Thionyl fluoride supplier | CasNO.7783-42-8

Name
Thionyl fluoride
EINECS 231-997-2
CAS No. 7783-42-8
Article Data123
CAS DataBase
Density 1.758 g/cm³
Solubility Hydrolysis in water, soluble in ethanol and benzene
Melting Point -129 °C
Formula F₂OS
Boiling Point -43.8 °C
Molecular Weight 86.0622
Flash Point
Transport Information
Appearance Colorless gas
Safety 36/37/39-45
Risk Codes 20-34
Molecular Structure
Hazard Symbols C,F,T
Synonyms Sulfurdifluoride monoxide;Sulfur difluoride oxide;Sulfur fluoride oxide (SF₂O);Sulfur oxide fluoride (SOF₂);Sulfur oxyfluoride (SOF₂);Sulfurous oxyfluoride;Thionyl difluoride;
PSA 36.28000
LogP 1.36980

Synthetic route

: 7783-72-4, 44247-54-3
vanadium pentafluoride

: 7446-09-5
sulfur dioxide

: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: VOF3; vigorous react.;	97.8%

: 7719-09-7
thionyl chloride

: 7782-41-4
fluorine

: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
In further solvent(s) fluorination (N2 carrier gas (ratio F/N2 1:5), -50°C, als solvent freon-11);	80%
In neat (no solvent) at 0°C under inflammation (pale blue); further oxifluoride formed;;

: 1186-51-2
(trifluoroethenyl)pentafluorosulfur(VI)

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 42310-84-9
bis(pentafluorosulfur)oxide

C: 75-72-9
chlorotrifluoromethane

D: 54555-26-9
difluoro(pentafluorosulfanyl)acetyl fluoride

E: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
With oxygen 25°C, 12 h, further product;	A n/a B n/a C n/a D 72% E n/a
With O2 25°C, 12 h, further product;	A n/a B n/a C n/a D 72% E n/a
With ozone 25°C, 12 h, further product;	A n/a B n/a C n/a D 52% E n/a
With O3 25°C, 12 h, further product;	A n/a B n/a C n/a D 52% E n/a

...Expand

: 22687-88-3
(1,2-dibromotrifluoroethyl)pentafluorosulfur(VI)

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 5714-22-7
disulfur decafluoride

C: 354-49-4
1,2,2-tribromo-1,1,2-trifluoroethane

D: 7783-61-1
silicon tetrafluoride

E: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
Irradiation (UV/VIS); irradiated (Hanovia S 500 lamp) in silica ampule, 20 h, further products;	A n/a B n/a C 49% D n/a E n/a

...Expand

: 7719-09-7
thionyl chloride

: 2127-74-4
1,2,2,2-tetrafluoro-ethanesulfonyl fluoride

: 121-44-8
triethylamine

A: 14177-25-4
thionyl chlorofluoride

B: 25221-39-0
1-chlorotetrafluoroethanesulfonyl chloride

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
-70°C;	A n/a B 47% C n/a
-70°C;	A n/a B 47% C n/a

...Expand

: 13997-90-5
chlorine fluorosulfate

: 7783-60-0
sulfur tetrafluoride

A: 88548-62-3, 88588-20-9
SF4(Cl)OSO2F

B: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
In neat (no solvent) ClOSO2F transferred under static vac. to FEP reactor, SF4 condensed andreactor placed in 0°C bath and left for 1.5 h; reactor cooled to -95°C, volatile materials pumped from -95 to -70°C, reactor allowed to warm to room temp., volatile materials pumped into -196°C trap and fractionated, product refractionated through -63°C trap;	A 46% B n/a

...Expand

: 12395-41-4
bis(pentafluorosulfur) peroxide

: 7446-09-5
sulfur dioxide

A: 173009-97-7, 118492-84-5, 13709-54-1
thionyl tetrafluoride

B: 81439-35-2
pentafluorosulfur fluorosulfonate

C: 7446-11-9
sulfur trioxide

D: 7783-42-8
thionyl fluoride

E: 2551-62-4
sulphur hexafluoride

Conditions

Conditions	Yield
byproducts: SiF4, sulfur; other Radiation; photochemical reaction with 253.7 nm radiation, 48 h;	A n/a B 45% C n/a D n/a E n/a

...Expand

: 505-14-6
thiocyanogen

: 7782-41-4
fluorine

A: 15930-75-3
thiazyl trifluoride

B: 1512-13-6
sulphur cyanide pentafluoride

C: 7783-60-0
sulfur tetrafluoride

D: 7783-42-8
thionyl fluoride

E: 2551-62-4
sulphur hexafluoride

Conditions

Conditions	Yield
In further solvent(s) byproducts: (FCN)3; reactn. of a soln. of dirhodane in FCl2C-CClF2 with diluted F2 (F2:N2 0 1:10); cooled down to -183°C; solvent removed by condensation; mixt. condensed to aq. KOH-soln. at room temp. to remove SF4, SOF and (FCN)3; sepn. by fractionated condensation at -127°C, -140°C, -196°C;	A 8% B 5% C 30% D 40% E 3%

...Expand

: 7783-54-2
nitrogen trifluoride

: 7446-11-9
sulfur trioxide

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 2NO(1+)*S2O5F4(2-)=(NO)2S2O5F4

C: 7783-42-8
thionyl fluoride

D: 2551-62-4
sulphur hexafluoride

Conditions

Conditions	Yield
byproducts: NO, NO2; 520 °C, nickel tube;	A 30% B n/a C 4% D <1

...Expand

: potassium fluoride

: S8(2+)*2AsF6(1-) = S8(AsF6)2

: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
In liquid sulphur dioxide	15%

: 1801-00-9
N-(pentafluorosulfanyl)-(dichloro)methanimide

A: 804533-76-4
Schwefelpentafluorid-isocyanid

B: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
With P(i-Pr)3 In neat (no solvent) byproducts: 2-fluoro-propane, SOF2; all manipulations in dry evacuated apparatus; S and P compds. added through septum into liq. N2 cooled apparatus; trap at -196°C contained F5SNC, other compds. in trap at -120°C;	A 10% B n/a
With tris(2-octyl) phosphite In neat (no solvent) byproducts: SOF2; all manipulations in dry evacuated apparatus under Ar; S and P compds. added through septum into liq. N2 cooled apparatus then allowed to warm very slowly with stirring; trap at -196°C contained F5SNC, other compds. in trap at -100°C and -78°C;

: 7719-09-7
thionyl chloride

: 15930-75-3
thiazyl trifluoride

: 7664-39-3
hydrogen fluoride

A: 25502-15-2
SF5N=SCl2

B: 80997-19-9
((pentafluorosulfanyl)imino)chlorofluorosulfane

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
HF and NSF3 were condesed in Kel-F reactor at -196°C, allowed toreact at room temp. overnight, SOCl2 added, reacted at room temp. for 2weeks and volatile products were condensed into a NaF scrubber; fractionation through a series of traps at -10, -78, and -196°C in vac., a -78°C trap contained the product, distillation;	A 9.6% B <1 C n/a
HF and NSF3 were condesed in steel cylinder at -196°C, allowed to react at room temp. for 1 h, SOCl2 added, heated at 79°C for 24h and volatile products were condensed into a NaF scrubber; fractionation through a series of traps at -10, -78, and -196°C in vac., a -78°C trap contained the product, distillation;	A 2% B n/a C n/a

...Expand

: 10578-16-2
dinitrogen difluoride

: 7446-09-5
sulfur dioxide

A: 13036-75-4
fluorosulfonyl anhydride

B: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

C: 173009-97-7, 118492-84-5, 13709-54-1
thionyl tetrafluoride

D: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: N2O, N2;

...Expand

: 10578-16-2
dinitrogen difluoride

: 7446-09-5
sulfur dioxide

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 13637-84-8
fluorosulfonylchloride

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
With chlorin byproducts: S2O5F2, SOF4, N2O, N2; 100°C, 1.5 h, in autoclave;

...Expand

: 10578-16-2
dinitrogen difluoride

: 7446-09-5
sulfur dioxide

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: S2O5F2, SOF4, N2O, N2; 100°C, 1.5 h, in autoclave;

...Expand

: 373-91-1
hypofluorous acid trifluoromethyl ester

: 7446-09-5
sulfur dioxide

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: Trifluormethyl-fluordisulfat

C: 1479-52-3
Bis-(trifluormethyl)-sulfat

D: trifluoromethanesulfonyl hypofluorite

E: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: CO2; 170-180°C, further products; fractionated distn.;

...Expand

: 7783-41-7
difluoroether

: 7783-06-4
hydrogen sulfide

A: 7704-34-9
sulfur

B: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: S, HF; 12 h, room temp.;
byproducts: S, HF; 12 h, room temp.;

...Expand

: sodium thiosulfate

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: sodium fluoride

C: 7757-82-6
sodium sulfate

D: 7783-42-8
thionyl fluoride

E: 2551-62-4
sulphur hexafluoride

Conditions

Conditions	Yield
With fluorine byproducts: O2; -80°C;
With F2 byproducts: O2; -80°C;

...Expand

: 7446-09-5
sulfur dioxide

: 373-68-2
tetramethylammonium fluoride

: nitrosonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: fluorosulfate(1-)

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
In liquid sulphur dioxide
In sulfur dioxide

...Expand

: 7783-60-0
sulfur tetrafluoride

: 7446-09-5
sulfur dioxide

: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
50-150°C;
50-150°C;

: 7446-09-5
sulfur dioxide

: 7647-19-0, 874483-74-6
phosphorus pentafluoride

: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
With trifluorophosphoric acid other Radiation; CO2-laser radiation; react. rate increased by Xe or Kr, decreased by He, Ne, Ar;

: 13780-57-9
pentafluorosulfanyl chloride

: 7446-09-5
sulfur dioxide

A: 7791-25-5
sulfuryl dichloride

B: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

C: 5714-22-7
disulfur decafluoride

D: 81439-35-2
pentafluorosulfur fluorosulfonate

E: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: SiF4; other Radiation; photochemical reaction with 253.7 nm radiation, 48 h, in glass vessel;	A n/a B n/a C <1 D n/a E n/a

...Expand

: 7446-09-5
sulfur dioxide

: 2551-62-4
sulphur hexafluoride

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 7783-60-0
sulfur tetrafluoride

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
Kinetics; other Radiation; no react. on mere heating at 627 °C, but induction by CO2-laser;

...Expand

: 7446-09-5
sulfur dioxide

: 7783-82-6
tungsten(VI) fluoride

A: 13520-79-1, 52049-91-9
tungsten oxide tetrafluoride

B: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
In liquid sulphur dioxide 20°C;

...Expand

: 5714-22-7
disulfur decafluoride

: 7446-09-5
sulfur dioxide

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 81439-35-2
pentafluorosulfur fluorosulfonate

C: 7446-11-9
sulfur trioxide

D: 7783-42-8
thionyl fluoride

E: 2551-62-4
sulphur hexafluoride

Conditions

Conditions	Yield
byproducts: SiF4, sulfur; other Radiation; photochemical reaction with 253.7 nm radiation, in glass vessel;

...Expand

: 7783-60-0
sulfur tetrafluoride

: 7446-11-9
sulfur trioxide

A: 13036-75-4
fluorosulfonyl anhydride

B: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
50-150 °C, exclusion of oxygen, SO3:SF4 = 1:2;
50-150 °C, exclusion of oxygen, SO3:SF4 = 1:2;

...Expand

: 7664-39-3
hydrogen fluoride

: 7783-06-4
hydrogen sulfide

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 7783-60-0
sulfur tetrafluoride

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
With potassium fluoride; water In hydrogen fluoride Electrochem. Process; 5% KF, in presence of moisture, electrofluorination;
With water; sodium fluoride In hydrogen fluoride Electrochem. Process; 5% NaF, in presence of moisture, electrofluorination;
With NaF; H2O In hydrogen fluoride HF (liquid); Electrochem. Process; 5% NaF, in presence of moisture, electrofluorination;
With KF; H2O In hydrogen fluoride HF (liquid); Electrochem. Process; 5% KF, in presence of moisture, electrofluorination;

...Expand

: 7719-09-7
thionyl chloride

: zinc(II) fluoride

: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
In neat (no solvent)
In neat (no solvent)

: 7783-60-0
sulfur tetrafluoride

: 7632-00-0
sodium nitrite

A: 173009-97-7, 118492-84-5, 13709-54-1
thionyl tetrafluoride

B: N2O3SF5

C: 7783-42-8
thionyl fluoride

Conditions

Conditions	Yield
byproducts: SF6; 200-300°C, 2-8 h;
byproducts: SF6; 200-300°C, 2-8 h;

...Expand

: 7631-99-4
sodium nitrate

: 7783-60-0
sulfur tetrafluoride

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 173009-97-7, 118492-84-5, 13709-54-1
thionyl tetrafluoride

C: sodium fluoride

D: 7783-42-8
thionyl fluoride

E: 2551-62-4
sulphur hexafluoride

Conditions

Conditions	Yield
byproducts: N2, NO; 200 - 300°C, 8 h; content of formed gas mixture: 27 vol.-% SOF4, 27 vol.-% SOF2, 5.2 vol.-% SF6, 1 vol.-% SO2F2, 35 vol.-% N2, 1 vol.-% NO;
byproducts: N2, NO; 200 - 300°C, 8 h; content of formed gas mixture: 27 vol.-% SOF4, 27 vol.-% SOF2, 5.2 vol.-% SF6, 1 vol.-% SO2F2, 35 vol.-% N2, 1 vol.-% NO;

...Expand

: 7790-89-8
chlorine monofluoride

: 7783-42-8
thionyl fluoride

: 22675-70-3
pentafuorosulfanyl hypochlorite

Conditions

Conditions	Yield
cesium fluoride In neat (no solvent) absence of air and moisture; activating CsF (in stainless-steel autoclave passivated with F2) with SO2 followed by vac. pyrolysis, condensing SOF2 and excess ClF at -196°C, wrming to -40°C, standing for1 d; fractional low-temp. distn. (condensing at -120°C);	99%

: 373-68-2
tetramethylammonium fluoride

: 7783-42-8
thionyl fluoride

: tetramethylammonium trifluorosulfite

Conditions

Conditions	Yield
In neat (no solvent) Sonication; absence of air and moisture; condensing excess SOF2 onto Me4NF at -196°C, warming to room temp., placing in ultrasonic bath for few h; pumping off excess SOF2 (dry ice temp.);	99%
In acetonitrile absence of air and moisture;

: 7790-94-5
chlorosulfonic acid

: 5329-14-6
aminosulfonic acid

: 7783-42-8
thionyl fluoride

: 14984-73-7
bis(fluorosulfonyl)amide

Conditions

Conditions	Yield
In 1,2-dichloro-ethane at 80℃; under 16501.7 Torr; for 17h; Solvent; Autoclave;	77%

...Expand

Thionyl fluoride Consensus Reports

Reported in EPA TSCA Inventory.

Thionyl fluoride Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/m³
ACGIH TLV: TWA 2.5 mg(F)/m³; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (Inorganic Fluorides) TWA 2.5 mg(F)/m³

Thionyl fluoride Specification

The Thionyl fluoride with CAS registry number of 7783-42-8 is also known as Sulfur difluoride monoxide. The systematic name is Thionyl difluoride. Its EINECS registry number is 231-997-2. In addition, the formula is F₂OS and the molecular weight is 86.06. This chemical is a colorless gas. Besides, it is a a useful reagent as the related derivative.

Physical properties about Thionyl fluoride are: (1)ACD/LogP: 0.16; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.16; (4)ACD/LogD (pH 7.4): 0.16; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)Polar Surface Area: 36.28Å²; (8)Index of Refraction: 1.376; (9)Molar Refractivity: 11.23 cm³; (10)Molar Volume: 48.9 cm³; (11)Polarizability: 4.45×10^-24cm³; (12)Surface Tension: 38.7 dyne/cm; (13)Density: 1.758 g/cm³; (14)Flash Point: °C; (15)Enthalpy of Vaporization: 21.8 kJ/mol; (16)Boiling Point: °C at 760 mmHg; (17)Vapour Pressure: 7510 mmHg at 25 °C.

Preparation of Thionyl fluoride: it is prepared by the reaction of thionyl chloride with fluoride sources such as antimony trifluoride.

3SOCl₂+2SbF₃→3SOF₂+2SbCl₃

When you are using this chemical, please be cautious about it. As a chemical, it is harmful by inhalation and may cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: O=S(F)F
2. InChI: InChI=1S/F2OS/c1-4(2)3
3. InChIKey: LSJNBGSOIVSBBR-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LCLo	inhalation	260ppm/1H (260ppm)	LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Archives des Maladies Professionnelles de Medecine du Travail et de Securite Sociale. Vol. 34, Pg. 581, 1973.
rabbit	LCLo	inhalation	1000ppm/1H (1000ppm)	LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Archives des Maladies Professionnelles de Medecine du Travail et de Securite Sociale. Vol. 34, Pg. 581, 1973.

Product Name

Thionyl fluoride

Synthetic route

Thionyl fluoride Consensus Reports

Thionyl fluoride Standards and Recommendations

Thionyl fluoride Specification

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