Chemical Properties of Dimethyl selenide (CAS 593-79-3)

InChI

InChI=1S/C2H6Se/c1-3-2/h1-2H3

InChI Key

RVIXKDRPFPUUOO-UHFFFAOYSA-N

Formula

C2H6Se

SMILES

C[Se]C

Molecular Weight¹

109.03

CAS

593-79-3

Other Names

• (CH3)2Se
• Dimethylselenium
• Methane, selenobis-
• Methyl selenide
• Methyl selenium
• Selenide, dimethyl-
• Selenium dimethyl

• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• Δ_fusH : Enthalpy of fusion at a given temperature (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).
• logP_oct/wat : Octanol/Water partition coefficient.
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔvapH°	30.80	kJ/mol	Relay (1.0) Calculated Property
IE	[8.36; 8.40]	eV
IE	8.36	eV	NIST
IE	8.40	eV	NIST
IE	8.40 ± 0.01	eV	NIST
IE	8.40	eV	NIST
logPoct/wat	0.787		Crippen Calculated Property
Inp	[514.00; 582.00]
Inp	582.00		NIST
Inp	514.00		NIST
Inp	582.00		NIST
S°liquid	210.80	J/mol×K	NIST
Tboil	331.00 ± 3.00	K	NIST
Ttriple	[185.14; 185.14]	K
Ttriple	185.14 ± 0.01	K	NIST
Ttriple	185.14 ± 0.01	K	NIST

Cheméo can also estimate Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	121.10	J/mol×K	298.15	NIST
ΔfusH	[8.50; 8.50]	kJ/mol	[185.10; 185.14]
ΔfusH	8.50	kJ/mol	185.10	NIST
ΔfusH	8.50	kJ/mol	185.10	NIST
ΔfusH	8.50	kJ/mol	185.14	NIST
ΔfusH	8.50	kJ/mol	185.14	NIST
ΔvapH	[30.30; 31.90]	kJ/mol	[295.50; 299.00]
ΔvapH	31.90	kJ/mol	295.50	NIST
ΔvapH	30.30 ± 0.10	kJ/mol	299.00	NIST
ΔfusS	[45.90; 45.90]	J/mol×K	[185.14; 185.14]
ΔfusS	45.90	J/mol×K	185.14	NIST
ΔfusS	45.90	J/mol×K	185.14	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[237.94; 352.91]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.45777e+01
Coefficient B			-3.03016e+03
Coefficient C			-2.58990e+01
Temperature range, min.			237.94
Temperature range, max.			352.91
Pvap	1.33	kPa	237.94	Calculated Property
Pvap	3.00	kPa	250.71	Calculated Property
Pvap	6.20	kPa	263.49	Calculated Property
Pvap	11.88	kPa	276.26	Calculated Property
Pvap	21.38	kPa	289.04	Calculated Property
Pvap	36.43	kPa	301.81	Calculated Property
Pvap	59.23	kPa	314.59	Calculated Property
Pvap	92.41	kPa	327.36	Calculated Property
Pvap	139.05	kPa	340.14	Calculated Property
Pvap	202.65	kPa	352.91	Calculated Property

Similar Compounds

Find more compounds similar to Dimethyl selenide.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen 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.