Trisilane

Trisilane
Stereo structural formula of trisilane with implicit hydrogens	Ball and stick model of trisilane
Names
	IUPAC name Trisilane
Identifiers
CAS Number	7783-26-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	122661 ;
ECHA InfoCard	100.132.113
EC Number	616-514-9;
PubChem CID	139070;
UNII	1T3A75Z4ZL ;
UN number	3194
CompTox Dashboard (EPA)	DTXSID80884426 ;
	InChI InChI=1S/H8Si3/c1-3-2/h3H2,1-2H3 Key: VEDJZFSRVVQBIL-UHFFFAOYSA-N ;
	SMILES [SiH3] [SiH2] [SiH3];
Properties
Chemical formula	H8Si3
Molar mass	92.319 g·mol−1
Appearance	Colourless liquid
Odor	Unpleasant
Density	0.743 g cm−3
Melting point	−117 °C (−179 °F; 156 K)
Boiling point	53 °C (127 °F; 326 K)
Solubility in water	Slowly decomposes
Vapor pressure	12.7 kPa
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Pyrophoric
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H250, H261, H315, H319, H335
Precautionary statements	P210, P222, P231+P232, P261, P264, P271, P280, P302+P334, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P402+P404, P403+P233, P405, P422, P501
Flash point	< −40 °C (−40 °F; 233 K)
Autoignition; temperature	< 50 °C (122 °F; 323 K)
Related compounds
Related hydrosilicons	Disilane; Disilyne; Silane; Silylene
Related compounds	Propane
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Trisilane is the silane with the formula H₂Si(SiH₃)₂. A liquid at standard temperature and pressure, it is a silicon analogue of propane. In contrast with propane, however, trisilane ignites spontaneously in air.^[2]

^ Alfred Walter Stewart (1926). Recent Advances in Physical and Inorganic Chemistry. Longmans, Green and Company, Limited. p. 312. Retrieved 11 May 2021.
^ P. W. Schenk (1963). "Silanes". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. p. 680.

[solubility-1] Alfred Walter Stewart (1926). Recent Advances in Physical and Inorganic Chemistry. Longmans, Green and Company, Limited. p. 312. Retrieved 11 May 2021.

[Brauer-2] P. W. Schenk (1963). "Silanes". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. p. 680.

[1]

[2]