S

Sulfuryl chloride

IUPAC: sulfuryl dichloride

SO2Cl2 Inorganic Compounds CAS 7791-25-5
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Quick Reference
Formula / NotationSO2Cl2
CAS Number7791-25-5
Molecular Weight134.97
Melting Point-54.1 °C
Boiling Point156.4 °F at 760 mmHg (USCG, 1999)
Density1.67 at 68 °F (USCG, 1999) - Denser than water; will sink
SolubilityMiscible with benzene, toluene, ether, glacial acetic acid, and other org solvents
AppearanceSulfuryl chloride appears as a colorless fuming liquid with a pungent odor. Very toxic by inhalation. Corrosive to metals and tissue.
Also Known Assulfuryl dichloride; Sulfuryl dichloride; 7791-25-5; Sulfonyl chloride; Sulphuryl chloride; Sulfonyl dichloride; Sulfuric dichloride; Sulfuric oxychloride; Sulfuryl chloride (SO2Cl2); Sulfur oxychloride (SO2Cl2)
CategoryInorganic Compounds

What is Sulfuryl chloride?

Sulfuryl chloride (SO2Cl2) is an inorganic compound that appears as Sulfuryl chloride appears as a colorless fuming liquid with a pungent odor. Very toxic by inhalation. Corrosive to metals and tissue.. It has a molecular weight of 134.97 g/mol. Its IUPAC name is sulfuryl dichloride. Boiling point: 156.4 °F at 760 mmHg (USCG, 1999). Melting point: -54.1 °C.

Formula & Notation

SO2Cl2

IUPAC Name: sulfuryl dichloride

Other Names / Synonyms: sulfuryl dichloride; Sulfuryl dichloride; 7791-25-5; Sulfonyl chloride; Sulphuryl chloride; Sulfonyl dichloride; Sulfuric dichloride; Sulfuric oxychloride; Sulfuryl chloride (SO2Cl2); Sulfur oxychloride (SO2Cl2)

Properties & Characteristics

Appearance: Sulfuryl chloride appears as a colorless fuming liquid with a pungent odor. Very toxic by inhalation. Corrosive to metals and tissue.. Molecular formula: Cl2O2S. Molecular weight: 134.97 g/mol. Boiling point: 156.4 °F at 760 mmHg (USCG, 1999). Melting point: -54.1 °C. Density: 1.67 at 68 °F (USCG, 1999) - Denser than water; will sink. Solubility: Miscible with benzene, toluene, ether, glacial acetic acid, and other org solvents. Vapor pressure: 140.0 [mmHg]. LogP: 1.2.

Physical Data

PropertyValue
Melting Point-54.1 °C
Boiling Point156.4 °F at 760 mmHg (USCG, 1999)
Density1.67 at 68 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight134.97
SolubilityMiscible with benzene, toluene, ether, glacial acetic acid, and other org solvents
AppearanceSulfuryl chloride appears as a colorless fuming liquid with a pungent odor. Very toxic by inhalation. Corrosive to metals and tissue.

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 Sulfuryl chloride
Formula SO2Cl2
CAS Number 7791-25-5
Molecular Weight 134.97
Synonyms sulfuryl dichloride; Sulfuryl dichloride; 7791-25-5; Sulfonyl chloride; Sulphuryl chloride; Sulfonyl dichloride; Sulfuric dichloride; Sulfuric oxychloride; Sulfuryl chloride (SO2Cl2); Sulfur oxychloride (SO2Cl2)

Frequently Asked Questions

Sulfuryl chloride (SO2Cl2) is an inorganic compound that appears as Sulfuryl chloride appears as a colorless fuming liquid with a pungent odor. Very toxic by inhalation. Corrosive to metals and tissue.. It has a molecular weight of 134.97 g/mol. Its IUPAC name is sulfuryl dichloride. Boiling point: 156.4 °F at 760 mmHg (USCG, 1999). Melting point: -54.1 °C.

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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.