ChemicalBook--->CAS DataBase List--->7783-29-1

7783-29-1

7783-29-1 Structure

7783-29-1 Structure
IdentificationBack Directory
[Name]

Si4H10
[CAS]

7783-29-1
[Synonyms]

Si4H10
n-TETRASILANE
[Molecular Formula]

H10Si4
[MOL File]

7783-29-1.mol
[Molecular Weight]

122.42
Chemical PropertiesBack Directory
[Melting point ]

~-90°; mp -84.3°
[Boiling point ]

bp 109°; bp (calc) 107.4°
[density ]

d0 0.825
[solubility ]

reacts with H2O
[form ]

colorless liquid
[color ]

colorless liquid; flammable
[Specific Gravity]

0.825
[Hydrolytic Sensitivity]

10: reacts extremely rapidly with moisture and oxygen - may be pyrophoric - sealed system required
[CAS DataBase Reference]

7783-29-1
Hazard InformationBack Directory
[Chemical Properties]

colorless liquid; enthalpy of vaporization 35.56 kJ/mol; vapor pressure at 0°C 9.1mm Hg; critical temp 249°C [CIC73] [CRC10]
Safety DataBack Directory
[Symbol(GHS) ]


GHS02
[Signal word ]

Danger
[Hazard statements ]

H250
[Precautionary statements ]

P210-P222-P280-P302+P334-P370+P378-P422
Questions And AnswerBack Directory
[Physical Properties]

Colorless liquid; density 0.79 g/mL at 0°C; freezes at –108°C; boils at 84.3°C; vapor density 5.48 g/L at STP; decomposes in water.
[Description]

Silicon forms a series of hydrides known as silanes, formula SinH2n+2, where n is the number of silicon atoms in the molecule. This general formula for the silicon hydrides is similar to the CnH2n+2 for the alkane class of hydrocarbons.
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