“2,3-Dichlorobutadiene”的意思、由来-开放百科全书

词条

2,3-Dichlorobutadiene

释义

References

{{Chembox
| ImageFile = 2,3-dichlorobutadiene.png
| ImageSize = 133
| ImageAlt =
| IUPACName =
| OtherNames = 2,3-Dichloro-1,3-butadiene
|Section1={{Chembox Identifiers
| CASNo = 1653-19-6
| PubChem = 15447
| EC_number = 216-721-0
| ChemSpiderID = 14699
| StdInChI=1S/C4H4Cl2/c1-3(5)4(2)6/h1-2H2
| StdInChIKey = LIFLRQVHKGGNSG-UHFFFAOYSA-N
| SMILES = C=C(C(=C)Cl)Cl
|Section2={{Chembox Properties
| C=4|H=4|Cl=2
| Appearance = Colorless liquid
| Density = 1.1829 g/cm³
| MeltingPt =
| BoilingPtC = 98
| Solubility = }}
|Section3={{Chembox Hazards
| GHSPictograms = {{GHS02}}{{GHS06}}{{GHS07}}{{GHS08}}{{GHS09}}
| GHSSignalWord = Danger
| HPhrases = {{H-phrases|225|301|302|304|315|319|330|335|411}}
| PPhrases = {{P-phrases|210|233|240|241|242|243|260|261|264|270|271|273|280|284|301+310|301+312|302+352|303+361+353|304+340|305+351+338|310|312|320|321|330|331|332+313|337+313|362|370+378|391|403+233|403+235|405|501}}
| MainHazards =
| FlashPt =
| AutoignitionPt = }}
}}2,3-Dichlorobutadiene is the organic compound with the formula H₂C=C(Cl)C(Cl)=CH₂. This colorless liquid is prone to polymerization, moreso than 2-chlorobutadiene (chloroprene). It is used to produce specialized neoprene rubbers. It can be prepared by the copper-catalyzed isomerization of dichlorobutynes. Alternatively dehydrochlorination of 2,3,4-trichloro-1-butene:^[1]

CH₂=C(Cl)CH(Cl)CH₂Cl + NaOH → CH₂=C(Cl)C(Cl)=CH₂ + NaCl + H₂O

2,3-Dichlorobutadiene is a precursor to 2,3-diarylbutadienes.^[2]

References

1. ^{{Ullmann|author=M. Rossberg |display-authors=et al |title=Chlorinated Hydrocarbons|year=2006|doi=10.1002/14356007.a06_233.pub2}}
2. ^{{cite journal|journal=Bulletin of the Chemical Society of Japan|title= Utilization of Industrially Available 2,3-Dichloro-1,3-butadiene for Direct Synthesis of 2,3-Diaryl-1,3-butadienes|year=2006|volume=79|pages=498-500|authors=Yamamoto Takakazu, Yasuda Takuma, Kobayashi Kazuaki, Yamaguchi Isao, Koizumi Take-aki, Ishii Daisuke, Nakagawa Masaru, Mashiko Yoshihiro, Shimizu Norihiro|doi=10.1246/bcsj.79.498}}

3 : Dienes|Monomers|Organochlorides

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