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7791-27-7

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Basic Information
CAS No.: 7791-27-7
Name: PYROSULFURYL CHLORIDE
Article Data: 81
Molecular Structure:
Molecular Structure of 7791-27-7 (PYROSULFURYL CHLORIDE)
Formula: Cl2O5S2
Molecular Weight: 215.035
Synonyms: Chlorosulfonic anhydride;sulphur pentoxydichloride;disulfuric acid dichloride;Disulfuryl chloride;UN1817;Pyrosulfurylchlorid;Sulfur pentoxydichloride;Disulfur pentoxydichloride;disulfuryl dichloride;
Density: 2.156g/cm3
Melting Point: -37oC
Boiling Point: °Cat760mmHg
Flash Point: °C
Hazard Symbols: Decomposes violently with water to sulfuric acid and hydrochloric acid. Corrosive to tissue.
Safety: A very poisonous material that is also corrosive to the eyes, skin, and mucous membranes. Violent reaction with water. Vigorous reaction with phosphorus. When heated to decomposition it emits very toxic fumes of Cl− and SOx. See also CHLOROSULFONIC ACID.
PSA: 94.27000
LogP: 2.13180
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Chemistry

Product Name: Pyrosulfuryl chloride
The MF of Pyrosulfuryl chloride (CAS NO.7791-27-7) is Cl2O5S2.

                             
The MW of Pyrosulfuryl chloride (CAS NO.7791-27-7) is 215.033.
Synonyms of Pyrosulfuryl chloride (CAS NO.7791-27-7): Chlorosulfonic anhydride ; Disulfuryl chloride ; Sulfur pentoxydichloride ; Disulfur pentoxydichloride
Apperance: A colorless fuming liquid with a pungent odor
Index of Refraction: 1.535
Melting Point: -37 °C
Boiling Point: 151 °C
Density: 2.156 g/ml

Uses

  Pyrosulfuryl chloride (CAS NO.7791-27-7) is used in organic synthesis.

Safety Profile

A very poisonous material that is also corrosive to the eyes, skin, and mucous membranes. Violent reaction with water. Vigorous reaction with phosphorus. When heated to decomposition it emits very toxic fumes of Cl− and SOx. See also CHLOROSULFONIC ACID.Safety information of Pyrosulfuryl chloride (CAS NO.7791-27-7):
RIDADR  1817
HazardClass  8
PackingGroup  II

Standards and Recommendations

DOT Classification:  8; Label: Corrosive