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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-Nummer
7774-74-5
Synonyme
2-Mercaptothiophene
2-Thienyl mercaptan

Größe Preis ($) Menge Verfügbarkeit
1g 29,56
5g 85,18
25g 254,40
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Thiophene-2-thiol, contains dimer, 97% as monomer

MDL
MFCD00051666
EINECS
231-881-1

Chemische Eigenschaften

Formel
C4H4S2
Molmasse
116.20
Siedepunkt
62-65°/12mm
Flammpunkt
66°(151°F)
Dichte
1.247
Brechungsindex
1.6170
Sensitivität
Air & Light Sensitive

Literaturverweise

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):

/n

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 Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H332-H315-H319-H335-H227

Toxic if swallowed. Harmful if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid.

Sicherheitshinweise: P210-P261-P280-P301+P310-P305+P351+P338-P304+P340-P362-P312-P405-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 SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
104650
Gefahrenklasse
9
Harmonized Tariff Code
2934.99
TSCA
No

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