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Silicon tetrachloride information


Silicon tetrachloride
Names
IUPAC name
Tetrachlorosilane
Other names
Silicon tetrachloride
Tetrachlorosilane
Identifiers
CAS Number
  • 10026-04-7 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 23201 checkY
ECHA InfoCard 100.030.037 Edit this at Wikidata
EC Number
  • 233-054-0
PubChem CID
  • 24816
RTECS number
  • VW0525000
UNII
  • 96L75U0BM3 ☒N
UN number 1818
CompTox Dashboard (EPA)
  • DTXSID0029711 Edit this at Wikidata
InChI
  • InChI=1S/Cl4Si/c1-5(2,3)4 checkY
    Key: FDNAPBUWERUEDA-UHFFFAOYSA-N checkY
  • InChI=1/Cl4Si/c1-5(2,3)4
SMILES
  • [Si](Cl)(Cl)(Cl)Cl
Properties
Chemical formula
SiCl4
Molar mass 169.90 g/mol
Appearance Colourless liquid
Density 1.483 g/cm3
Melting point −68.74 °C (−91.73 °F; 204.41 K)
Boiling point 57.65 °C (135.77 °F; 330.80 K)
Solubility in water
Reacts to form silica
Solubility soluble in benzene, toluene, chloroform, ether[1]
Vapor pressure 25.9 kPa at 20 °C
Magnetic susceptibility (χ)
−88.3·10−6 cm3/mol
Structure
Crystal structure
Tetrahedral
Coordination geometry
4
Thermochemistry
Std molar
entropy (S298)
240 J·mol−1·K−1[2]
Std enthalpy of
formation fH298)
−687 kJ·mol−1[2]
Hazards
GHS labelling:
Pictograms
GHS07: Exclamation mark
Signal word
Warning
Hazard statements
H315, H319, H335
Precautionary statements
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
3
0
2
W
Safety data sheet (SDS) ICSC 0574 MSDS
Related compounds
Other anions
Silicon tetrafluoride
Silicon tetrabromide
Silicon tetraiodide
Other cations
Carbon tetrachloride
Germanium tetrachloride
Tin(IV) chloride
Titanium tetrachloride
Related chlorosilanes
Chlorosilane
Dichlorosilane
Trichlorosilane
Supplementary data page
Silicon tetrachloride (data page)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Silicon tetrachloride or tetrachlorosilane is the inorganic compound with the formula SiCl4. It is a colorless volatile liquid that fumes in air. It is used to produce high purity silicon and silica for commercial applications. It is a part of the chlorosilane family.

  1. ^ P. W. Schenk (1963). "Phosphorus(V) fluoride". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. pp. 282–683.
  2. ^ a b Zumdahl, S. S. (2009). Chemical Principles (6th ed.). Houghton Mifflin. p. A22. ISBN 978-0-618-94690-7.

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Silicon tetrachloride

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Silicon tetrachloride or tetrachlorosilane is the inorganic compound with the formula SiCl4. It is a colorless volatile liquid that fumes in air. It is...

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silicon atom compared to the aluminium atom. Silicon tetrachloride is manufactured on a huge scale as a precursor to the production of pure silicon,...

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volatile halides, including vanadyl chloride (VOCl3), silicon tetrachloride (SiCl4), and tin tetrachloride (SnCl4), which must be separated. The world's supply...

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Carbon tetrachloride

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Carbon tetrachloride, also known by many other names (such as carbon tet for short and tetrachloromethane, also recognised by the IUPAC) is a chemical...

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Trichlorosilane

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+ H2 Yields of 80-90% can be achieved. The main byproducts are silicon tetrachloride (chemical formula SiCl4), hexachlorodisilane (Si2Cl6) and dichlorosilane...

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Silicon

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discovery. The same year, Berzelius became the first to prepare silicon tetrachloride; silicon tetrafluoride had already been prepared long before in 1771...

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have been reports of the dumping of waste silicon tetrachloride. Normally the waste silicon tetrachloride is recycled but this adds to the cost of manufacture...

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Silicon tetrabromide

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bromide. The general properties of silicon tetrabromide closely resemble those of the more commonly used silicon tetrachloride. The properties of the tetrasilanes...

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Tetraethyl orthosilicate

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prevalent alkoxide of silicon. TEOS is a tetrahedral molecule. Like its many analogues, it is prepared by alcoholysis of silicon tetrachloride: SiCl4 + 4 EtOH...

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Germanium tetrachloride

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dioxide. In the manufacture of optical fibers, silicon tetrachloride, SiCl4, and germanium tetrachloride, GeCl4, are introduced with oxygen into a hollow...

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Chlorosilane

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least one silicon-chlorine (Si−Cl) bond. Trichlorosilane is produced on the largest scale. The parent chlorosilane is silicon tetrachloride (SiCl4). These...

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(1982-09-01). "Low-temperature preparation of polycrystalline silicon from silicon tetrachloride". Materials Letters. 1 (2): 64–66. doi:10.1016/0167-577X(82)90008-8...

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Tetrachloride

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monofunctional trimethyl silane ("M") reacted with quadrafunctional silicon tetrachloride ("Q"). Tackifiers are also used in tyres. For Ghostbusters (2016...

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Hexachlorodisilane

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silicon tetrachloride in presence of Lewis bases even at room temperature. 4 Si2Cl6 → 3 SiCl4 + Si5Cl12 This conversion is useful in making silicon-based...

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Tetramethylsilane

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Dimethyldichlorosilane

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James Crafts who synthesized tetraethylsilane from diethylzinc and silicon tetrachloride. However, major progress in organosilicon chemistry did not occur...

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Silicon tetraazide

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temperature. Silicon tetraazide is synthesized by conversion of silicon tetrachloride with sodium azide in benzene. The reaction of silicon tetrachloride with...

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is 160–190 kg/m3. Fumed silica is made from flame pyrolysis of silicon tetrachloride or from quartz sand vaporized in a 3000 °C electric arc. Major global...

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