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{{Chembox {{Chembox
| Verifiedfields = changed
| Watchedfields = changed | Watchedfields = changed
| verifiedrevid = 426633785 | verifiedrevid = 446462381
| Name = | Name =
| ImageFile = Methylvinylether.png | ImageFile = Methylvinylether.png
| ImageSize = 112px | ImageSize = 112px
| ImageAlt = | ImageAlt =
| ImageName = | ImageName =
| PIN = Methoxyethene
| IUPACName =
| SystematicName = | SystematicName =
| OtherNames = Methoxyethene, ethenyl methyl ether, vinyl methyl ether | OtherNames = Ethenyl methyl ether<br />Vinyl methyl ether
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| 3DMet = | 3DMet =
| Abbreviations = | Abbreviations =
| ATCvet = | Beilstein =
| CASNo = 107-25-5
| ATCCode_prefix =
| CASNo_Ref = {{cascite|correct|CAS}}
| ATCCode_suffix =
| EC_number = 203-475-4
| ATC_Supplemental =
| UNII_Ref = {{fdacite|changed|FDA}}
| Beilstein =
| CASNo = 107-25-5 | UNII = G2OHX46576
| ChEBI_Ref = {{ebicite|correct|EBI}}
| CASNo_Ref =
| CASNos =
| CASOther =
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = | ChEBI =
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 7573 | ChemSpiderID = 7573
| UNNumber = 1087
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
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| EC-number =
| EINECS =
| EINECSCASNO =
| Gmelin =
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C3H6O/c1-3-4-2/h3H,1H2,2H3 | StdInChI = 1S/C3H6O/c1-3-4-2/h3H,1H2,2H3
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = XJRBAMWJDBPFIM-UHFFFAOYSA-N | StdInChIKey = XJRBAMWJDBPFIM-UHFFFAOYSA-N
| PubChem = 7861
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = | SMILES = O(C=C)C
| MeSHName = | SMILES1 = COC=C
| PubChem = 7861
| RTECS =
| SMILES = O(C=C)C
| SMILES1 = COC=C
| UNNumber =
}} }}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| AtmosphericOHRateConstant = | AtmosphericOHRateConstant =
| Appearance = | Appearance =
| BoilingPtC = 6
| BoilingPt = 6&nbsp;°C<ref name="GESTIS">{{GESTIS|Name=Methylvinylether|ZVG=29130|CAS=107-25-5 |Datum=20.4.2008}}</ref> | BoilingPt_ref = <ref name="GESTIS">{{GESTIS|Name=Methylvinylether|ZVG=29130|CAS=107-25-5 |Date=20 April 2008}}</ref>
| Boiling_notes =
| BoilingPt_notes =
| Density = 0.77&nbsp;g/cm<sup>–3</sup><ref name="GESTIS"/> | Density = 0.77&nbsp;g/cm<sup>−3</sup><ref name="GESTIS"/>
| C=3 | H=6 | O=1
| HenryConstant = | C=3 | H=6 | O=1
| LogP = | HenryConstant =
| LogP =
| MeltingPt = –122&nbsp;°C<ref name="GESTIS"/>
| MeltingPtC = −122
| Melting_notes =
| MeltingPt_ref = <ref name="GESTIS"/>
| pKa =
| MeltingPt_notes =
| pKb =
| Solubility = | pKa =
| SolubleOther = | pKb =
| Solvent = | Solubility =
| SolubleOther =
| VaporPressure = 157&nbsp;kPa (20&nbsp;°C)<ref name="GESTIS"/> }}
| Solvent =
| Section3 = {{Chembox Structure
| VaporPressure = 157&nbsp;kPa (20&nbsp;°C)<ref name="GESTIS"/> }}
| Coordination =
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| Entropy = | DeltaHc =
| HeatCapacity = }} | DeltaHf =
| Entropy =
| Section7 = {{Chembox Hazards
| ExternalMSDS = | HeatCapacity = }}
|Section7={{Chembox Hazards
| EUClass = {{Hazchem F+}}
| EUIndex = | ExternalSDS =
| MainHazards = | MainHazards =
| NFPA-H = | NFPA-H = 2
| NFPA-F = | NFPA-F = 4
| NFPA-R = | NFPA-R = 2
| NFPA-O = | NFPA-S = W
| RPhrases = {{R12}} | GHSPictograms = {{GHS02}}
| GHSSignalWord = Danger
| SPhrases = {{(S2)}}, {{S9}}, {{S16}}, {{S33}}
| HPhrases = {{H-phrases|220}}
| RSPhrases =
| PPhrases = {{P-phrases|210|377|381|403}}
| FlashPt = –60&nbsp;°C
| Autoignition = | FlashPtC = −60
| ExploLimits = | AutoignitionPtC =
| LD50 = | ExploLimits =
| PEL = }} | LD50 =
| PEL = }}
| Section8 = {{Chembox Related |Section8={{Chembox Related
| Function =
| OtherAnions = | OtherFunction_label =
| OtherCations = | OtherAnions =
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}}
}} }}


'''Methyl vinyl ether''' is an organic compound with the chemical formula C<sub>3</sub>H<sub>6</sub>O. It is the simplest chemical that contains both an ] group and an ] group with an ] linkage. The compound can be made by reaction of ] and ] in presence of a base. <ref>''Oxygenated fuel additives: The formation of methyl vinyl ether and 1,1-dimethoxyethane by the catalysed reaction of acetylene with methanol'' David Trimma, Corresponding Author Contact Information, E-mail The Corresponding Author, Noel Cantb and Yun Leib Catalysis Today Volume 145, Issues 1-2, 15 July 2009, Pages 163-168 {{DOI|10.1016/j.cattod.2008.04.015}} </ref> '''Methyl vinyl ether''' is an ] with the chemical formula CH<sub>3</sub>OCH=CH<sub>2</sub>. A colorless gas, it is the simplest ]. It is used as a synthetic building block, as is the related compound ] (a liquid at room temperature).


==Preparation==
The alkene portion of the molecule is reactive in many ways. It is prone to ], leading to formation of poly(methyl vinyl ether) (PMVE, ]: 9003-09-2). This mode of reactivity is analogous to the way ] and ] can be polymerized to form ] and ], respectively. The alkene can also react in ] reactions.<ref name=longly>{{cite journal |title= The 1,4-Addition of Vinyl Ethers to α,β-Unsaturated Carbonyl Compounds |authors= Longley, Jr., R. I.; Emerson, W. S. |journal= J. Am. Chem. Soc. |year= 1950 |volume= 72 |issue= 7 |pages= 3079–3081 |doi= 10.1021/ja01163a076 }}</ref> The reaction of it with ] is the first step in the commercial synthesis of ].
Methyl vinyl ether can be made by reaction of ] and ] in presence of a base.<ref>{{cite journal|title=Oxygenated fuel additives: The formation of methyl vinyl ether and 1,1-dimethoxyethane by the catalysed reaction of acetylene with methanol|author=David Trimma |author2=Noel Cant |author3=Yun Lei |journal=Catalysis Today|volume=145|issue=1–2|year= 2009|pages=163–168 |doi=10.1016/j.cattod.2008.04.015}}</ref><ref name=Ullm>{{cite encyclopedia|chapter=Vinyl Ethers|author=Ernst Hofmann |author2=Hans‐Joachim Klimisch |author3=René Backes |author4=Regina Vogelsang |author5=Lothar Franz |author6=Robert Feuerhake |encyclopedia=Ullmann's Encyclopedia of Industrial Chemistry|year=2011|publisher= Wiley-VCH|doi=10.1002/14356007.a27_435.pub2|isbn=978-3-527-30673-2}}</ref>


==Reactions==
The compound is useful as a ] for ] ], via deprotonation of the alkene adjacent to the oxygen attachment.<ref name=lever>{{cite journal |title= New horizons in carbonyl chemistry: reagents for nucleophilic acylation |author= Lever, Jr., O. W. |journal= Tetrahedron |year= 1976 |volume= 32 |pages= 1943–1971 |doi= 10.1016/0040-4020(76)80088-9 }}</ref> In particular, this approach allows synthesis of a variety of acyl derivatives of silicon, germanium, and tin that cannot be made easily by other routes<ref name=soderguistJACS>{{cite journal |title= Synthetic methods. 15. Unsaturated acyl derivatives of silicon, germanium, and tin from metalated enol ethers |author= Soderquist, J. A.; Hassner, A. |journal= J. Am. Chem. Soc. |year= 1980 |volume= 102 |pages= 1577–1583 |doi= 10.1021/ja00525a019 }}</ref><ref name=soderguistJOC>{{cite journal |author= Soderquist, J. A.; Hassner, A. |title= Vinylmetalloids. 3. Sila- and germacyclopentan-2-ones from metallated enol ethers |journal= J. Org. Chem. |year= 1980 |volume= 45 |pages= 541–543 |doi= 10.1021/jo01291a041 }}</ref><ref name=orgsyn8.19>{{OrgSynth |author= Soderquist, J. A. |year= 1990 |title= Acetyltrimethylsilane |volume= 68 |pages= 25 |collvol= 8 |collvolpages= 19 |prep= cv8p0019 }}</ref>
The alkene portion of the molecule is reactive in many ways. It is prone to ], leading to formation of ]s. Polymerization is typically initiated with ]s such as ].<ref>{{cite encyclopedia|chapter=Poly(Vinyl Ethers)|author=Gerd Schröder |encyclopedia=Ullmann's Encyclopedia of Industrial Chemistry|year=2012|publisher= Wiley-VCH|doi=10.1002/14356007.a22_011|isbn=978-3-527-30673-2}}</ref> This mode of reactivity is analogous to the way ] and ] can be polymerized to form ] and ], respectively.

Methyl vinyl ether also participates in ] reactions.<ref name=longly>{{cite journal |title= The 1,4-Addition of Vinyl Ethers to α,β-Unsaturated Carbonyl Compounds |author= Longley Jr., R. I. |author2= Emerson, W. S. |journal= J. Am. Chem. Soc. |year= 1950 |volume= 72 |issue= 7 |pages= 3079–3081 |doi= 10.1021/ja01163a076 }}</ref> Its reaction with ] is the first step in the commercial synthesis of ].

The alkene can be deprotonated at the vinyl carbon adjacent to the oxygen.<ref name=lever>{{cite journal |title= New horizons in carbonyl chemistry: reagents for nucleophilic acylation |author= Lever Jr., O. W. |journal= Tetrahedron |year= 1976 |volume= 32 |issue= 16 |pages= 1943–1971 |doi= 10.1016/0040-4020(76)80088-9 }}</ref> In particular, this approach allows the synthesis of a variety of acyl derivatives of silicon, germanium, and tin that cannot be made easily by other routes.<ref name=soderguistJACS>{{cite journal |title= Synthetic methods. 15. Unsaturated acyl derivatives of silicon, germanium, and tin from metalated enol ethers |author1=Soderquist, J. A. |author2=Hassner, A. |journal= J. Am. Chem. Soc. |year= 1980 |volume= 102 |issue=5 |pages= 1577–1583 |doi= 10.1021/ja00525a019 }}</ref><ref name=soderguistJOC>{{cite journal |author1=Soderquist, J. A. |author2=Hassner, A. |title= Vinylmetalloids. 3. Sila- and germacyclopentan-2-ones from metallated enol ethers |journal= J. Org. Chem. |year= 1980 |volume= 45 |issue=3 |pages= 541–543 |doi= 10.1021/jo01291a041 }}</ref><ref name=orgsyn8.19>{{cite journal |journal=Org. Synth.|author= Soderquist, J. A. |year= 1990 |title= Acetyltrimethylsilane |volume= 68 |page= 25|doi=10.15227/orgsyn.068.0025 }}</ref>

==Toxicity==
The toxicity of vinyl ethers has been heavily investigated because ] has been used as an ]. The acute ] for methyl vinyl ether is greater than 4 g/kg (rats, oral).<ref name=Ullm/>


== References == == References ==
{{reflist}} {{reflist}}

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