Basic Information | Post buying leads | Suppliers | Cas Database |
Name |
Thiophenethiol |
EINECS | 231-881-1 |
CAS No. | 7774-74-5 | Density | 1.269 g/cm3 |
PSA | 67.04000 | LogP | 2.03680 |
Solubility | N/A | Melting Point |
N/A |
Formula | C4H4S2 | Boiling Point | 166.9 °C at 760 mmHg |
Molecular Weight | 116.208 | Flash Point | 54.7 °C |
Transport Information | UN 3334 | Appearance | Clear yellowish to orange liquid |
Safety | 26-36-36/37/39 | Risk Codes | 36/37/38-36/38-21/22-20/22 |
Molecular Structure | Hazard Symbols | Xn, Xi | |
Synonyms |
2-Thiophenethiol(6CI,7CI,8CI,9CI);2-Mercaptothiophene;2-Thienylmercaptan;a-Thienyl mercaptan;2-Thienyl mercaptan;2-Thiophenethiol(7774-74-5 );Thiophene-2-thiol;2-Thiophenethiol; |
Article Data | 40 |
3-(thiophen-2-ylsulfanyl)propionic acid 2-ethylhexyl ester
Thiophene-2-thiol
Conditions | Yield |
---|---|
Stage #1: 3-(thiophen-2-ylsulfanyl)propionic acid 2-ethylhexyl ester With sodium methylate In methanol at 20℃; for 1h; Reflux; Stage #2: With hydrogenchloride In water at 20℃; pH=1 - 2; | 87.3% |
thiophene-2-sulfonyl chloride
Thiophene-2-thiol
Conditions | Yield |
---|---|
With triphenylphosphine In toluene for 0.166667h; Inert atmosphere; chemoselective reaction; | 85% |
thiophene
Thiophene-2-thiol
Conditions | Yield |
---|---|
With n-butyllithium; water; sulfur | 70% |
With n-butyllithium; sulfur 1.) hexane/THF, -20 - -30 deg C, 0.5 h, 2.) hexane/THF, -70 deg C, 1 h; Yield given. Multistep reaction; | |
With n-butyllithium; sulfur In tetrahydrofuran; hexane at 0 - 5℃; for 2h; |
2-thienyl chloride
A
thiophene
B
Thiophene-2-thiol
C
thiophene-3-thiol
D
sulfure de dithienyle-3,3'
E
2-thienyl 3-thienyl sulfide
F
bis(thien-2-yl)sulfide
Conditions | Yield |
---|---|
With dimethylselenide; hydrogen sulfide In gas at 500℃; Product distribution; Mechanism; effect of dimethyl selenide on reaction; various temperatures; | A 46% B 10% C 3% D n/a E n/a F 1.8% |
3-(thiophen-2-ylsulfanyl)propionic acid 2-ethylhexyl ester
Thiophene-2-thiol
Conditions | Yield |
---|---|
Stage #1: 3-(thiophen-2-ylsulfanyl)propionic acid 2-ethylhexyl ester With sodium methylate In methanol at 20℃; for 1h; Reflux; Stage #2: With hydrogenchloride In water at 20℃; pH=1 - 2; | 87.3% |
thiophene-2-sulfonyl chloride
Thiophene-2-thiol
Conditions | Yield |
---|---|
With triphenylphosphine In toluene for 0.166667h; Inert atmosphere; chemoselective reaction; | 85% |
thiophene
Thiophene-2-thiol
Conditions | Yield |
---|---|
With n-butyllithium; water; sulfur | 70% |
With n-butyllithium; sulfur 1.) hexane/THF, -20 - -30 deg C, 0.5 h, 2.) hexane/THF, -70 deg C, 1 h; Yield given. Multistep reaction; | |
With n-butyllithium; sulfur In tetrahydrofuran; hexane at 0 - 5℃; for 2h; |
2-thienyl chloride
A
thiophene
B
Thiophene-2-thiol
C
thiophene-3-thiol
D
sulfure de dithienyle-3,3'
E
2-thienyl 3-thienyl sulfide
F
bis(thien-2-yl)sulfide
Conditions | Yield |
---|---|
With dimethylselenide; hydrogen sulfide In gas at 500℃; Product distribution; Mechanism; effect of dimethyl selenide on reaction; various temperatures; | A 46% B 10% C 3% D n/a E n/a F 1.8% |
2-thienyl chloride
Diethyl disulfide
A
thiophene
B
Thiophene-2-thiol
C
thieno[2,3-b]thiophene
D
bis(thien-2-yl)sulfide
Conditions | Yield |
---|---|
at 550℃; for 0.0141667h; Product distribution; gas phase copyrolysis; | A 18.4% B 36.4% C 3.4% D 14.3% |
bis(thien-2-yl)sulfide
A
thiophene
B
Thiophene-2-thiol
C
thiophene-3-thiol
D
2-thienyl 3-thienyl sulfide
E
dithieno[3,2-b;2',3'-d]thiophene
F
2,2'-Bithiophene
Conditions | Yield |
---|---|
With hydrogen sulfide at 450 - 600℃; Product distribution; | A 31.8% B 6% C 5% D 4.7% E n/a F 15.2% |
at 500 - 600℃; Product distribution; | A 17.6% B 13.1% C 1.4% D 0.5% E n/a F 3% |
Molecular Structure of 2-Thiophenethiol (CAS NO.7774-74-5):
IUPAC Name: Thiophene-2-thiol
Canonical SMILES: C1=CSC(=C1)S
InChI: InChI=1S/C4H4S2/c5-4-2-1-3-6-4/h1-3,5H
InChIKey: SWEDAZLCYJDAGW-UHFFFAOYSA-N
Molecular Weight: 116.20456 [g/mol]
Molecular Formula: C4H4S2
XLogP3: 2.2
EINECS: 231-881-1
Appearance: Clear yellowish to orange liquid
Index of Refraction: 1.636
Molar Refractivity: 32.81 cm3
Molar Volume: 91.5 cm3
Surface Tension: 46.4 dyne/cm
Density: 1.269 g/cm3
Flash Point: 54.7 °C
Enthalpy of Vaporization: 38.68 kJ/mol
Boiling Point: 166.9 °C at 760 mmHg
Vapour Pressure: 2.3 mmHg at 25 °C
storage temp.: Store under inert gas
Sensitive: Air Sensitive
Product Categories: THIOL;Thiophene & Benzothiophene; thiol Flavor
2-Thiophenethiol (CAS NO.7774-74-5) is used to deploy flavor for candy and baking food.
Safety Information of 2-Thiophenethiol (CAS NO.7774-74-5):
Hazard Codes:Xi,Xn
Risk Statements:36/37/38-36/38-21/22-20/22
36/37/38:Irritating to eyes, respiratory system and skin
36/38:Irritating to eyes and skin
21/22:Harmful in contact with skin and if swallowed
20/22:Harmful by inhalation and if swallowed
Safety Statements:26-36-36/37/39
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:Wear suitable protective clothing
36/37/39:Wear suitable protective clothing, gloves and eye/face protection
RIDADR:UN3334
WGK Germany:3
F:10-13-23
Hazard Note:Irritant
2-Thiophenethiol (CAS NO.7774-74-5), its Synonyms are 2-Mercaptothiophene ; 2-Thienyl mercaptan ; FEMA No. 3062 ; alpha-Thienyl mercaptan ; Thiophene-2-thiol .