CAS 420-12-2: Thiirane
Description:Thiirane, also known as ethylene sulfide, is a cyclic organic compound characterized by a three-membered ring containing one sulfur atom and two carbon atoms. Its molecular formula is C2H4S, and it is classified as a heterocyclic compound due to the presence of sulfur in the ring. Thiirane is a colorless, flammable gas or liquid at room temperature, with a distinctive odor. It is known for its reactivity, particularly in nucleophilic substitution reactions, due to the strain in its three-membered ring structure. This strain makes thiirane more reactive than larger cyclic compounds. Thiirane can undergo polymerization and is used as a building block in organic synthesis, particularly in the production of various sulfur-containing compounds. Additionally, it has applications in the synthesis of pharmaceuticals and agrochemicals. However, it is important to handle thiirane with care, as it can be toxic and poses health risks upon exposure. Proper safety measures should be taken when working with this compound in laboratory or industrial settings.
Formula:C2H4S
InChI:InChI=1S/C2H4S/c1-2-3-1/h1-2H2
InChI key:InChIKey=VOVUARRWDCVURC-UHFFFAOYSA-N
SMILES:S1CC1
- Synonyms:
- Aethylensulfid
- Epithioethan
- Epithioethane
- Epitioetano
- Ethylene episulfide
- Ethylene sulfide
- Nsc 89690
- Thiacyclopropane
- Thiirene, 2,3-dihydro-
- Thiirane
- See more synonyms
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | Thiirane REF: IN-DA003QIMCAS: 420-12-2 | 98% | To inquire | Wed 23 Apr 25 |
![]() | Ethylene Sulfide (stabilized with Butyl Mercaptan) REF: 3B-E0133CAS: 420-12-2 | >98.0%(GC) | 95.00 € | Mon 28 Apr 25 |
![]() | Ethylene sulfide (stabilised with Butyl mercaptan) REF: 10-F046805CAS: 420-12-2 | 98.0% | To inquire | Mon 05 May 25 |
![]() | Thiirane REF: TR-T395505CAS: 420-12-2 | - - - | 107.00 €~724.00 € | Mon 05 May 25 |
![]() | Ethylene sulfide REF: 3D-FE170783CAS: 420-12-2 | Min. 95% | - - - | Discontinued product |

Ref: IN-DA003QIM
Undefined size | To inquire |

Ethylene Sulfide (stabilized with Butyl Mercaptan)
Ref: 3B-E0133
10g | 95.00 € |

Ethylene sulfide (stabilised with Butyl mercaptan)
Ref: 10-F046805
10g | To inquire |

Thiirane
Controlled ProductRef: TR-T395505
1g | 107.00 € | ||
5g | 196.00 € | ||
25g | 724.00 € |

Ethylene sulfide
Ref: 3D-FE170783
2g | Discontinued | Request information | |
5g | Discontinued | Request information | |
10g | Discontinued | Request information | |
25g | Discontinued | Request information | |
50g | Discontinued | Request information |