Trichlorosilane

An inorganic compound, HCl3Si, 135.453 g/mol. Boiling point 31.8 °C at 760 mm Hg, melting point -126.5 °C, as published.

verified recordInorganic compound8 measured properties

Identifiers

Molecular formula: HCl₃Si
Molecular weight: 135.453 g/mol
Exact mass: 133.89131 g/mol
IUPAC name: trichlorosilane
SMILES: Cl[SiH](Cl)Cl
InChI: InChI=1S/Cl3HSi/c1-4(2)3/h4H
InChIKey: ZDHXKXAHOVTTAH-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: 90 °F at 760 mmHg (USCG, 1999)measured · CAMEO Chemicals; 31.8 °C at 760 mm Hg, also reported as 36.5 °C /at 760 mm Hg/measured · Hazardous Substances Data Bank (HSDB)
Melting Point: -197 °F (USCG, 1999)measured · CAMEO Chemicals; -126.5 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Density: 1.344 at 68 °F (USCG, 1999) - Denser than water; will sinkmeasured · CAMEO Chemicals; 1.3417 at 20 °C/4 °C; 1.3830 at 0 °C/4 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Solubility: Sol in benzene, carbon disulfide, chloroform, carbon tetrachloridemeasured · Hazardous Substances Data Bank (HSDB); Sol in ether, heptane, perchloroethylenemeasured · Hazardous Substances Data Bank (HSDB)
Vapor Pressure: 594.0 [mmHg]measured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases; Vapor pressure, kPa at 20 °C: 65.8measured · ILO-WHO International Chemical Safety Cards (ICSCs)
Flash Point: greater than -58 °F (USCG, 1999)measured · CAMEO Chemicals; [ERG 2016] -14 °Cmeasured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Viscosity: 0.397 centipoise at 0 °C; 0.332 centipoise at 20 °C; 0.316 centipoise at 25 °Cmeasured · O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1719
Refractive Index: Index of refraction: 1.4020 at 20 °C/D; 1.3983 at 25 °C/Dmeasured · O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1719

Calculated properties

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

Molecular weight: 135.45 g/molcalculated · reference compound database; Average mass of one molecule, from reference compound database.
Exact mass: 133.89131 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: 8calculated · 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: 1.42calculated · 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: 24.708 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: 0.3481calculated · chemistry engine; Quantitative estimate of drug-likeness (0–1).

What it is made of

Elements

Cl Chlorine3 atoms · 78.5% by mass
Si Silicon1 atom · 20.7% by mass
H Hydrogen1 atom · 0.7% 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: 4
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 Trichlorosilane yet.

Other names for it

The systematic name on this record is trichlorosilane.

The sources also call it RefChem:53380, DTXSID4029301, EC 233-042-5, EINECS 233-042-5, QZY2645L6V, Silane A-19, Silane, trichloro-, Silici-chloroforme, Siliciumchloroform, Silicochloroform, Silicon chloride hydride (SiHCl3), Trichloorsilaan.

Structurally related

Nothing structurally close to Trichlorosilane has a page here yet.

Seen alongside it in reaction records

Molecules that appear in the same recorded reactions as Trichlorosilane. 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-[6-(Diphenylphosphino)-4,7-dimethylindan-5-yl]-2-methoxynaphthalene

formed as a product

C₃₄H₃₁OP, 486.595 g/mol.

(-)-1-[6-(Diphenylphosphinoyl)-4,7-dimethylindan-5-yl]-2-methoxynaphthalene

used as a reactant

C₃₄H₃₁O₂P, 502.594 g/mol.

(2-Phenylethyl)trichlorosilane

formed as a product

C₈H₉Cl₃Si, 239.605 g/mol.

1,2-Dimethoxyethane

used as a reactant

C₄H₁₀O₂, 90.122 g/mol.

Where these values came from

reference compound database24811
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.