| Revision as of 17:30, 16 February 2012 editBeetstra (talk | contribs)Edit filter managers, Administrators172,284 edits Saving copy of the {{chembox}} taken from revid 406308785 of page 2-Pentyne for the Chem/Drugbox validation project (updated: 'CASNo'). |
Latest revision as of 16:59, 24 November 2023 edit 171.79.123.76 (talk) Added the Formula of 2-PentyneTag: Visual edit |
| Line 1: |
Line 1: |
|
{{ambox | text = This page contains a copy of the infobox ({{tl|chembox}}) taken from revid of page ] with values updated to verified values.}} |
|
|
{{chembox |
|
{{chembox |
|
|
| Verifiedfields = changed |
| ⚫ |
| verifiedrevid = 399299747 |
|
|
|
| Watchedfields = changed |
| ⚫ |
| Reference= |
|
|
⚫ |
| verifiedrevid = 477215251 |
|
⚫ |
| Reference = |
|
| ImageFile = 2-pentyne.svg |
|
| ImageFile = 2-pentyne.svg |
|
| ImageSize = 180px |
|
| ImageSize = 180px |
| Line 9: |
Line 10: |
|
| ImageSize1 = 160px |
|
| ImageSize1 = 160px |
|
| ImageName1 = Ball-and-stick model of 2-pentyne |
|
| ImageName1 = Ball-and-stick model of 2-pentyne |
|
| IUPACName = Pent-2-yne |
|
| PIN = Pent-2-yne |
|
| OtherNames = Ethylmethylacetylene, 1-Ethyl-2-methylacetylene |
|
| OtherNames = Ethylmethylacetylene, 1-Ethyl-2-methylacetylene propyl acetylene |
|
| Section1 = {{Chembox Identifiers |
|
|Section1={{Chembox Identifiers |
|
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
|
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
|
| ChemSpiderID = 11807 |
|
| ChemSpiderID = 11807 |
|
| SMILES1 = C(#CCC)C |
|
| SMILES1 = C(#CCC)C |
| Line 19: |
Line 20: |
|
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
|
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
|
| StdInChIKey = NKTDTMONXHODTI-UHFFFAOYSA-N |
|
| StdInChIKey = NKTDTMONXHODTI-UHFFFAOYSA-N |
|
|
| CASNo_Ref = {{cascite|correct|CAS}} |
|
| CASNo = <!-- blanked - oldvalue: 627-21-4 --> |
|
|
| SMILES = CC#CCC |
|
| CASNo = 627-21-4 |
|
|
| UNII_Ref = {{fdacite|correct|FDA}} |
| ⚫ |
| InChI = 1/C5H8/c1-3-5-4-2/h3H2,1-2H3 |
|
|
| PubChem = 12310 |
|
| UNII = 57NG6HKI9D |
|
|
| SMILES = CC#CCC |
|
⚫ |
| InChI = 1/C5H8/c1-3-5-4-2/h3H2,1-2H3 |
|
|
| PubChem = 12310 |
|
}} |
|
}} |
|
| Section2 = {{Chembox Properties |
|
|Section2={{Chembox Properties |
|
| Formula = C<sub>5</sub>H<sub>8</sub> |
|
| Formula = C<sub>5</sub>H<sub>8</sub> |
|
| MolarMass = 68.12 |
|
| MolarMass = 68.12 |
|
| Density = 0.71 g/mL |
|
| Density = 0.71 g/mL |
|
| MeltingPt = −109 °C |
|
| MeltingPtC = −109 |
|
|
| MeltingPt_notes = |
|
| BoilingPt = 56 to 57 °C |
|
| BoilingPt = 56 to 57 °C |
| ⚫ |
}} |
|
| ⚫ |
| Section3 = {{Chembox Hazards |
|
| ⚫ |
| MainHazards = Flammable Liquid |
|
| ⚫ |
| FlashPt = |
|
|
| Autoignition = |
|
|
}} |
|
}} |
|
⚫ |
|Section3={{Chembox Hazards |
|
⚫ |
| MainHazards = Flammable Liquid |
|
⚫ |
| FlashPt = |
|
|
| AutoignitionPt = |
|
⚫ |
}} |
|
}} |
|
}} |
|
|
|
|
|
'''2-Pentyne''', an ] with the formula CH<sub>3</sub>CH<sub>2</sub>C≡CCH<sub>3</sub> and is an internal ]. It is an ] of ], a terminal alkyne. |
|
|
]{{clear|left}} |
|
|
|
|
|
==Synthesis== |
|
|
2-Pentyne can be synthesized by the rearrangement ] in a solution of ]ic ] or ]/].<ref>{{cite book|last=Victor von Richter and Hans Meerwein|title=Organic Chemistry: Chemistry of the aliphatic series Vol. I: Smith's 3rd American Ed.|year=1916|publisher=P. Blakiston's Sons & Co.|location=Philadelphia|page=89|url=https://books.google.com/books?id=UWlZAAAAYAAJ&q=dimethylacetylene+preparation&pg=PA89}}</ref> |
|
|
|
|
|
==References== |
|
|
{{reflist}} |
|
|
|
|
|
==External links== |
|
|
* |
|
|
|
|
|
{{Alkynes}} |
|
|
|
|
|
{{DEFAULTSORT:Pentyne, 2-}} |
|
|
] |
|
|
|
|
|
|
|
|
{{hydrocarbon-stub}} |