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Thiirane information


Thiirane
Skeletal formula of thiirane
Skeletal formula of thiirane
Spacefill model of thiirane
Spacefill model of thiirane
Ball and model of thiirane
Names
Preferred IUPAC name
Thiirane
Systematic IUPAC name
Thiacyclopropane
Other names
2,3-Dihydrothiirene[1]
Ethylene sulfide[1]
Identifiers
CAS Number
  • 420-12-2 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
102379
ChEBI
  • CHEBI:30977 checkY
ChemSpider
  • 9481 checkY
ECHA InfoCard 100.006.359 Edit this at Wikidata
EC Number
  • 206-993-9
Gmelin Reference
1278
KEGG
  • C19419 ☒N
MeSH ethylene+sulfide
PubChem CID
  • 9865
RTECS number
  • KX3500000
UNII
  • A2W5165740 checkY
UN number 1992
CompTox Dashboard (EPA)
  • DTXSID3049411 Edit this at Wikidata
InChI
  • InChI=1S/C2H4S/c1-2-3-1/h1-2H2 checkY
    Key: VOVUARRWDCVURC-UHFFFAOYSA-N checkY
SMILES
  • C1CS1
Properties
Chemical formula
C2H4S
Molar mass 60.11 g·mol−1
Appearance Pale, yellow liquid
Density 1.01 g cm−3
Melting point −109 °C (−164 °F; 164 K)
Boiling point 56 °C; 133 °F; 329 K
Vapor pressure 28.6 kPa (at 20 °C)
Thermochemistry
Std enthalpy of
formation fH298)
51-53 kJ mol−1
Std enthalpy of
combustion cH298)
-2.0126 MJ mol−1
Hazards
GHS labelling:
Pictograms
GHS02: Flammable GHS05: Corrosive GHS06: Toxic
Signal word
Danger
Hazard statements
H225, H301, H318, H331
Precautionary statements
P210, P261, P280, P301+P310, P305+P351+P338, P311
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazards (white): no code
3
4
2
Flash point 10 °C (50 °F; 283 K)
Related compounds
Related heterocycles
Ethylene oxide
Aziridine
Borirane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Thiirane, more commonly known as ethylene sulfide, is the cyclic chemical compound with the formula C2H4S.[2] It is the smallest sulfur-containing heterocycle and the simplest episulfide. Like many organosulfur compounds, this species has a highly unpleasant odour. Thiirane is also used to describe any derivative of the parent ethylene sulfide.

  1. ^ a b "thiirane (CHEBI:30977)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute.
  2. ^ Warren Chew; David N. Harpp (1993). "Recent aspects of thiirane chemistry". Journal of Sulfur Chemistry. 15 (1): 1–39. doi:10.1080/01961779308050628.

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Thiirane

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Thiirane, more commonly known as ethylene sulfide, is the cyclic chemical compound with the formula C2H4S. It is the smallest sulfur-containing heterocycle...

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Ethylene episulfoxide

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Preferred IUPAC name 1λ4-Thiiran-1-one Other names Ethylene sulfoxide Thiirane S-oxide Thiirane oxide Identifiers CAS Number 7117-41-1 3D model (JSmol) Interactive...

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Heterocyclic compound

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Nitrogen Aziridine Azirine Oxygen Oxirane (ethylene oxide, epoxides) Oxirene Phosphorus Phosphirane Phosphirene Sulfur Thiirane (episulfides) Thiirene...

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Sulfur monoxide

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initially to S2O2. SO inserts into alkenes, alkynes and dienes producing thiiranes, molecules with three-membered rings containing sulfur. In the laboratory...

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Episulfide

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the sulfur analogue of an epoxide or aziridine. They are also known as thiiranes, olefin sulfides, thioalkylene oxides, and thiacyclopropanes. Episulfides...

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Ethylene oxide

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synthesis reaction. Thiocyanate ions or thiourea transform ethylene oxide into thiirane (ethylene sulfide): (CH2CH2)O + (NH2)2C=S → (CH2CH2)S + (NH2)2C=O Reaction...

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Oxirene

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with 3-membered rings Ethylene oxide cyclopropane cyclopropene aziridine thiirane thiirene Except where otherwise noted, data are given for materials in...

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Hexafluorothioacetone

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reacts to form a three membered ring called a thiirane (di-2,2-trifluoromethyl-di-3,3-phenyl-thiirane) Trialkylphosphites (P(OR)3) react to make a...

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Organosulfur chemistry

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structures, often in combination with other heteroatoms, as illustrated by thiiranes, thiirenes, thietanes, thietes, dithietanes, thiolanes, thianes, dithianes...

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Disulfur dioxide

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metal atom. This was first shown in 2003. The bis(trimethylphosphine) thiirane S-oxide complex of platinum, when heated in toluene at 110 °C loses ethylene...

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Aziridine

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[100 ppm] Related compounds Related heterocycles Borirane Ethylene oxide Thiirane Except where otherwise noted, data are given for materials in their standard...

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Thietane

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compounds Other anions Oxetane, Azetidine, Phosphetane Related compounds Thiirane, Dithietane, Tetrahydrothiophene, Thiane, Thiepane, Thiocane, Thionane...

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Epoxide

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treated with thiourea, epoxides convert to the episulfide, which are called thiiranes. An epoxide adjacent to an alcohol can undergo the Payne rearrangement...

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List of compounds with carbon number 2

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monomethyl carbonate 7456-87-3 C2H4O4 formic acid dimer 14523-98-9 C2H4S thiirane 420-12-2 C2H4S thioacetaldehyde 6851-93-0 C2H4Se selenoacetaldehyde 67281-48-5...

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Organoselenium chemistry

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compound is selenirane or selenacyclobutane C2H4Se) related to thiiranes but, unlike thiiranes, seleniranes are kinetically unstable, extruding selenium directly...

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Nikolay Zefirov

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reactions by establishing the ion-pair mechanism using the example of Thiirane cations. In 1974 he discovered the phenomenon of increasing the effective...

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Borirane

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g dm−3 Related compounds Related heterocycles Aziridine Ethylene oxide Thiirane Except where otherwise noted, data are given for materials in their standard...

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Thiirene

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crystallography. Ando, Wataru; Choi, Nami; Tokitoh, Norihiro (1996). "Thiiranes and Thiirenes: Monocyclic". Comprehensive Heterocyclic Chemistry II. pp...

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Allyl glycidyl ether

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synthesis of highly enantiomerically pure 1,2-epoxy aldehydes, epoxy alcohols, thiirane, aziridine, and glyceraldehyde 3-phosphate". J. Org. Chem. 55 (16): 4897–4901...

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Shuttle catalysis

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"Direct Episulfidation of Alkenes and Allenes with Elemental Sulfur and Thiiranes as Sulfur Sources, Catalyzed by Molybdenum Oxo Complexes". Journal of...

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Vinylcyclopropane rearrangement

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JT (2007). "Highly Selective Copper-Catalyzed Ring Expansion of Vinyl Thiiranes: Application to Synthesis of Biotin and the Heterocyclic Core of Plavix"...

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