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

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

Stock No. Size Price ($) Quantity Availability
B22642-03 1g 30.40
B22642-06 5g 83.10
B22642-14 25g 319.00
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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
Storage & Sensitivity
Keep Cold. Air Sensitive. 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: H227-H302+H332-H315-H319-H335

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

Precautionary Statements: P210-P235-P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep cool. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
104650
Hazard Class
9
Packing Group
III
Harmonized Tariff Code
2934.99
TSCA
No

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