Product

Thiophenethiol

CAS No.：7774-74-5

Other grades of this product :

Thiophenethiol Basic information

Product Name:	Thiophenethiol
Synonyms:	FEMA 3062;2-MERCAPTOTHIOPHENE;Thienylmercaptan;2-Mercaptothiophene~2-Thienyl mercaptan;2-MERCAPTOTHIOPHENE FEMA NO.--------;Thiophene-2-thiol,97%;Thiophene-2-thiol,96%;2-Thiophenethiol(6CI,7CI,8CI,9CI)
CAS:	7774-74-5
MF:	C4H4S2
MW:	116.2
EINECS:	231-881-1
Product Categories:	Heterocycle-oher series;THIOL;Thiophene&Benzothiophene;thiol Flavor
Mol File:	7774-74-5.mol

Thiophenethiol Chemical Properties

Boiling point	129 °C(lit.)
density	1.252 g/mL at 25 °C(lit.)
refractive index	n20/D 1.62(lit.)
FEMA	3062 \| 2-THIENYL MERCAPTAN
Fp	150 °F
storage temp.	Keep in dark place,Inert atmosphere,2-8°C
pka	6.38±0.43(Predicted)
form	clear liquid
color	Light yellow to Brown
Sensitive	Air Sensitive
JECFA Number	1052
BRN	104650
InChIKey	SWEDAZLCYJDAGW-UHFFFAOYSA-N
CAS DataBase Reference	7774-74-5(CAS DataBase Reference)
NIST Chemistry Reference	2-Thiophenethiol(7774-74-5)

Safety Information

Hazard Codes	Xi,Xn
Risk Statements	36/37/38-36/38-21/22-20/22
Safety Statements	26-36-36/37/39
RIDADR	UN3334
WGK Germany	3
F	10-13-23
Hazard Note	Irritant
HazardClass	9
PackingGroup	III
HS Code	29349990

MSDS Information

Provider	Language
2-Mercaptothiophene	English
SigmaAldrich	English
ALFA	English

Thiophenethiol Usage And Synthesis

Chemical Properties	Clear yellowish to orange liquid
Chemical Properties	2-Thienyl mercaptan has a very unpleasant, burnt caramellic and sulfuraceous odor with a similar flavor.
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

Thiophenethiol Preparation Products And Raw materials

Raw materials

2-Thiopheneethanol-->2-Ethylthiophene-->Thieno[2,3-b]thiophene, 2-methyl--->Thiophene, 2-(2-propen-1-ylthio)--->Propanoic acid, 3-(2-thienylthio)-, 2-ethylhexyl ester-->Thiophene(SIV) (9CI)-->2-Thiophenesulfonyl chloride-->THIOPHEN-2-YL-MAGNESIUM BROMIDE 1.0M-->THIENO[2,3-B]THIOPHENE-->2-(2-THIENYLTHIO)THIOPHENE-->2-THIENYLLITHIUM-->2-Bromothiophene

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