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7774-74-5 - Thiophene-2-thiol, contains dimer, 97% as monomer - 2-Mercaptothiophene - 2-Thienyl mercaptan - B22642 - Alfa Aesar

B22642 Thiophene-2-thiol, contains dimer, 97% as monomer

CAS Number
7774-74-5
Synonyms
2-Mercaptothiophene
2-Thienyl mercaptan

Size Price ($) Quantity Availability
1g 29.30
5g 81.00
25g 312.00
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Thiophene-2-thiol, contains dimer, 97% as monomer

MDL
MFCD00051666
EINECS
231-881-1

Chemical Properties

Formula
C4H4S2
Formula Weight
116.20
Boiling Point
62-65°/12mm
Flash Point
66°(151°F)
Density
1.247
Refractive Index
1.6170
Sensitivity
Air & Light Sensitive

Literature References

The nature of the unusual reversible dimerization reaction which occurs on standing has been studied: J. Org. Chem., 54, 3224 (1989); Doklady Akad. Nauk., 305, 624 (1989):

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Reaction with 2-bromothiophene in the presence of a Cu catalyst and KOH in DMF gives 2,2'-dithienyl sulfide: Org. Synth. Coll., 6, 558 (1988); with 2-iodothiophene, the product is obtained in high yield in the absence of catalyst, base or solvent: Tetrahedron Lett., 36, 8439 (1995).

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Review of thiophenethiols: Russ. Chem. Rev., 60, 1309 (1991).

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GHS Hazard and Precautionary Statements

Hazard Statements: H302-H312-H332-H227

Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled. Combustible liquid.

Precautionary Statements: P210-P261-P280-P304+P340-P301+P312-P312-P363-P322-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Specific measures (see label). Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
104650
Hazard Class
9
Harmonized Tariff Code
2934.99
TSCA
No

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