Product Name

  • Name

    2,6-DIMETHYLTHIOPHENOL

  • EINECS 204-272-3
  • CAS No. 118-72-9
  • Article Data17
  • CAS DataBase
  • Density 1.027 g/cm3
  • Solubility
  • Melting Point -30°C (estimate)
  • Formula C8H10S
  • Boiling Point 218.2 °C at 760 mmHg
  • Molecular Weight 138.233
  • Flash Point 85.6 °C
  • Transport Information
  • Appearance clear colorless to light yellow liquid
  • Safety 26-36/37/39-36-7/9
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 118-72-9 (2,6-DIMETHYLTHIOPHENOL)
  • Hazard Symbols IrritantXi
  • Synonyms 2,6-Xylenethiol(6CI,7CI,8CI);2,6-Dimethylbenzenethiol;2,6-Dimethylphenylthiol;2,6-Xylyl mercaptan;
  • PSA 38.80000
  • LogP 2.59210

Synthetic route

benzyl (2,6-dimethylphenyl) sulfide

benzyl (2,6-dimethylphenyl) sulfide

2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

Conditions
ConditionsYield
With bis(cyclopentadienyl)titanium dichloride; dibutylmagnesium In n-heptane; diethylene glycol dimethyl ether at 0℃; for 1h;96%
bis(2,6-dimethylphenyl)disulfide
2905-17-1

bis(2,6-dimethylphenyl)disulfide

2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

Conditions
ConditionsYield
With indium; ammonium chloride In ethanol for 1h; Reduction; Heating;94%
With magnesium In methanol for 0.583333h; Ambient temperature;90%
With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 35℃; for 0.333333h; Reduction;80%
2,6-dimethyliodobenzene
608-28-6

2,6-dimethyliodobenzene

2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

Conditions
ConditionsYield
With copper(l) iodide; thiourea; L-proline; sodium t-butanolate In dimethyl sulfoxide at 90℃; for 24h; Inert atmosphere;83%
Multi-step reaction with 2 steps
1: copper(l) iodide; tetra(n-butyl)ammonium hydroxide; sulfur / water / 24 h / 40 °C / Inert atmosphere; Sealed tube
2: hydrogenchloride; zinc / water / Inert atmosphere; Cooling with ice
View Scheme
potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

2,6-Dimethylphenyl diazonium chloride
85518-80-5

2,6-Dimethylphenyl diazonium chloride

2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

Conditions
ConditionsYield
With water Erwaermen des Reaktionsprodukts mit aethanol. KOH;
With water Erwaermen des Reaktionsprodukts mit LiAlH4 in Aether;
2,6-dimethylaniline
87-62-7

2,6-dimethylaniline

2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

Conditions
ConditionsYield
(i) aq. NaNO2, aq. HCl, (ii) potassium ethylxanthate, (iii) KOEt, EtOH; Multistep reaction;
(i) NaNO2, aq. HCl, (ii) aq. EtOCS2K; Multistep reaction;
Multi-step reaction with 3 steps
1: (i) NaNO2, aq. H2SO4, (ii) /BRN= 3596974/, H2O
2: (i) aq. NaOH, EtOH, (ii) Br2
3: LiAlH4 / diethyl ether
View Scheme
Bis-<2,6-dimethyl-phenyl>-dithiolcarbonat
109404-65-1

Bis-<2,6-dimethyl-phenyl>-dithiolcarbonat

2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: (i) aq. NaOH, EtOH, (ii) Br2
2: LiAlH4 / diethyl ether
View Scheme
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

N,N’-di(2,6-diisopropylphenyl)-1,6,9,13-tetrabromoterrylene-3,4:11,12-tetracarboxdiimide
464885-23-2

N,N’-di(2,6-diisopropylphenyl)-1,6,9,13-tetrabromoterrylene-3,4:11,12-tetracarboxdiimide

N,N'-bis(2,6-diisopropylphenyl)-1,6,9,14-tetra(2,6-dimethylthiophenoxy)-terrylene-3,4:11,12-tetracarboximide
919488-85-0

N,N'-bis(2,6-diisopropylphenyl)-1,6,9,14-tetra(2,6-dimethylthiophenoxy)-terrylene-3,4:11,12-tetracarboximide

Conditions
ConditionsYield
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 40℃; for 4h;100%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

C45H62O7Si2

C45H62O7Si2

C49H62O5SSi2

C49H62O5SSi2

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -78℃; for 2h;100%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

benzenesufonyl hydrazide
80-17-1

benzenesufonyl hydrazide

S-(2,6-dimethylphenyl) benzenesulfonothioate

S-(2,6-dimethylphenyl) benzenesulfonothioate

Conditions
ConditionsYield
With tert.-butylhydroperoxide; sodium iodide In acetonitrile at 25℃; for 12h;100%
With tert.-butylhydroperoxide; sodium iodide In acetonitrile at 20℃; for 12h;99%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

bis(2,6-dimethylphenyl)disulfide
2905-17-1

bis(2,6-dimethylphenyl)disulfide

Conditions
ConditionsYield
With oxygen; SiO2-Cl In dichloromethane at 0℃; for 0.166667h;99%
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In chloroform at 25℃; for 0.0833333h;99%
With aluminum oxide In neat (no solvent) for 0.5h; Milling; chemoselective reaction;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

(E)-1-iodo-1-octene
42599-17-7

(E)-1-iodo-1-octene

(E)-(2,6-dimethylphenyl)(oct-1-enyl)sulfane

(E)-(2,6-dimethylphenyl)(oct-1-enyl)sulfane

Conditions
ConditionsYield
With potassium phosphate; (1,10-phenanthroline)bis(triphenylphosphine)copper(I) nitrate In toluene at 110℃; for 4h;99%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

cyclohexenone
930-68-7

cyclohexenone

(S)-3-(2,6-dimethylphenylthio)-cyclohexanone
177336-50-4

(S)-3-(2,6-dimethylphenylthio)-cyclohexanone

Conditions
ConditionsYield
With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((S)-(6-methoxyquinolin-4-yl)((2S,4S,8R)-8-vinylquinuclidin-2-yl)methyl)urea In toluene at 20℃; for 10h; Michael addition; optical yield given as %ee; enantioselective reaction;99%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

α-bromopropionyl bromide
563-76-8

α-bromopropionyl bromide

S-2,6-dimethylphenyl α-bromothiopropionate
1247748-11-3

S-2,6-dimethylphenyl α-bromothiopropionate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 0.5h;99%
Stage #1: 2,6-dimethylbenzene-1-thiol; α-bromopropionyl bromide With pyridine In dichloromethane at 0℃; Inert atmosphere;
Stage #2: With dmap In dichloromethane at 0 - 20℃; Inert atmosphere;
63%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

chlorobenzene
108-90-7

chlorobenzene

2,6-dimethylphenyl phenyl sulfide
54088-93-6

2,6-dimethylphenyl phenyl sulfide

Conditions
ConditionsYield
With tetrakis(tri-p-tolylphosphite)nickel(0); potassium tert-butylate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; zinc In toluene at 110℃; for 16h; Sealed tube; Inert atmosphere;99%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

methoxybenzene
100-66-3

methoxybenzene

(2,6-dimethylphenyl)(4-methoxyphenyl)sulfane

(2,6-dimethylphenyl)(4-methoxyphenyl)sulfane

Conditions
ConditionsYield
With tert-butylammonium hexafluorophosphate(V) In 1,2-dichloro-ethane for 4.5h; Electrolysis; Inert atmosphere; Sealed tube; regioselective reaction;99%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

2-((2,6-dimethylphenyl)thio)benzaldehyde
540774-00-3

2-((2,6-dimethylphenyl)thio)benzaldehyde

Conditions
ConditionsYield
With sodium carbonate In N,N,N,N,N,N-hexamethylphosphoric triamide at 100℃; for 5h;98%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

(S)-(-)-β-methyl-β-propiolactone
65058-82-4

(S)-(-)-β-methyl-β-propiolactone

(R)-3-(2,6-Dimethyl-phenylsulfanyl)-butyric acid
141079-83-6

(R)-3-(2,6-Dimethyl-phenylsulfanyl)-butyric acid

Conditions
ConditionsYield
With sodium hydroxide In water; isopropyl alcohol 1.) 0 deg C, 10 min, 2.) rt, 2 h;97%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

cis-di-tert-butyl 1-tosylaziridine-2,3-dicarboxylate
1292810-19-5

cis-di-tert-butyl 1-tosylaziridine-2,3-dicarboxylate

di-tert-butyl 2-(2,6-dimethylphenylthio)-3-(4-methylphenylsulfonamido)succinate
1292810-12-8

di-tert-butyl 2-(2,6-dimethylphenylthio)-3-(4-methylphenylsulfonamido)succinate

Conditions
ConditionsYield
Stage #1: cis-di-tert-butyl 1-tosylaziridine-2,3-dicarboxylate With (1R,2R)-2-(tert-butyldiphenylsilyloxy)-N-(dipyrrolidin-1-ylmethylene)-2,3-dihydro-1H-inden-1-amine In di-isopropyl ether at -50℃; for 0.5h; Inert atmosphere;
Stage #2: 2,6-dimethylbenzene-1-thiol In di-isopropyl ether at -50℃; for 48h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;
97%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

ortho-methylphenyl iodide
615-37-2

ortho-methylphenyl iodide

(2,6-dimethylphenyl)(o-tolyl)sulfane
38630-01-2

(2,6-dimethylphenyl)(o-tolyl)sulfane

Conditions
ConditionsYield
With sodium hydroxide; copper(l) iodide; tetrabutylammomium bromide In toluene for 22h; Ullmann coupling; Heating;96%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

trans-1-bromomethyl-2-iodocyclopropane

trans-1-bromomethyl-2-iodocyclopropane

1-(trans-2-iodocyclopropylmethylsulfanyl)-2,6-dimethylbenzene

1-(trans-2-iodocyclopropylmethylsulfanyl)-2,6-dimethylbenzene

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide for 3h;96%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

1-Chloro-4-iodobenzene
637-87-6

1-Chloro-4-iodobenzene

(4-chlorophenyl)(2,6-dimethylphenyl)sulfide

(4-chlorophenyl)(2,6-dimethylphenyl)sulfide

Conditions
ConditionsYield
With sodium hydroxide; copper(l) iodide; tetrabutylammomium bromide In toluene for 22h; Ullmann coupling; Heating;96%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

(2E)-5-phenyl-2-pentanophenone
134273-12-4

(2E)-5-phenyl-2-pentanophenone

(S)-3-(2,6-dimethylphenylthio)-1,5-diphenylpentan-1-one

(S)-3-(2,6-dimethylphenylthio)-1,5-diphenylpentan-1-one

Conditions
ConditionsYield
With 1-(3,5-bis(trifluoromethyl)phenyl)-3-((S)-(6-methoxyquinolin-4-yl)((2S,4S,8R)-8-vinylquinuclidin-2-yl)methyl)urea In toluene at 20℃; for 12h; Michael addition; optical yield given as %ee; enantioselective reaction;96%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

C40H39BrO7
1401236-92-7

C40H39BrO7

C44H39BrO5S
1401236-98-3

C44H39BrO5S

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -78 - -55℃; for 3.5h;96%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

methyl 3-((2,6-dimethylphenyl)thio)-2-hydroxy-2-methylpropanoate

methyl 3-((2,6-dimethylphenyl)thio)-2-hydroxy-2-methylpropanoate

Conditions
ConditionsYield
Stage #1: 2,6-dimethylbenzene-1-thiol; methacrylic acid methyl ester In 1,2-dichloro-ethane; acetonitrile at 20℃; for 6h;
Stage #2: With triphenylphosphine In 1,2-dichloro-ethane; acetonitrile for 2h;
96%
With oxygen; copper diacetate; benzoic acid In 1,2-dichloro-ethane at 50℃; for 3h;68%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

trimethanolato(pentamethylcyclopentadienyl)titanium(IV)

trimethanolato(pentamethylcyclopentadienyl)titanium(IV)

pentamethylcyclopentadienyl-2,6-dimethylphenylthiodimethoxytitanium

pentamethylcyclopentadienyl-2,6-dimethylphenylthiodimethoxytitanium

Conditions
ConditionsYield
In toluene at 20℃; Inert atmosphere;96%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

iodobenzene
591-50-4

iodobenzene

2,6-dimethylphenyl phenyl sulfide
54088-93-6

2,6-dimethylphenyl phenyl sulfide

Conditions
ConditionsYield
With copper(l) iodide; 2.9-dimethyl-1,10-phenanthroline; sodium t-butanolate In toluene at 110℃; for 24h;95%
With tetra(n-butyl)ammonium hydroxide In water at 50℃; for 24h; Inert atmosphere; Sealed tube; chemoselective reaction;93%
With copper(l) iodide; sodium t-butanolate In acetonitrile at 0℃; for 8h; Sealed tube; Irradiation; Inert atmosphere;72%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

ethyl acrylate
140-88-5

ethyl acrylate

3-(2,6-dimethylphenylsulfanyl)propionic acid ethyl ester
850175-21-2

3-(2,6-dimethylphenylsulfanyl)propionic acid ethyl ester

Conditions
ConditionsYield
With sodium hydride In dichloromethane; mineral oil at 50℃;95%
With potassium carbonate In dichloromethane at 20℃; for 18h;87%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

2-chloro-ethanol
107-07-3

2-chloro-ethanol

2-(2,6-dimethyl phenylthio) 1-hydroxyethane

2-(2,6-dimethyl phenylthio) 1-hydroxyethane

Conditions
ConditionsYield
With sodium hydroxide In water95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

4-tolyl iodide
624-31-7

4-tolyl iodide

(2,6-dimethylphenyl)(p-tolyl)sulfane

(2,6-dimethylphenyl)(p-tolyl)sulfane

Conditions
ConditionsYield
With sodium hydroxide; copper(l) iodide; tetrabutylammomium bromide In toluene for 22h; Ullmann coupling; Heating;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

carbonylgold(I) chloride
50960-82-2

carbonylgold(I) chloride

Conditions
ConditionsYield
With CO In dichloromethane byproducts: HCl, (SC6H3Me2-2,6)2; 1 atm CO, -65°C;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

3-iodobenzonitrile
69113-59-3

3-iodobenzonitrile

3-(2,6-dimethylphenylthio)benzonitrile
1270110-52-5

3-(2,6-dimethylphenylthio)benzonitrile

Conditions
ConditionsYield
With copper on iron; potassium carbonate In N,N-dimethyl acetamide at 100℃; for 8h;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

1,3-diethyl-2-bromobenzene
65232-57-7

1,3-diethyl-2-bromobenzene

(2,6-diethylphenyl)(2,6-dimethylphenyl)sulfane

(2,6-diethylphenyl)(2,6-dimethylphenyl)sulfane

Conditions
ConditionsYield
With Pd-PEPPSI-(2,6-(3-pentyl)pentylphenyl-2H-imidazol-2-ylidene)Cl-o-picoline; potassium tert-butylate; lithium isopropoxide In toluene at 23℃; for 24h; Glovebox; Inert atmosphere;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

(3-bromo-4-methoxyphenyl)-phenylmethanone
116413-49-1

(3-bromo-4-methoxyphenyl)-phenylmethanone

C22H20O2S
1427470-15-2

C22H20O2S

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0); N-ethyl-N,N-diisopropylamine In toluene for 3h; Inert atmosphere; Reflux;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

9-bora-bicyclo[3.3.1]nonane
280-64-8

9-bora-bicyclo[3.3.1]nonane

C16H23BS

C16H23BS

Conditions
ConditionsYield
With triethylamine In [D3]acetonitrile at 60℃; for 24h; Inert atmosphere;95%
2,6-dimethylbenzene-1-thiol
118-72-9

2,6-dimethylbenzene-1-thiol

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

C14H21BO2S

C14H21BO2S

Conditions
ConditionsYield
With triethylamine In [D3]acetonitrile at 120℃; for 96h; Inert atmosphere;95%
With C8H12BN In chloroform-d1 at 80℃; for 24h; Glovebox; Schlenk technique; Inert atmosphere;

2,6-Dimethylthiophenol Chemical Properties

Molecular Structure of Benzenethiol,2,6-dimethyl- (CAS NO.118-72-9):

IUPAC Name: 2,6-dimethylbenzenethiol 
Empirical Formula: C8H10S
Molecular Weight: 138.23 
EINECS: 204-272-3
Sensitive:: Moisture Sensitive
BRN 1099405
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 25.3 Å2
Index of Refraction: 1.568
Molar Refractivity: 44.07 cm3
Molar Volume: 134.5 cm3
Surface Tension: 36.6 dyne/cm
Density: 1.027 g/cm3
Flash Point: 85.6 °C
Enthalpy of Vaporization: 43.61 kJ/mol
Boiling Point: 218.2 °C at 760 mmHg
Vapour Pressure: 0.187 mmHg at 25°C
InChI
InChI=1/C8H10S/c1-6-4-3-5-7(2)8(6)9/h3-5,9H,1-2H3
Smiles
c1(c(cccc1C)C)S

2,6-Dimethylthiophenol Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-36-7/9 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S36:Wear suitable protective clothing. 
S7:Keep container tightly closed. 
S9:Keep container in a well-ventilated place.
WGK Germany: 2
TSCA: T
HazardClass: Irritant, Stench

2,6-Dimethylthiophenol Specification

  Benzenethiol,2,6-dimethyl- , with CAS number of 118-72-9, can be called 2,6-Dimethyl-4-thiophenol ; 2,6-Dimethylbenzenethiol ; 2,6-Dimethylphenylthiol . It is a clear colorless to light yellow liquid.

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