Silicon tetrachloride

An inorganic compound, Cl4Si, 169.898 g/mol. Boiling point 135.7 °F at 760 mmHg, melting point -70 °C, as published.

verified recordInorganic compound6 measured properties

Identifiers

Molecular formula: Cl₄Si
Molecular weight: 169.898 g/mol
Exact mass: 167.852337 g/mol
IUPAC name: tetrachlorosilane
SMILES: Cl[Si](Cl)(Cl)Cl
InChI: InChI=1S/Cl4Si/c1-5(2,3)4
InChIKey: FDNAPBUWERUEDA-UHFFFAOYSA-N

Open in ReactionLens Use in reaction prediction

Measured properties

Published measurements, each with its source. Two readings of one property are both shown, in the units each used.

Boiling Point: 135.7 °F at 760 mmHg (USCG, 1999)measured · CAMEO Chemicals; 135.7 °Fmeasured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Melting Point: -94 °F (USCG, 1999)measured · CAMEO Chemicals; -70 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Density: 1.48 at 68 °F (USCG, 1999) - Denser than water; will sinkmeasured · CAMEO Chemicals; 1.52 @ 0 °C/4 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Solubility: Miscible with benzene, ether, chloroform, petroleum ethermeasured · Hazardous Substances Data Bank (HSDB); Miscible in all proportions with carbon tetrachloride, tin tetrachloride, titanium chloride, sulfur mono- & dichloridesmeasured · Hazardous Substances Data Bank (HSDB)
Vapor Pressure: 236.0 [mmHg]measured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases; 236 mm Hg @ 25 °C /Calculated from experimentally derived coefficients/measured · Hazardous Substances Data Bank (HSDB)
Refractive Index: INDEX OF REFRACTION: 1.412 AT 20 °C/Dmeasured · Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 12th ed. New York, NY: Van Nostrand Rheinhold Co., 1993, p. 1037

Calculated properties

Derived from the structure, not from a sample; kept apart from the measurements above.

Molecular weight: 169.9 g/molcalculated · reference compound database; Average mass of one molecule, from reference compound database.
Exact mass: 169.849387 Dacalculated · reference compound database; Mass of the most common isotopic form.
Polar surface area: 0 Å²calculated · reference compound database; Polar surface area as computed by reference compound database.
Complexity: 19calculated · reference compound database; A rough measure of how intricate the structure is.
H-bond donors: 0calculated · reference compound database
H-bond acceptors: 0calculated · reference compound database
logP: 2.3772calculated · chemistry engine; Estimated preference for oil over water. Higher means more oil-like.
Topological polar surface area: 0 Å²calculated · chemistry engine; Surface area from polar atoms; relates to how easily a molecule crosses membranes.
H-bond donors: 0calculated · chemistry engine; Atoms that can donate a hydrogen bond.
H-bond acceptors: 0calculated · chemistry engine; Atoms that can accept a hydrogen bond.
Rotatable bonds: 0calculated · chemistry engine; Single bonds the molecule can freely twist around.
Molar refractivity: 29.166 cm³/molcalculated · chemistry engine; Relates to the molecule's polarisability.
Fraction sp³ carbons: 0calculated · chemistry engine; Share of carbon atoms with tetrahedral bonding.
QED drug-likeness: 0.3862calculated · chemistry engine; Quantitative estimate of drug-likeness (0–1).

What it is made of

Elements

Cl Chlorine4 atoms · 83.5% by mass
Si Silicon1 atom · 16.5% by mass

Percentages are of the molecular weight above, worked out the same way the molar mass calculator does it.

Structure

Heavy atoms, hydrogen excluded: 5
Total atoms, hydrogen included: 5
Rings: 0
Aromatic rings: 0
Stereocentres: 0
Formal charge: 0

The molecule in three dimensions

Rotate and inspect the atoms. Loaded only when you ask, so the page stays light.

The drawing above is a diagram of what is bonded to what. A molecule is not flat, and the model here is one low-energy shape generated from the connectivity — useful for seeing which groups can reach each other, and not a measured structure. A real sample is a population of conformations, interconverting.

Reactions it appears in

No documented reaction with a written procedure and a source involves Silicon tetrachloride yet.

Other names for it

The systematic name on this record is tetrachlorosilane.

The sources also call it Tetrachlorosilane, Silane, tetrachloro-, Silicon chloride, Tetrachlorosilicon, Chlorid kremicity, Silicio(tetracloruro di), Siliciumtetrachlorid, Siliciumtetrachloride, Silicon chloride (SiCl4), Tetrachlorure de silicium, Silicium(tetrachlorure de).

Structurally related

Nothing structurally close to Silicon tetrachloride has a page here yet.

Seen alongside it in reaction records

Molecules that appear in the same recorded reactions as Silicon tetrachloride. This says nothing about structure: most of them are the bases, solvents, ligands and catalysts the chemistry needed, and they are here because somebody put them in the same flask.

1,2-Dichloroethane

used as a reactant

C₂H₄Cl₂, 98.96 g/mol.

Where these values came from

reference compound database24816
compound record
chemistry engine
structure perception

compound record.

What this page does not claim

Identifiers are copied from the source record, measured values are reported as published, and calculated values are marked as calculated. Nothing here is a hazard, purity or handling assessment — how the library is checked.