Chemical Properties of disilane (CAS 1590-87-0)

InChI

InChI=1S/H6Si2/c1-2/h1-2H3

InChI Key

PZPGRFITIJYNEJ-UHFFFAOYSA-N

Formula

H6Si2

SMILES

[SiH3][SiH3]

Molecular Weight¹

62.22

CAS

1590-87-0

• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• 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	[9.74; 10.60]	eV
IE	9.74 ± 0.02	eV	NIST
IE	9.74 ± 0.02	eV	NIST
IE	9.90 ± 0.40	eV	NIST
IE	10.00	eV	NIST
IE	10.15 ± 0.10	eV	NIST
IE	10.60 ± 0.30	eV	NIST
IE	10.53	eV	NIST
IE	10.53	eV	NIST
log10WS	6.38		Crippen Calculated Property
logPoct/wat	-2.368		Crippen Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.02; 5135.27]	kPa	[143.85; 432.00]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.41248e+01
Coefficient B			-2.33806e+03
Coefficient C			-1.30600e+01
Temperature range, min.			143.85
Temperature range, max.			432.00
Pvap	0.02	kPa	143.85	Calculated Property
Pvap	0.79	kPa	175.87	Calculated Property
Pvap	8.36	kPa	207.88	Calculated Property
Pvap	45.50	kPa	239.90	Calculated Property
Pvap	162.80	kPa	271.92	Calculated Property
Pvap	439.97	kPa	303.93	Calculated Property
Pvap	976.27	kPa	335.95	Calculated Property
Pvap	1876.13	kPa	367.97	Calculated Property
Pvap	3235.98	kPa	399.98	Calculated Property
Pvap	5135.27	kPa	432.00	Calculated Property

Similar Compounds

Find more compounds similar to disilane.

Sources

• Crippen Method
• Crippen Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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