2in N-dodecylimidazole and 1,1 -[oxybis(2,1-ethanediyloxy-2,1-ethanediyl)]bis(imidazole): An evaluation of their potential application in the separation of acidic gases
• Thermodynamic Study of binary an ternary systems containing CO2 + impurities in the context of CO2 transportation
• Thermodynamic properties and spectral investigation of dilute sulfur dioxide in binary system N,N-dimethylformamide + diethylene glycol
• Solubility of dilute sulfur dioxide in binary mixtures of ethylene glycol and tetraethylene glycol dimethyl ether
• Absorption of SO2 in different electrolyte solutions, seawater and brine
• Absorption, desorption and spectroscopic investigation of sulfur dioxide in the binary system ethylene glycol + dimethyl sulfoxide
• New experimental density data and derived thermophysical properties of carbon dioxide - Sulphur dioxide binary mixture (CO2 - SO2) in gas, liquid and supercritical phases from 273 K to 353 K and at pressures up to 42 MPa
• Thermodynamic study of binary systems containing sulphur dioxide and nitric oxide: Measurements and modelling
• Volumetric properties and phase behavior of sulfur dioxide, carbon disulfide and oxygen in high-pressure carbon dioxide fluid
• Solubility for dilute sulfur dioxide in binary mixtures of N,N-dimethylformamide + Ethylene Glycol at T = 308.15 Kand p = 122.66 kPa
• Solubilities and thermodynamic properties of SO2 in five biobased solvents
• Solubility and thermodynamic properties of SO2 in three low volatile urea derivatives
• Investigation of SO2 solubilities in some biobased solvents and their thermodynamic properties
• Diffusivity and solubility of carbonyl sulfide and sulfur dioxide in 1-ethyl-3-methylimidazolium bis (trifluoromethyl) sulfonylimide ([emim][Tf2N]): Experimental measurement and modelling
• Thermodynamic investigation of room temperature ionic liquid: The heat capacity and standard enthalpy of formation of EMIES
• Solubility and Spectral Studies for SO2 in Binary System of Tri-ethylene Glycol + Dimethyl Sulfoxide at T = (298.15, 303.15, and 308.15) K and p = 123.15 kPa
• Solubility Properties and Absorption Mechanism Investigation of Dilute SO2 in Propylene Glycol Monomethyl Ether + Dimethyl Sulfoxide System
• SO2 Solubility in 50 wt % H2SO4 at Elevated Temperatures and Pressures
• Comparative Study of the Solubilities of SO2 in Five Low Volatile Organic Solvents (Sulfolane, Ethylene Glycol, Propylene Carbonate, N-Methylimidazole, and N-Methylpyrrolidone)
• Solubility of Dilute SO2 in the Binary System Poly Ethylene Glycol 300 + Dimethyl Sulfoxide at T = 298.15 K and p = 123.15 kPa and Mixtures Excess Properties at T = (298.15, 303.15, 308.15, 313.15, and 318.15) K
• Solubility Properties and Spectral Characterization of Dilute SO2 in Binary Mixtures of Urea + Ethylene Glycol
• Gas-Liquid Equilibrium Data for the Mixture Gas of Sulfur Dioxide/Nitrogen with Ethylene Glycol at Temperatures from (298.15 to 313.15) K under Low Pressures
• Gas-Liquid Equilibrium Data for a Mixture Gas of Sulfur Dioxide + Nitrogen with Ethylene Glycol Aqueous Solutions at 298.15 K and 123.15 kPa
• Solubility of SO2 in Caprolactam Tetrabutyl Ammonium Bromide Ionic Liquids
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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