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75-08-1

Basic Information
CAS No.: 75-08-1
Name: Ethanethiol
Molecular Structure:
Molecular Structure of 75-08-1 (Ethanethiol)
Formula: C2H6S
Molecular Weight: 62.13
Synonyms: Ethylhydrosulfide;Ethyl mercaptan;Ethyl thioalcohol;Mercaptoethane;NSC 93877;Thioethanol;Thioethyl alcohol;
EINECS: 200-837-3
Density: 0.822 g/cm3
Melting Point: -148 °C
Boiling Point: 34.663 °C at 760 mmHg
Flash Point: 1 °F
Solubility:
Appearance: colourless liquid
Hazard Symbols: FlammableF; HarmfulXn;DangerousN
Risk Codes: 11-20-50/53
Safety: 16-25-60-61
Transport Information: UN 2363 3/PG 1
PSA: 38.80000
LogP: 0.93610
Synthetic route
98773-05-8, 115958-66-2

trichlorogallium * ethanethiol

60-29-7

diethyl ether

A

2700-40-5

galliumtrichloride * diethylether

B

75-08-1

ethanethiol

Conditions
ConditionsYield
In benzene under inert gas; 5.88 mmol Et2O added to 5.88 mmol of the Ga compound in benzene; stirring at room temp.; 2 phases sepd.; oily phase stirred with n-pentane and dried in vac.; elem. anal.;A 99%
B n/a
94627-22-2

(n-C3H7)2BSC2H5

A

28872-72-2

(amino)di-n-propylborane

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With NH3A 98.5%
B n/a
129137-38-8

3α-(1,1-Bisethylthioethyl)-3β-hydroxy-14α-methyl-4-nor-5α-cholest-8-ene

A

129137-44-6

3α-(1-Ethylthioethenyl)-3β-hydroxy-14α-methyl-4-nor-5α-cholest-8-ene

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 0.166667h;A 98%
B n/a
With copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 0.166667h; other substrates;A 98%
B n/a
98773-05-8, 115958-66-2

trichlorogallium * ethanethiol

3908-55-2

Trimethyl(methylthio)silane

A

75-77-4

chloro-trimethyl-silane

B

dichloro(ethylthio)gallane

C

dichloro(methylthio)gallane

D

74-93-1

methylthiol

E

75-08-1

ethanethiol

Conditions
ConditionsYield
In benzene 4.62 mmol Me3SiSMe added to 4.62 mmol of the Ga compound in benzene; stirring at room temp.; filtration; solvent removed in vac.; elem. anal. (Cl2GaSC2H5);A n/a
B 98%
C n/a
D n/a
E n/a
98773-05-8, 115958-66-2

trichlorogallium * ethanethiol

35029-96-0

lead bis(methylthiolate)

A

dichloro(ethylthio)gallane

B

dichloro(methylthio)gallane

C

74-93-1

methylthiol

D

75-08-1

ethanethiol

E

lead(II) chloride

Conditions
ConditionsYield
In benzene 2.10 mmol Pb(SCH3)2 added to 4.20 mmol of the Ga compound in benzene; stirring at room temp.; filtration; solvent removed in vac.; residue washed with n-pentane and dried in vac.; elem. anal. (Cl2GaSC2H5);A 98%
B n/a
C n/a
D n/a
E n/a
83962-17-8

isopentyl-dithiocarbamic acid ethyl ester

A

628-03-5

isopentyl isothiocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 97%
B n/a
129137-47-9

3β-(1,1-Bisethylthioethyl)-3α-hydroxy-14α-methyl-4-nor-5β-cholest-8-ene

A

129137-50-4

3β-(1-Ethylthioethenyl)-3-α-hydroxy-14α-methyl-4-nor-5β-cholest-8-ene

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 0.166667h;A 97%
B n/a
130474-23-6

(3R,5S,8R,9S,10S,13R,14S,17R)-3-(1,1-Bis-ethylsulfanyl-ethyl)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

A

130474-27-0

(3R,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-3-(1-ethylsulfanyl-vinyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 0.166667h;A 97%
B n/a
74-93-1

methylthiol

74-85-1

ethene

A

75-18-3

dimethylsulfide

B

624-89-5

Ethyl methyl sulfide

C

352-93-2

diethyl sulphide

D

75-08-1

ethanethiol

Conditions
ConditionsYield
With 2,2-dimethoxy-2-phenylacetophenone at 45℃; under 2250.23 - 6750.68 Torr; for 14.1h; UV-irradiation;A n/a
B 97%
C n/a
D n/a
98773-05-8, 115958-66-2

trichlorogallium * ethanethiol

75-18-3

dimethylsulfide

A

15171-34-3

galliumtrichloride * dimethylsulfide

B

75-08-1

ethanethiol

Conditions
ConditionsYield
In benzene under inert gas; 6.30 mmol Et2S added to 6.30 mmol of the Ga compound in benzene; stirring at room temp.; 2 phases sepd.; oily phase stirred with n-pentane and dried in vac.; elem. anal.;A 97%
B n/a
115958-68-4, 98772-97-5

aluminiumtrichloride*ethanediol

60-29-7

diethyl ether

A

14640-05-2, 856321-02-3

aluminium trichloride-diethyl ether (1/1)

B

75-08-1

ethanethiol

Conditions
ConditionsYield
In benzene under inert gas; 4.24 mmol Et2O added to 4.23 mmol of the Al compound in benzene; stirring at room temp.; solvent evapd. in vac., residue washed with n-pentane and dried in vac.; elem. anal.;A 97%
B n/a
110-81-6

Diethyl disulfide

75-08-1

ethanethiol

Conditions
ConditionsYield
With tri-n-butyl-tin hydride In various solvent(s) under 0.0750075 Torr; Reduction;96%
at 496℃; mit Naphtha-Daempfen;
With diethyl ether; sodium
52664-26-3

Methyldithiocarbamidsaeure-ethylester

A

556-61-6

methyl thioisocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 96%
B n/a
130474-22-5

(3S,5S,8R,9S,10S,13R,14S,17R)-3-(1,1-Bis-ethylsulfanyl-ethyl)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

A

130474-26-9

(3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-3-(1-ethylsulfanyl-vinyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 0.166667h;A 96%
B n/a
115958-68-4, 98772-97-5

aluminiumtrichloride*ethanediol

75-18-3

dimethylsulfide

A

15171-30-9, 856320-96-2

aluminiumtrichloride * dimethylsulfide

B

75-08-1

ethanethiol

Conditions
ConditionsYield
In benzene under inert gas; 5.52 mmol Et2S added to 5.53 mmol of the Al compound in benzene; stirring at room temp.; solvent evapd. in vac.; residue washed with n-pentane and dried in vac.; elem. anal.;A 96%
B n/a
20472-54-2

diethyl dimethylphosphoramidodithioite

A

688-62-0

triethyl trithiophosphite

B

dimethylammonium dihydrogen phosphite

C

75-08-1

ethanethiol

Conditions
ConditionsYield
With water at 120 - 130℃; for 0.5h;A 81%
B 72%
C 95%
31716-60-6

ethyl cyclohexyldithiocarbamate

A

75-08-1

ethanethiol

B

1122-82-3

isothiocyanatocyclohexane

Conditions
ConditionsYield
at 250 - 260℃;A 95%
B 92%
115958-68-4, 98772-97-5

aluminiumtrichloride*ethanediol

75-50-3

trimethylamine

A

878784-74-8, 13869-44-8

aluminiumtrichloride * trimethylamine

B

75-08-1

ethanethiol

Conditions
ConditionsYield
In benzene under inert gas; 6.06 mmol Me3N in benzene added to 6.04 mmol of the Al compound in benzene; stirring at room temp.; solvent removed in vac.; residue washed with n-pentane and dried in vac.; elem. anal.;A 95%
B n/a
130474-24-7

3,3-Bis-ethylsulfanyl-2-phenyl-butan-2-ol

A

130474-28-1

3-Ethylsulfanyl-2-phenyl-but-3-en-2-ol

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 0.166667h;A 94%
B n/a

[Zn(HB(C3H2N2SC6H4(OCH3))2(CH3C3HN2(C6H5)))SC2H5]*0.25CH2Cl2

74-88-4

methyl iodide

A

[Zn(HB(C3H2N2SC6H4(OCH3))2(CH3C3HN2(C6H5)))I]

B

75-08-1

ethanethiol

Conditions
ConditionsYield
In chloroform 1:1 mixt. stirred for 10 min; evapd., washed (Et2O), dried (vac.); NMR;A 94%
B n/a
56134-96-4

ethyl butyldithiocarbamate

A

592-82-5

butyl isothiocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 93%
B n/a
29677-64-3

diethyldithiocarbamic acid

A

542-85-8

Ethyl isothiocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 87%
B 93%
88890-93-1

ethyl ethylselenosulfenate

75-08-1

ethanethiol

Conditions
ConditionsYield
With tri-n-butyl-tin hydride In various solvent(s) under 0.0750075 Torr; Reduction;92%
83962-19-0

Octyl-dithiocarbamic acid ethyl ester

A

4430-45-9

n-octylisothiocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 91%
B n/a
83962-15-6

Propyl-dithiocarbamic acid ethyl ester

A

628-30-8

n-Propyl isothiocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 89%
B n/a
688-62-0

triethyl trithiophosphite

65-85-0

benzoic acid

A

1484-17-9

S-ethyl thiobenzoate

B

75-08-1

ethanethiol

C

52 percent phosphorous acid

52 percent phosphorous acid

Conditions
ConditionsYield
at 120 - 130℃; under 90 Torr; for 4h; Product distribution;A 89%
B 61%
C n/a
4426-32-8

diethyl-thioborinic acid ethyl ester

A

18483-79-9

Diethylaminoboran

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With NH3 -70°C, then warming at room temp. 15 h;A 89%
B n/a
2938-86-5

ethanesulfenyl-dibutyl-borane

A

1767-37-9

(amino)di-n-butylborane

B

75-08-1

ethanethiol

Conditions
ConditionsYield
With ammoniaA 88.5%
B n/a
With NH3A 88.5%
B n/a
83962-18-9

Hexyl-dithiocarbamic acid ethyl ester

A

4404-45-9

n-hexyl isothiocyanate

B

75-08-1

ethanethiol

Conditions
ConditionsYield
at 250 - 260℃;A 85%
B n/a
50-00-0

formaldehyd

75-08-1

ethanethiol

15909-30-5

(ethylthio)methanol

Conditions
ConditionsYield
With sodium hydroxide; water at 25 - 40℃; for 1h; Addition;100%
With water
for 2h; Ambient temperature;
75-08-1

ethanethiol

110-81-6

Diethyl disulfide

Conditions
ConditionsYield
1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In chloroform at 20℃;100%
With air; iron(III) chloride; sodium iodide In acetonitrile for 0.116667h; Ambient temperature;98%
With oxygen; SiO2-Cl In dichloromethane at 0℃; for 0.166667h;98%
106-96-7

propargyl bromide

75-08-1

ethanethiol

7310-92-1

propargyl ethyl sulfide

Conditions
ConditionsYield
With sodium hydroxide In methanol at 0 - 20℃; for 1h;100%
(i) Na, liq. NH3, (ii) /BRN= 605309/; Multistep reaction;
With sodium ethanolate In ethanol
79-43-6

dichloro-acetic acid

75-08-1

ethanethiol

10490-06-9

glyoxalic acid ethylthioacetal

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 25℃;100%
With sodium hydride In tetrahydrofuran
6972-27-6

1,3-Dimethyl-6-chlorouracil

75-08-1

ethanethiol

35218-96-3

6-Ethylsulfanyl-1,3-dimethyl-1H-pyrimidine-2,4-dione

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In dichloromethane; water for 2.5h; Ambient temperature;100%
120-46-7

1,3-diphenylpropanedione

75-08-1

ethanethiol

70769-74-3

3-ethylsulfanyl-1,3-diphenylprop-2-en-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 15h; Heating;100%
75-08-1

ethanethiol

146530-62-3

ethyl 2,4,6-tri-O-acetyl-3-O-benzyl-1-thio-β-D-glucopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane for 2h; Ambient temperature;100%
With molecular sieve; boron trifluoride diethyl etherate In dichloromethane for 2h; Ambient temperature;91%
With trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve In dichloromethane at 0℃; for 2h;79%
602-01-7

1-methyl-2,3-dinitrobenzene

75-08-1

ethanethiol

2-Ethylsulfanyl-1-methyl-3-nitro-benzene

Conditions
ConditionsYield
With lithium hydroxide In N,N,N,N,N,N-hexamethylphosphoric triamide at 20℃;100%
87840-68-4

diethyl 2,4-dinitrobenzylidenemalonate

75-08-1

ethanethiol

1-(2,4-dinitrophenyl)-1-ethylthio-2,2-diethoxycarbonylethane

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran Ambient temperature;100%
78102-17-7

cis-2,6-dihydroxy-1,4-dioxathiane

75-08-1

ethanethiol

84373-82-0

thiodiglycolaldehyde bis(diethyl dithioacetal)

Conditions
ConditionsYield
With hydrogenchloride at 0℃; for 0.5h;100%
71461-30-8

(S)-2-formylpyrrolidine-1-carboxylic acid benzyl ester

75-08-1

ethanethiol

105089-87-0

benzyl (2S)-2-[di(ethylsulfanyl)methyl]tetrahydro-1H-1-pyrrolecarboxylate

Conditions
ConditionsYield
Stage #1: (S)-2-formylpyrrolidine-1-carboxylic acid benzyl ester; ethanethiol In chloroform for 0.5h; Inert atmosphere;
Stage #2: With chloro-trimethyl-silane In chloroform at 20℃; Inert atmosphere;
100%
With chloro-trimethyl-silane In chloroform79%
127232-51-3, 127306-30-3

(3S,4R)-3-Hydroxy-1,4-dimethyl-5-oxo-3-((3aR,5S,7R,7aR)-2,2,7-trimethyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-5-yl)-pyrrolidine-2,2-dicarboxylic acid dimethyl ester

75-08-1

ethanethiol

127255-09-8

(3R,3aS,4S,6aR)-4-((2R,3R)-4,4-Bis-ethylsulfanyl-3-hydroxy-2-methyl-butyl)-3a-hydroxy-1,3-dimethyl-2,6-dioxo-tetrahydro-furo[3,4-b]pyrrole-6a-carboxylic acid methyl ester

Conditions
ConditionsYield
With hydrogenchloride100%

(5R,6S)-7-Oxo-6-((R)-1-tributylsilanyloxy-ethyl)-3-trifluoromethanesulfonyloxy-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester

75-08-1

ethanethiol

(5R,6S)-3-Ethylsulfanyl-7-oxo-6-((R)-1-tributylsilanyloxy-ethyl)-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile -78 deg C to RT;100%
153750-36-8

(1,2-Epoxydecyl)pentylether

75-08-1

ethanethiol

1-Ethylsulfanyl-1-pentyloxy-decan-2-ol

Conditions
ConditionsYield
In toluene for 20h; Ambient temperature;100%
96286-28-1

5-Methoxy-4-phenyl-5,6-dihydro-4H-[1,3,4]thiadiazine

75-08-1

ethanethiol

5-Ethylsulfanyl-4-phenyl-5,6-dihydro-4H-[1,3,4]thiadiazine

Conditions
ConditionsYield
Ambient temperature;100%
146446-29-9

1,1-dibromo-4-chloro-3,3-dimethyl-2-butanone

75-08-1

ethanethiol

146679-12-1

4-chloro-1-(ethylthio)-3,3-dimethyl-2-butanone

Conditions
ConditionsYield
With sodium methylate In methanol for 1h; Ambient temperature;100%
With sodium methylate 1.) MeOH, ice-cooling, 5 min, 2.) r.t., 1 h; Yield given;
109687-65-2

(S)-(-)-1,1-dimethylethyl <3-methyl-1-<<(methylsulfonyl)oxy>methyl>butyl>carbamate

75-08-1

ethanethiol

167421-94-5

tert-butyl (S)-N-[1-(ethylsulfanylmethyl)-3-methylbutyl]carbamate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran Heating;100%
126301-19-7, 134807-64-0, 109687-66-3

(2S)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropyl methanesulfonate

75-08-1

ethanethiol

167421-92-3

tert-butyl (S)-N-[1-(ethylsulfanylmethyl)-2-phenylethyl]carbamate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 67℃; for 2h;100%
Stage #1: ethanethiol With sodium hydride In tetrahydrofuran at 20℃; for 1h;
Stage #2: (2S)-2-[(tert-butoxycarbonyl)amino]-3-phenylpropyl methanesulfonate In tetrahydrofuran at 20℃; for 12h;
132482-10-1

(R)-1-<(1,1-dimethylethoxy)carbonyl>-2-pyrrolidinemethanolmethanesulfonate

75-08-1

ethanethiol

(R)-2-Ethylsulfanylmethyl-pyrrolidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran Heating;100%
153923-41-2

(S)-2-[ (tert-butoxycarbonyl)-amino]-3-(4-methoxyphenyl)-propylmethanesulfonate

75-08-1

ethanethiol

167421-95-6

[(S)-1-Ethylsulfanylmethyl-2-(4-methoxy-phenyl)-ethyl]-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran for 2h; Heating;100%
167421-90-1

4-((S)-2-tert-Butoxycarbonylamino-3-methanesulfonyloxy-propyl)-imidazole-1-carboxylic acid tert-butyl ester

75-08-1

ethanethiol

167421-96-7

[(S)-1-Ethylsulfanylmethyl-2-(1H-imidazol-4-yl)-ethyl]-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran Heating;100%

isobutyl 2,3,4-trichlorobenzamide

75-08-1

ethanethiol

3,4-Dichloro-2-ethylsulfanyl-N-isobutyl-benzamide

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃;100%
106-93-4

ethylene dibromide

75-08-1

ethanethiol

5244-34-8

2,2'-ethane-1,2-diylbissulfanyl-bis-ethanol

Conditions
ConditionsYield
With sodium ethanolate In ethanol for 1h; Heating;100%
188976-06-9

N-propargyl-2,4-bis(trifluoroacetyl)-1-naphthylamine

75-08-1

ethanethiol

1-(3-Ethylsulfanylmethyl-4-trifluoromethyl-benzo[h]quinolin-6-yl)-2,2,2-trifluoro-ethanone

Conditions
ConditionsYield
With sodium ethanolate In ethanol for 24h; Ambient temperature;100%
161755-20-0

(-)-(4S,5R,2'S,3'R)-3-(3-hydroxy-2-methylbutanoyl)-4-methyl-5-phenyl-1,3-oxazolidin-2-one

75-08-1

ethanethiol

B

213319-90-5

(+)-S-ethyl (2S,3R)-3-hydroxy-2-methylbutanethioate

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Substitution;A 100%
B 99%
75-08-1

ethanethiol

p-toluenesulfonylacetylene

(Z)-2-(ethylthio)-1-p-toluenesulfonylethylene

Conditions
ConditionsYield
In dichloromethane at 20℃; for 48h; Addition; Michael addition;100%
75-08-1

ethanethiol

245736-59-8

2-{6-[7-(4-benzyl-2-oxo-oxazolidine-3-carbonyl)-4-(tert-butyl-dimethyl-silanyloxy)-1-(4-methoxy-benzyloxy)-5,9-dimethyl-6-oxo-undec-10-ynyl]-2-methoxy-4-methoxycarbonylmethylene-tetrahydro-pyran-2-yl}-propionic acid benzyl ester

(S)-2-{(2S,6R)-6-[(1R,4R,5R,7S,9R)-4-(tert-Butyl-dimethyl-silanyloxy)-7-ethylsulfanylcarbonyl-1-(4-methoxy-benzyloxy)-5,9-dimethyl-6-oxo-undec-10-ynyl]-2-methoxy-4-[1-methoxycarbonyl-meth-(E)-ylidene]-tetrahydro-pyran-2-yl}-propionic acid benzyl ester

Conditions
ConditionsYield
With potassium hydride In tetrahydrofuran at 25℃; for 3h;100%
75-08-1

ethanethiol

(2S,3S,4R,5R)-2-Acetoxy-3,4,5-tris-benzyloxy-piperidine-1-carboxylic acid benzyl ester

ethyl 2,3,4-tri-O-benzyl-5-benzyloxycarbonylamino-5-deoxy-1-thio-D-arabinopyranoside

Conditions
ConditionsYield
With trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve In dichloromethane at 0℃; for 1.08333h; Substitution;100%
89-98-5

2-chloro-benzaldehyde

75-08-1

ethanethiol

53606-33-0

2-(ethylsulfanyl)benzenecarbaldehyde

Conditions
ConditionsYield
Stage #1: ethanethiol With sodium hydroxide In water at 20℃; for 0.5h;
Stage #2: 2-chloro-benzaldehyde With tetrabutylammomium bromide In water at 82℃;
100%
With tetrabutylammomium bromide; sodium hydroxide In water at 82℃; for 4 - 6h;95%
With sodium carbonate In N,N-dimethyl-formamide at 100℃; for 24h;80%
Stage #1: ethanethiol With sodium hydroxide In water for 1h;
Stage #2: 2-chloro-benzaldehyde With tetrabutylammomium bromide In water for 4h; Reflux;
75-26-3

isopropyl bromide

75-08-1

ethanethiol

5145-99-3

ethyl isopropyl sulfide

Conditions
ConditionsYield
Stage #1: ethanethiol With sodium tetrahydroborate; sodium hydroxide In water at 5℃; Inert atmosphere;
Stage #2: isopropyl bromide; tetrabutylammomium bromide In water at 50℃; Inert atmosphere;
100%
With potassium hydroxide In ethanol for 0.5h; Heating;51%
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Consensus Reports

ETHYL MERCAPTAN is reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: TWA 0.5 ppm
ACGIH TLV: TWA 0.5 ppm
DFG MAK: 0.5 ppm (1.3 mg/m3)
NIOSH REL: (n-Alkane Mono Thiols) CL 0.5 ppm/15M
DOT Classification:  3; Label: Flammable Liquid; DOT Class: 6.1; Label: Poison, Flammable Liquid

Specification

The Ethanethiol, with the CAS registry number 75-08-1 and EINECS registry number 200-837-3, has the systemtic name and IUPAC name of ethanethiol. It is a kind of colourless liquid with a strongly disagreeable odor which resembles that of leeks or onions. And the molecular formula of this chemical is C2H6S.What's more ,Its systematic name is Ethanethiol.The presence of S in the structure leads to many different properties, most notably the infamous odour of EtSH. And it is also more volatile than ethanol because of a diminished ability to engage in hydrogen bonding. Therefore, it it can be added to otherwise odourless gas products such as liquefied petroleum gas (LPG) to help warn of gas leaks, of course, it is not harmful at these concentrations.

The physical properties of  Ethanethiol are as followings:
 (1)ACD/LogP: 1.44; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.442; (4)ACD/LogD (pH 7.4): 1.441; (5)ACD/BCF (pH 5.5): 7.339; (6)ACD/BCF (pH 7.4): 7.333; (7)ACD/KOC (pH 5.5): 144.953; (8)ACD/KOC (pH 7.4): 144.847; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 38.8 Å2; (13)Index of Refraction: 1.422; (14)Molar Refractivity: 19.211 cm3; (15)Molar Volume: 75.597 cm3; (16)Polarizability: 7.616×10-24cm3; (17)Surface Tension: 21.924 dyne/cm; (18)Density: 0.822 g/cm3; (19)Enthalpy of Vaporization: 26.79 kJ/mol; (20)Boiling Point: 34.663 °C at 760 mmHg; (21)Vapour Pressure: 537.074 mmHg at 25°C.

Preparation of Ethanethiol:
It can be prepared by absolute ethyl alcohol, fuming sulfuric acid and sodium hydrosulfide.
C2H5OH+H2SO4.SO3→C2H5OSO2OH+H2SO4
2C2H5OSO2OH+Na2CO3→2C2H5OSO2ONa+H2O+CO2
C2H5OSO2ONa+NaSH→C2H5SH+Na2SO4

Uses of Ethanethiol:
It is often used as pesticide intermediates and air alert. And it is also used as stabilizer in the adhesives and intermediates in organic synthesis.

Safety information of Ethanethiol:
You should be cautious while dealing with this chemical. It is a kind of flammble chemcial which is very toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment. It is also harmful by inhalation. Therefore, you had better take the following instructions: Keep away from sources of ignition - No smoking; Avoid contact with eyes; This material and/or its container must be disposed of as hazardous waste; Avoid release to the environment. Refer to special instructions safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: CCS
(2)InChI: InChI=1/C2H6S/c1-2-3/h3H,2H2,1H3
(3)InChIKey: DNJIEGIFACGWOD-UHFFFAOYAW

The toxicity data of Ethanethiol is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 2770ppm/4H (2770ppm) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.
rat LC50 inhalation 4420ppm/4H (4420ppm) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

BEHAVIORAL: EXCITEMENT

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.
rat LD50 intraperitoneal 226mg/kg (226mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.
rat LD50 oral 682mg/kg (682mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
American Industrial Hygiene Association Journal. Vol. 19, Pg. 171, 1958.