Product Name

  • Name

    4-Fluorothiophenol

  • EINECS 206-737-6
  • CAS No. 371-42-6
  • Article Data33
  • CAS DataBase
  • Density 1.206 g/cm3
  • Solubility Not miscible or difficult to mix in water.
  • Melting Point 43-46 °C
  • Formula C6H5FS
  • Boiling Point 162.3 °C at 760 mmHg
  • Molecular Weight 128.17
  • Flash Point 56.3 °C
  • Transport Information UN 3336 3/PG 3
  • Appearance clear colorless to light yellow liquid
  • Safety 26-36-45-16-7/9
  • Risk Codes 10-36/37/38
  • Molecular Structure Molecular Structure of 371-42-6 (4-Fluorothiophenol)
  • Hazard Symbols IrritantXi,FlammableF
  • Synonyms Benzenethiol,p-fluoro- (7CI,8CI);(4-Fluorophenyl)thiol;4-Fluorobenzenethiol;4-Fluorophenyl mercaptan;NSC 77081;p-Fluorobenzenethiol;p-Fluorothiophenol;
  • PSA 38.80000
  • LogP 2.11440

Synthetic route

bis(4-fluorophenyl)disulfide
405-31-2

bis(4-fluorophenyl)disulfide

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
In water; isopropyl alcohol98.5%
98.5%
With sodium tetrahydroborate In water; isopropyl alcohol96.5%
4-fluoro-1-iodobenzene
352-34-1

4-fluoro-1-iodobenzene

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
With copper(l) iodide; thiourea; L-proline; sodium t-butanolate In dimethyl sulfoxide at 90℃; for 24h; Inert atmosphere;97%
Stage #1: 4-fluoro-1-iodobenzene With copper(l) iodide; potassium carbonate; sulfur In N,N-dimethyl-formamide at 90℃; for 8h; Inert atmosphere;
Stage #2: With sodium tetrahydroborate In N,N-dimethyl-formamide at 40℃; Inert atmosphere; Cooling with ice;
88%
p-Fluorophenylsulfenyl methyl thiocarbonate
72050-06-7

p-Fluorophenylsulfenyl methyl thiocarbonate

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

triphenylphosphine sulfide
3878-45-3

triphenylphosphine sulfide

C

Triphenylphosphine oxide
791-28-6

Triphenylphosphine oxide

Conditions
ConditionsYield
With triphenylphosphine In benzene Mechanism; Ambient temperature;A 90%
B 6%
C 94%
4-fluorobenzenesulfonic acid
368-88-7

4-fluorobenzenesulfonic acid

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
With 6% Pd/C; iodine; triphenylphosphine; isopropyl alcohol for 10h; Reflux;92%
4-Fluorobenzenesulfonyl chloride
349-88-2

4-Fluorobenzenesulfonyl chloride

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
With formic acid; 6% Pd/C; triphenylphosphine at 60℃; for 8h;90%
With potassium formate at 200℃; for 7h; neat (no solvent);80%
With sulfuric acid; zinc
With phosphorus; iodine
4-fluorophenylsulphonamide
402-46-0

4-fluorophenylsulphonamide

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
With ammonium formate at 100 - 200℃; for 7h; neat (no solvent);82%
sodium 4-fluorobenzenesulfinate
824-80-6

sodium 4-fluorobenzenesulfinate

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
With hydrogenchloride; tin In water for 24h; Heating;78%
1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
Stage #1: 1-Bromo-4-fluorobenzene With water; caesium carbonate; sodium thiosulfate; bis(dibenzylideneacetone)-palladium(0); XPhos In toluene; tert-butyl alcohol at 80℃; for 24h; Inert atmosphere;
Stage #2: With hydrogenchloride; zinc In water for 1h; Cooling with ice;
73%
With diethyl ether; sulfur; magnesium Kochen des Reaktionsprodukts mit Zink und wss. HCl;
(i) Mg, (ii) sulfur, (iii) Zn, aq. HCl; Multistep reaction;
1-Chloro-4-fluorobenzene
352-33-0

1-Chloro-4-fluorobenzene

A

fluorobenzene
462-06-6

fluorobenzene

B

5-fluorobenzo[b]thiophene
70060-12-7

5-fluorobenzo[b]thiophene

C

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

D

4,4'-difluorodiphenyl sulfide
404-38-6

4,4'-difluorodiphenyl sulfide

Conditions
ConditionsYield
With hydrogen sulfide at 700℃; for 1.5h; Product distribution; Kinetics; Further Variations:; Temperatures; Reagents; Substitution; Reduction;A n/a
B n/a
C 18%
D 28%
[Dimethylamino-(4-fluoro-phenylsulfanyl)-methylene]-dimethyl-ammonium; iodide

[Dimethylamino-(4-fluoro-phenylsulfanyl)-methylene]-dimethyl-ammonium; iodide

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

tetramethylurea
632-22-4

tetramethylurea

Conditions
ConditionsYield
at 20℃; Rate constant; pH=11;
(4-fluorophenylthio)acetic acid
332-51-4

(4-fluorophenylthio)acetic acid

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

Glyoxilic acid
298-12-4

Glyoxilic acid

Conditions
ConditionsYield
With perchloric acid; sodium perborate; acetic acid at 24.9℃; Rate constant; Thermodynamic data; Mechanism; var. temp., ΔH(excit.), ΔS(excit.);
fluorobenzene
462-06-6

fluorobenzene

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
(i) ClSO3H, (ii) Zn, aq. H2SO4; Multistep reaction;
4-fluoroaniline
371-40-4

4-fluoroaniline

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
(i) NaNO2, aq. HCl, NaOAc, (ii) aq. EtOCS2K, (iii) KOH, glucose; Multistep reaction;
(4-fluorophenylthio)acetic acid
332-51-4

(4-fluorophenylthio)acetic acid

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
With perchloric acid; pyridinium chlorochromate In water; acetic acid at 24.85 - 44.85℃; Kinetics; Oxidation;
biphenyl
92-52-4

biphenyl

bis(4-fluorophenyl)disulfide
405-31-2

bis(4-fluorophenyl)disulfide

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

4-fluoro-3'-phenyldiphenyl sulfide

4-fluoro-3'-phenyldiphenyl sulfide

C

biphenyl-4-yl(4-fluorophenyl)sulfane

biphenyl-4-yl(4-fluorophenyl)sulfane

Conditions
ConditionsYield
With aluminium trichloride In hexane at 25℃; for 3h; Product distribution; Kinetics; Disproportionation; substitution;A 3.7 % Chromat.
B 6.8 % Chromat.
C 69 % Chromat.
ethylbenzene
100-41-4

ethylbenzene

bis(4-fluorophenyl)disulfide
405-31-2

bis(4-fluorophenyl)disulfide

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

4-fluorophenyl 2-ethylphenyl sulfide

4-fluorophenyl 2-ethylphenyl sulfide

C

4-fluorophenyl 4-ethylphenyl sulfide

4-fluorophenyl 4-ethylphenyl sulfide

D

4-fluorophenyl 3-ethylphenyl sulfide

4-fluorophenyl 3-ethylphenyl sulfide

Conditions
ConditionsYield
With aluminium trichloride at 25℃; for 6h; Product distribution; Kinetics; Disproportionation; substitution;A 20 % Chromat.
B 7.0 % Chromat.
C 54 % Chromat.
D 9.0 % Chromat.
bis(4-fluorophenyl)disulfide
405-31-2

bis(4-fluorophenyl)disulfide

toluene
108-88-3

toluene

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

4-fluorophenyl-4'-methylphenyl sulfide
42917-47-5

4-fluorophenyl-4'-methylphenyl sulfide

C

(4-fluorophenyl)(o-tolyl)sulfide

(4-fluorophenyl)(o-tolyl)sulfide

D

4-fluorophenyl 3-tolyl sulfide

4-fluorophenyl 3-tolyl sulfide

Conditions
ConditionsYield
With aluminium trichloride at 25℃; for 3h; Product distribution; Kinetics; Disproportionation; substitution;A 2.2 % Chromat.
B 57 % Chromat.
C 18 % Chromat.
D 9.3 % Chromat.
methanol
67-56-1

methanol

thiophosphoric acid O,O'-diethyl ester S-(4-fluorophenyl) ester
333-42-6

thiophosphoric acid O,O'-diethyl ester S-(4-fluorophenyl) ester

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

diethyl methyl phosphate
867-17-4

diethyl methyl phosphate

Conditions
ConditionsYield
With 1,5,9-triazacyclododecane Zn(2+)-OCH3(1-) at 25℃; pH=9.1; Kinetics; Further Variations:; Reagents;
methyl-phosphonothioic acid O-ethyl ester S-(4-fluoro-phenyl) ester
886227-41-4

methyl-phosphonothioic acid O-ethyl ester S-(4-fluoro-phenyl) ester

sodium methylate
124-41-4

sodium methylate

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

O-ethyl O-methyl methylphosphonate
18755-36-7

O-ethyl O-methyl methylphosphonate

Conditions
ConditionsYield
With N-ethylmorpholine;; perchloric acid; sodium methylate; La(OTf) In methanol Title compound not separated from byproducts;
lanthanum(lll) triflate In methanol Kinetics; Further Variations:; Catalysts;
C7H7ClFOPS

C7H7ClFOPS

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Na2CO3 / tetrahydrofuran / 0.5 h
2: La(OTf)3 / methanol
View Scheme
methanol
67-56-1

methanol

C7H8FO2PS
1284189-31-6

C7H8FO2PS

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

methyl hydrogen methylphosphonate
1066-53-1

methyl hydrogen methylphosphonate

Conditions
ConditionsYield
With lanthanum(lll) triflate at 25℃; pH=8.4; Kinetics; Mechanism; pH-value; aq. buffer;
C13H11F2OPS2

C13H11F2OPS2

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium hydroxide / 1,4-dioxane; water / 8 h / 50 °C
2: lanthanum(lll) triflate / 25 °C / pH 8.4 / aq. buffer
View Scheme
4-(4-fluorophenylthio)-7-nitrobenzo[c][1,2,5]oxadiazole
882289-35-2

4-(4-fluorophenylthio)-7-nitrobenzo[c][1,2,5]oxadiazole

A

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

B

7-nitrobenzo[c][1,2,5]oxadiazole-4-thiol
16597-09-4

7-nitrobenzo[c][1,2,5]oxadiazole-4-thiol

Conditions
ConditionsYield
With sodium hydrogen sulfide In aq. buffer pH=7.4;
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

bis(4-fluorophenyl)disulfide
405-31-2

bis(4-fluorophenyl)disulfide

Conditions
ConditionsYield
1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In chloroform at 20℃; for 0.0166667h;100%
With (S)-tetrahydrotellurophen-3-amine hydrochloride; dihydrogen peroxide In dichloromethane at 25℃; pH=7.5; Flow reactor;100%
With melamine hydrogen peroxide In acetonitrile for 0.25h; Reflux;99%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

4-chlorobenzonitrile
100-00-5

4-chlorobenzonitrile

4-fluorophenyl 4′-nitrophenyl sulfide
2438-85-9

4-fluorophenyl 4′-nitrophenyl sulfide

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20 - 25℃; for 16h;100%
With potassium carbonate In N,N-dimethyl-formamide at 100℃;98%
With potassium hydroxide
(i) Na, EtOH, (ii) /BRN= 508691/; Multistep reaction;
With potassium carbonate In acetonitrile at 20℃; for 48h; Inert atmosphere;
2-iodo-propane
75-30-9

2-iodo-propane

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

1-Fluoro-4-(isopropylthio)benzene
702-13-6

1-Fluoro-4-(isopropylthio)benzene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃;100%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

4-fluorobenzenesulfinic acid lithium salt

4-fluorobenzenesulfinic acid lithium salt

Conditions
ConditionsYield
With methyllithium; N-(benzenesulfonyl)-3-phenyloxaziridine In tetrahydrofuran; diethyl ether at -78 - -10℃;100%
With methyllithium; N-(benzenesulfonyl)-3-phenyloxaziridine In tetrahydrofuran; diethyl ether at -78 - -40℃;
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

1-(tert-butoxycarbonyl)piperidin-4-yl methanesulfonate
141699-59-4

1-(tert-butoxycarbonyl)piperidin-4-yl methanesulfonate

tert-butyl 4-[(4-fluorophenyl)sulfanyl]piperidine-1-carboxylate
226398-48-7

tert-butyl 4-[(4-fluorophenyl)sulfanyl]piperidine-1-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 18h; Heating / reflux;100%
With potassium carbonate In acetonitrile at 85℃;95%
With potassium carbonate In acetonitrile at 85℃;95%
With potassium carbonate In acetonitrile at 85℃;95%
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 7h;86%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

bromoacetic acid tert-butyl ester
5292-43-3

bromoacetic acid tert-butyl ester

2-(4-fluoro-benzenesulfanyl)-acetic acid tert-butyl ester
212770-40-6

2-(4-fluoro-benzenesulfanyl)-acetic acid tert-butyl ester

Conditions
ConditionsYield
100%
100%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

4-chlorobenzonitrile
100-00-5

4-chlorobenzonitrile

4-fluorophenyl-4-nitrophenyl sulfide

4-fluorophenyl-4-nitrophenyl sulfide

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20 - 25℃; for 16h;100%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

tert-Butyl chloroacetate
107-59-5

tert-Butyl chloroacetate

2-(4-fluoro-benzenesulfanyl)-acetic acid tert-butyl ester
212770-40-6

2-(4-fluoro-benzenesulfanyl)-acetic acid tert-butyl ester

Conditions
ConditionsYield
With dmap; potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃;100%
8-chloro-3-iodo-quinoline
847727-21-3

8-chloro-3-iodo-quinoline

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

8-chloro-3-[(4-fluorophenyl)sulfanyl]quinoline
870301-30-7

8-chloro-3-[(4-fluorophenyl)sulfanyl]quinoline

Conditions
ConditionsYield
With potassium phosphate; copper(l) iodide In ethylene glycol at 20 - 80℃; for 18h;100%
With potassium phosphate; copper(l) iodide In ethylene glycol at 20 - 80℃; for 18h;100%
With copper(l) iodide; caesium carbonate In N,N-dimethyl-formamide at 100℃;94%
With potassium phosphate; copper(l) iodide In ethylene glycol at 20 - 80℃; for 18h;
2,2-dimethyl-3(2H)-furanone
35298-48-7

2,2-dimethyl-3(2H)-furanone

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

4-[(4-Fluorophenyl)sulfonyl]methyl-2,2-dimethyl-3(2H)-furanone

4-[(4-Fluorophenyl)sulfonyl]methyl-2,2-dimethyl-3(2H)-furanone

Conditions
ConditionsYield
With formaldehyd; triethylamine In ethanol100%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

2-bromo-5-[chloro(2,5-difluorophenyl)methyl]-4-methylpyridine
913091-70-0

2-bromo-5-[chloro(2,5-difluorophenyl)methyl]-4-methylpyridine

2-bromo-5-[(2,5-difluorophenyl)[(4-fluorophenyl)thio]methyl]-4-methylpyridine
913091-71-1

2-bromo-5-[(2,5-difluorophenyl)[(4-fluorophenyl)thio]methyl]-4-methylpyridine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; for 1h;100%
2-(4-fluoro-benzenesulfanyl)-acetic acid tert-butyl ester
212770-40-6

2-(4-fluoro-benzenesulfanyl)-acetic acid tert-butyl ester

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

bromoacetic acid tert-butyl ester
5292-43-3

bromoacetic acid tert-butyl ester

2-(4-Fluoro-benzenesulfonyl)-2-pyridin-3-ylmethyl-hex-4-ynoic acid hydroxyamide

2-(4-Fluoro-benzenesulfonyl)-2-pyridin-3-ylmethyl-hex-4-ynoic acid hydroxyamide

Conditions
ConditionsYield
100%
4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

(2R)-3-bromo-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide
206193-17-1

(2R)-3-bromo-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide

(R)-Thiobicalutamide

(R)-Thiobicalutamide

Conditions
ConditionsYield
Stage #1: 4-Fluorothiophenol With sodium hydride In tetrahydrofuran; mineral oil
Stage #2: (2R)-3-bromo-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide In tetrahydrofuran; mineral oil at 20℃; for 20h;
100%
Stage #1: 4-Fluorothiophenol With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃;
Stage #2: (2R)-3-bromo-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide In tetrahydrofuran; mineral oil at 0 - 20℃;
88%
Stage #1: 4-Fluorothiophenol With sodium hydride In tetrahydrofuran; mineral oil Inert atmosphere;
Stage #2: (2R)-3-bromo-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide In tetrahydrofuran; mineral oil at 20℃; for 24h; Inert atmosphere;
60%
Stage #1: 4-Fluorothiophenol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h; Inert atmosphere;
Stage #2: (2R)-3-bromo-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere;

4-Fluorothiophenol Chemical Properties


IUPAC Name: 4-Fluorobenzenethiol
Canonical SMILES: C1=CC(=CC=C1F)S
InChI: InChI=1S/C6H5FS/c7-5-1-3-6(8)4-2-5/h1-4,8H
InChIKey: OKIHXNKYYGUVTE-UHFFFAOYSA-N
Molecular Weight: 128.167303 [g/mol]
Molecular Formula: C6H5FS
XLogP3: 2.3
H-Bond Donor: 0
H-Bond Acceptor: 1 
EINECS: 206-737-6 
storage temp.: Flammables area
Sensitive: Stench
Appearance: clear colorless to light yellow liquid
Melting Point: 43-46 °C
Index of Refraction: 1.561
Molar Refractivity: 34.42 cm3
Molar Volume: 106.2 cm3
Surface Tension: 37.4 dyne/cm
Density: 1.206 g/cm3
Flash Point: 56.3 °C
Enthalpy of Vaporization: 38.24 kJ/mol
Boiling Point: 162.3 °C at 760 mmHg
Vapour Pressure: 2.85 mmHg at 25 °C
Product Categories of Benzenethiol,4-fluoro- (CAS NO.371-42-6): Fluorobenzene; Phenol & Thiophenol & Mercaptan; Miscellaneous

4-Fluorothiophenol Safety Profile

Hazard Codes: IrritantXi,FlammableF
Risk Statements: 10-36/37/38 
R10:Flammable. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-45-16-7/9 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S16:Keep away from sources of ignition. 
S7:Keep container tightly closed. 
S9:Keep container in a well-ventilated place.
RIDADR: UN 3336 3/PG 3
WGK Germany: 3
Hazard Note: Irritant/Stench
HazardClass: 3
PackingGroup of Benzenethiol,4-fluoro- (CAS NO.371-42-6): III

4-Fluorothiophenol Specification

  Benzenethiol,4-fluoro- (CAS NO.371-42-6), its Synonyms are 4-Fluorothiophenol ; 4-Mercaptofluorobenzene ; Benzenethiol,p-fluoro- (7CI,8CI) ; 4-Fluorophenyl mercaptan ; p-Fluorobenzenethiol ; p-Fluorothiophenol .

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