Trichlorosilane

HCl3Si, 135.453 g/mol. Its structure, the values that were measured, the values that were calculated, and where each one came from.

Inorganic compound8 measured properties

Drawn from the SMILES. It shows how the atoms are connected — not a photograph of a molecule, and not its shape in space.

Identifiers

Molecular formula: HCl₃Si
Molecular weight: 135.453 g/mol
Exact mass: 133.89131 g/mol
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

Both are open without an account.

Measured properties

Values somebody obtained from a sample and published. Where two sources report the same property they are both shown, in the units each used — a disagreement between them is information, and averaging it away would be inventing a number neither one gave.

Boiling Point: 90 °F at 760 mmHg (USCG, 1999)measured · U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) - Hazardous Chemical Data. Commandant Instruction 16465.12C. Washington, D.C.: U.S. Government Printing Office.; 31.8 °C at 760 mm Hg, also reported as 36.5 °C /at 760 mm Hg/measured · 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; 31.8 °Cmeasured · reference compound database; 33 °C @760 [mm Hg]measured · reference compound database
Melting Point: -197 °F (USCG, 1999)measured · U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) - Hazardous Chemical Data. Commandant Instruction 16465.12C. Washington, D.C.: U.S. Government Printing Office.; -126.5 °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; -126.5 °Cmeasured · reference compound database; -128.2 °Cmeasured · reference compound database
Flash Point: greater than -58 °F (USCG, 1999)measured · U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) - Hazardous Chemical Data. Commandant Instruction 16465.12C. Washington, D.C.: U.S. Government Printing Office.; [ERG 2016] -14 °Cmeasured · reference compound database; 7 °F (-14 °C) (Open cup)measured · Fire Protection Guide to Hazardous Materials. 13 ed. Quincy, MA: National Fire Protection Association, 2002., p. 325-109; -27 °C c.c.measured · reference compound database
Solubility: Sol in benzene, carbon disulfide, chloroform, carbon tetrachloridemeasured · 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; Sol in ether, heptane, perchloroethylenemeasured · Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 14th Edition. John Wiley & Sons, Inc. New York, NY 2001., p. 1123; Solubility in water: reactionmeasured · reference compound database
Density: 1.344 at 68 °F (USCG, 1999) - Denser than water; will sinkmeasured · U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) - Hazardous Chemical Data. Commandant Instruction 16465.12C. Washington, D.C.: U.S. Government Printing Office.; 1.3417 at 20 °C/4 °C; 1.3830 at 0 °C/4 °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; Relative density (water = 1): 1.34measured · reference compound database; 1.331 @25 °Cmeasured · reference compound database
Vapor Pressure: 594.0 [mmHg]measured · reference compound database; Vapor pressure, kPa at 20 °C: 65.8measured · reference compound database; 750 [mm Hg] @31.6 °Cmeasured · reference compound database
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 rather than from a sample. These are reproducible and they are not measurements: a calculated partition coefficient and a measured one can differ by a long way, and where both exist they are listed apart on purpose.

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

No systematic name is recorded.

The sources also call it Silane A-19, Silane, trichloro-, Silici-chloroforme, Siliciumchloroform, Silicochloroform, Silicon chloride hydride (SiHCl3), Trichloorsilaan, TRICHLOROMONOSILANE, Trichlorsilan, Triclorosilano, HSiCl3.

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.

(2-Phenylethyl)trichlorosilane

formed as a product

C₈H₉Cl₃Si, 239.605 g/mol.

1,2-Dimethoxyethane

used as a reactant

C₄H₁₀O₂, 90.122 g/mol.

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

used as a reactant

C₃₄H₃₁O₂P, 502.594 g/mol.

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

formed as a product

C₃₄H₃₁OP, 486.595 g/mol.

Where these values came from

chemistry engine
structure perception

No matching record was found in the currently indexed sources (reference compound database)..

What this page does not claim

The identifiers are what the source record holds, copied rather than recomputed. Measured values are reported as their source gave them, units and all; calculated values are marked as calculated and are not measurements. Where a field is absent the page says so, because a blank cell reads as a zero and a guessed value reads as a fact.

Nothing here is a hazard assessment, a purity statement or advice about handling a sample. A flash point quoted from a safety database is a number somebody published, not a judgement by us about whether this molecule is safe for what you intend.