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sulfuryl chloride fluoride

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Origin: China

Cas No: 13637-84-8

Specification: 99%min

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CAS No.: 13637-84-8 Formula: ClFO2S Molecular Weight: 118.51500

Description

Sulfuryl chloride fluoride is the chemical compound with the formula SO2ClF. It is employed as a solvent for highly oxidizing compounds.
The laboratory-scale synthesis begins with the preparation of potassium fluorosulfite:
SO2 + KF → KSO2F
This salt is then chlorinated to give sulfuryl chloride fluoride
KSO2F + Cl2 → SO2ClF + KCl
Further heating (180 °C) of potassium fluorosulfite with the sulfuryl chloride fluoride gives sulfuryl fluoride.
Alternatively, sulfuryl chloride fluoride can be prepared without using gases as starting materials by treating sulfuryl chloride with ammonium fluoride or potassium fluoride in trifluoroacetic acid.
SO2Cl2 + NH4F → SO2ClF + NH4Cl

Basic Info

Chemical Name	sulfuryl chloride fluoride
Synonyms	chlorosulfonyl fluoride; EINECS 237-126-2; Sulfuryl fluorochloride; SULFURYL CHLORIDE FLUORIDE; sulphuryl chloride fluoride; Sulfuryl fluoride chloride; Chloro fluoro sulfone; Sulfuryl chlorofluoride; Chlorosulphonyl fluoride; Fluorosulfonyl chloride; Sulfonyl chloride fluoride;
CAS No.	13637-84-8
Molecular Formula	ClFO2S
Molecular Weight	118.51500
PSA	42.52000
LogP	1.52030

Properties

Appearance & Physical State	clear colorless to light yellow liquid
Density	1.784 g/cm3
Boiling Point	7ºC
Melting Point	-125ºC
Flash Point	113 °C
Refractive Index	1.391
Vapor Pressure	1420mmHg at 25°C

Safety Info

RTECS	WT4900000
Hazard Class	2.3
Safety Statements	S26; S27; S28
WGK Germany	3
RIDADR	UN 2922 8/PG 1
Risk Statements	R14
Hazard Codes	T

Synthesis Route

Sulfuryl dichloride+Antimony trifluoride→hydrogen chloride+sulfuryl chloride fluoride
PYROSULFURYL CHLORIDE+iodide pentafluoride→Disulfuryl difluoride+
ANTIMONY DICHLOROTRIFLUORIDE+sulfur trioxide→Disulfuryl difluoride+sulfuryl chloride fluoride

Precursor

Antimony trifluoride
sulfur dioxide
Sulfuryl dichloride
fluoridochlorine

Downstream Product

acesulfame
2-ethenylbenzenesulfonamide
N,N-diethylsulfamoyl chloride

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