查看“︁二甲基二硫”︁的源代码

{{Chembox
| verifiedrevid = 470456193
| ImageFileL1 = Dimethyl disulfide expanded.svg
| ImageSizeL1 = 100px
| ImageFileR1 = Dimethyl disulfide skeletal.svg
| ImageSizeR1 = 100px
| ImageFileL2 = Dimethyl-disulfide-3D-balls.png
| ImageSizeL2 = 100px
| ImageFileR2 = Dimethyl disulfide spacefill.png
| ImageSizeR2 = 100px
| IUPACName = (Methyldisulfanyl)methane
| OtherNames = 二甲二硫，二甲基二硫醚，DMDS
| Section1 = {{Chembox Identifiers
|  Abbreviations = DMDS
|  CASNo = 624-92-0
|  CASNo_Ref = {{cascite|correct|CAS}}
|  ChEBI_Ref = {{ebicite|correct|EBI}}
|  ChEBI = 4608
|  StdInChI_Ref = {{stdinchicite|correct|chemspider}}
|  StdInChI = 1S/C2H6S2/c1-3-4-2/h1-2H3
|  StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
|  StdInChIKey = WQOXQRCZOLPYPM-UHFFFAOYSA-N
|  PubChem = 12232
|  ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
|  ChemSpiderID = 11731
|  SMILES = S(SC)C
|  InChI = InChI=1S/C2H6S2/c1-3-4-2/h1-2H3
  }}
| Section2 = {{Chembox Properties
|  C=2|H=6|S=2
|  Appearance = 易燃、易挥发无色至黄色有不快气味液体<ref name=GESTIS>{{GESTIS|ZVG=10510|CAS=624-92-0|Datum=22. Dezember 2009}}</ref>
|  Density = 1.06 g/cm<sup>3</sup><ref name=GESTIS/>
|  MeltingPtC = -85
|  Melting_notes = <ref name=GESTIS/>
|  BoilingPtC = 110
|  Boiling_notes = <ref name=GESTIS/>
|  Solubility = 2.5 g/L (20 °C)<ref name=GESTIS/>
|  VaporPressure = 38 [[毫巴|mbar]] (25 °C)<ref name="GESTIS" />
  }}
| Section6 = {{Chembox Hazards
|  Reference = <ref name=GESTIS/>
|  MainHazards = 
|  EUClass = {{Hazchem F}} {{Hazchem Xn}} {{Hazchem N}}
|  RPhrases = {{R11}}-{{R20/22}}-{{R36}}-{{R51/53}}
|  SPhrases = {{S16}}-{{S24}}-{{S26}}-{{S61}}
|  FlashPt = 15 °C<ref name=GESTIS/>
|  Autoignition = 370 °C<ref name=GESTIS/>
|  LD50 = 190 mg/kg (大鼠经口)<ref name=thegoodscentscompany>[http://www.thegoodscentscompany.com/data/rw1008081.html Dimethyl disulfide], Good Scents Company</ref>
  }}
}}
'''二甲基二硫'''是一种有机[[硫]][[化合物]]。

== 存在 ==
是[[白鬼笔]]气味组分之一<ref>{{Cite web |url=http://www.pilzepilze.de/tstijve1.html |title=Geruchs- und Farbstoffe der Rutenpilze |accessdate=2010-08-03 |archive-date=2017-11-05 |archive-url=https://web.archive.org/web/20171105064927/http://www.pilzepilze.de/tstijve1.html |dead-url=no }} {{Wayback|url=http://www.pilzepilze.de/tstijve1.html |date=20171105064927 }}</ref>，也是牛奶见光变质时散发气味的成分之一（甲硫醛的降解产物）。<ref>{{Cite web |url=http://www.chemiedidaktik.uni-wuppertal.de/alte_seite_du/material/milch/milcheiweiss/lichtgeschmack.pdf |title=Entstehung des Lichtgeschmacks in Milch |accessdate=2010-08-03 |archive-date=2009-06-17 |archive-url=https://web.archive.org/web/20090617083719/http://www.chemiedidaktik.uni-wuppertal.de/alte_seite_du/material/milch/milcheiweiss/lichtgeschmack.pdf |dead-url=no }} {{Wayback|url=http://www.chemiedidaktik.uni-wuppertal.de/alte_seite_du/material/milch/milcheiweiss/lichtgeschmack.pdf |date=20090617083719 }}</ref>

== 制取 ==
可由甲硫醇与硫磺反应而得。
::<math>\mathrm{2 \ CH_3SH + S \rightarrow CH_3S{-}SCH_3 + H_2S}</math>

== 性质 ==
可燃、无色至黄色液体，有恶臭。不溶于水，可与乙醇、乙醚、醋酸混溶。嗅觉阈值6ppm。<ref>{{Cite web |url=http://www.enius.de/schadstoffe/dimethyldisulfid.html |title=Dimethyldisulfid (Enius) |accessdate=2010-08-03 |archive-date=2017-01-29 |archive-url=https://web.archive.org/web/20170129113617/http://www.enius.de/schadstoffe/dimethyldisulfid.html |dead-url=no }} {{Wayback|url=http://www.enius.de/schadstoffe/dimethyldisulfid.html |date=20170129113617 }}</ref>蒸气与空气形成爆炸性混合物。

== 应用 ==
用作溶剂、农药中间体、催化剂的钝化剂、结焦抑制剂等。

== 外部链接 ==
* [https://web.archive.org/web/20160304000229/http://www.ansyco.de/CMS/frontend/index.php?idcatside=124&show=97 IR-Spektrum Dimethyldisulfid (Asynco)]

== 相关化合物 ==
* [[二甲硫醚]]
* [[二甲基三硫]]
* [[二甲基四硫]]

== 参考资料 ==
{{reflist}}

[[Category:二硫化物]]
[[Category:恶臭化学品]]