S

Silicon tetrachloride

IUPAC: tetrachlorosilane

SiCl4 Inorganic Compounds CAS 10026-04-7
Expert Written | Fact Checked | Sources Cited | AllChemicals Editorial Team
Quick Reference
Formula / NotationSiCl4
CAS Number10026-04-7
Molecular Weight169.9
Melting Point-94 °F (USCG, 1999)
Boiling Point135.7 °F at 760 mmHg (USCG, 1999)
Density1.48 at 68 °F (USCG, 1999) - Denser than water; will sink
SolubilityMiscible with benzene, ether, chloroform, petroleum ether
AppearanceSilicon tetrachloride is a colorless, fuming liquid with a pungent odor. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue in the presence ...
Also Known Astetrachlorosilane; Tetrachlorosilane; 10026-04-7; Silane, tetrachloro-; Silicon chloride; Tetrachlorosilicon; Chlorid kremicity; Silicio(tetracloruro di); Siliciumtetrachlorid; Siliciumtetrachloride
CategoryInorganic Compounds

What is Silicon tetrachloride?

Silicon tetrachloride (SiCl4) is an inorganic compound that appears as Silicon tetrachloride is a colorless, fuming liquid with a pungent odor. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue in the presence .... It has a molecular weight of 169.9 g/mol. Its IUPAC name is tetrachlorosilane. Boiling point: 135.7 °F at 760 mmHg (USCG, 1999). Melting point: -94 °F (USCG, 1999).

Formula & Notation

SiCl4

IUPAC Name: tetrachlorosilane

Other Names / Synonyms: tetrachlorosilane; Tetrachlorosilane; 10026-04-7; Silane, tetrachloro-; Silicon chloride; Tetrachlorosilicon; Chlorid kremicity; Silicio(tetracloruro di); Siliciumtetrachlorid; Siliciumtetrachloride

Properties & Characteristics

Appearance: Silicon tetrachloride is a colorless, fuming liquid with a pungent odor. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue in the presence .... Molecular formula: Cl4Si. Molecular weight: 169.9 g/mol. Boiling point: 135.7 °F at 760 mmHg (USCG, 1999). Melting point: -94 °F (USCG, 1999). Density: 1.48 at 68 °F (USCG, 1999) - Denser than water; will sink. Solubility: Miscible with benzene, ether, chloroform, petroleum ether. Vapor pressure: 236.0 [mmHg].

Physical Data

PropertyValue
Melting Point-94 °F (USCG, 1999)
Boiling Point135.7 °F at 760 mmHg (USCG, 1999)
Density1.48 at 68 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight169.9
SolubilityMiscible with benzene, ether, chloroform, petroleum ether
AppearanceSilicon tetrachloride is a colorless, fuming liquid with a pungent odor. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue in the presence ...

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Silicon tetrachloride
Formula SiCl4
CAS Number 10026-04-7
Molecular Weight 169.9
Synonyms tetrachlorosilane; Tetrachlorosilane; 10026-04-7; Silane, tetrachloro-; Silicon chloride; Tetrachlorosilicon; Chlorid kremicity; Silicio(tetracloruro di); Siliciumtetrachlorid; Siliciumtetrachloride

Frequently Asked Questions

Silicon tetrachloride (SiCl4) is an inorganic compound that appears as Silicon tetrachloride is a colorless, fuming liquid with a pungent odor. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue in the presence .... It has a molecular weight of 169.9 g/mol. Its IUPAC name is tetrachlorosilane. Boiling point: 135.7 °F at 760 mmHg (USCG, 1999). Melting point: -94 °F (USCG, 1999).

More "S" Terms

View all "S" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.