| Identification | More | [Name]
Thiophenethiol | [CAS]
7774-74-5 | [Synonyms]
2-MERCAPTOTHIOPHENE
2-THIENYL MERCAPTAN
2-THIOPHENETHIOL
2-THIOPHENTHIOL
FEMA 3062
THIOPHENE-2-THIOL
THIOPHENETHIOL
2-Thienyl hydrosulfide
Thienylmercaptan
2-Mercaptothiophene~2-Thienyl mercaptan
2-MERCAPTOTHIOPHENE FEMA NO.--------
Thiophene-2-thiol,97%
Thiophene-2-thiol,96%
2-Thiophenethiol(6CI,7CI,8CI,9CI)
2-MERCAPTOTHIOPHEN
2-Mercaptothiophene, GC 97+%
2-THIOPHENETHIOL/2-MERCAPTOTHIOPHENE
2-Mercaptothiophene, Thienylmercaptan
2-THIOPHENETHIOL, 90+% | [EINECS(EC#)]
231-881-1 | [Molecular Formula]
C4H4S2 | [MDL Number]
MFCD00051666 | [Molecular Weight]
116.2 | [MOL File]
7774-74-5.mol |
| Chemical Properties | Back Directory | [Appearance]
Clear yellowish to orange liquid | [Boiling point ]
129 °C(lit.)
| [density ]
1.252 g/mL at 25 °C(lit.)
| [FEMA ]
3062 | [refractive index ]
n20/D 1.62(lit.)
| [Fp ]
150 °F
| [storage temp. ]
Store under inert gas | [solubility ]
soluble in Chloroform, DMSO | [form ]
clear liquid | [pka]
6.38±0.43(Predicted) | [color ]
Light yellow to Brown | [Odor]
at 0.10 % in dipropylene glycol. burnt caramel roasted coffee | [Odor Type]
caramellic | [Sensitive ]
Air Sensitive | [JECFA Number]
1052 | [BRN ]
104650 | [InChIKey]
SWEDAZLCYJDAGW-UHFFFAOYSA-N | [LogP]
2.20 | [CAS DataBase Reference]
7774-74-5(CAS DataBase Reference) | [NIST Chemistry Reference]
2-Thiophenethiol(7774-74-5) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin .
R36/38:Irritating to eyes and skin .
R21/22:Harmful in contact with skin and if swallowed .
R20/22:Harmful by inhalation and if swallowed . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . | [RIDADR ]
UN3334 | [WGK Germany ]
3
| [F ]
10-13-23 | [Hazard Note ]
Irritant | [HazardClass ]
9 | [PackingGroup ]
III | [HS Code ]
29349990 |
| Hazard Information | Back Directory | [Chemical Properties]
2-Thienyl mercaptan has a very unpleasant, burnt caramellic and sulfuraceous odor with a similar flavor. | [Chemical Properties]
Clear yellowish to orange liquid | [Uses]
2-Thiophenethiol is used in biological studies to evaluate the changes in key odorants of hazelnut induced by roasting. | [Definition]
ChEBI: Thiophene-2-thiol is a heteroarene. | [Preparation]
By heating sodium sulfosuccinate with phosphorous trichloride; also by reduction of thiophene-2-sulfonyl chloride. | [Synthesis Reference(s)]
Journal of the American Chemical Society, 75, p. 6316, 1953 DOI: 10.1021/ja01120a518 |
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