Chemical Properties of Trisilane (CAS 7783-26-8)

InChI

InChI=1S/H8Si3/c1-3-2/h3H2,1-2H3

InChI Key

VEDJZFSRVVQBIL-UHFFFAOYSA-N

Formula

H8Si3

SMILES

[SiH3][SiH2][SiH3]

Molecular Weight¹

92.32

CAS

7783-26-8

Other Names

• Si3H8
• Silicopropane
• Trisilan
• Trisilicane
• Trisilicon octahydride
• Trisilicopropane

• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• P_vap : Vapor pressure (kPa).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
IE	[9.20; 9.87]	eV
IE	9.20	eV	NIST
IE	9.87	eV	NIST
logPoct/wat	-3.284		Crippen Calculated Property

Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization 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.

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.14; 101.31]	kPa	[204.25; 326.05]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.46185e+01
Coefficient B			-3.06052e+03
Coefficient C			-2.00100e+01
Temperature range, min.			204.25
Temperature range, max.			326.05
Pvap	0.14	kPa	204.25	Calculated Property
Pvap	0.42	kPa	217.78	Calculated Property
Pvap	1.14	kPa	231.32	Calculated Property
Pvap	2.74	kPa	244.85	Calculated Property
Pvap	5.93	kPa	258.38	Calculated Property
Pvap	11.81	kPa	271.92	Calculated Property
Pvap	21.95	kPa	285.45	Calculated Property
Pvap	38.39	kPa	298.98	Calculated Property
Pvap	63.78	kPa	312.52	Calculated Property
Pvap	101.31	kPa	326.05	Calculated Property

Similar Compounds

Find more compounds similar to Trisilane.

Sources

• 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

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