查看“︁2-丁炔-1,4-二醇”︁的源代码

{{chembox
| Name = 2-丁炔-1,4-二醇
| NameEn = 1,4-Butynediol
| Reference =<ref>[http://www.chemicalland21.com/industrialchem/solalc/1,4-BUTYNEDIOL.htm 1,4-Butynediol at chemicalland21.com]</ref>
| ImageFile = Butynediol.png
| ImageSize = 150px
| ImageName = 2-丁炔-1,4-二醇
| IUPACName = But-2-yne-1,4-diol
| OtherNames = 1,4-丁炔二醇<br />丁炔二醇<br />1,4-二羟基丁炔
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 16413
| ChemSpiderID = 7775
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = C02497
| InChI = 1/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2
| InChIKey = DLDJFQGPPSQZKI-UHFFFAOYAT
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = DLDJFQGPPSQZKI-UHFFFAOYSA-N
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 110-65-6
| SMILES = OCC#CCO
  }}
|Section2 = {{Chembox Properties
|   Formula = C<sub>4</sub>H<sub>6</sub>O<sub>2</sub>
|   MolarMass = 86.09
|   Density = 1.2 g/cm³
|   Appearance = 无色固体
|   MeltingPt = 52-55 °C
|   BoilingPt = 238 °C
|   VaporPressure = ＜10 Pa (20 °C)<ref name="BGIA GESTIS">{{GESTIS|ZVG=29180|CAS=110-65-6|Datum=17.09.2007}}</ref>
|   Solubility = 3740 g·l<sup>−1</sup> (20 °C)<ref name="BGIA GESTIS" />
|   SolOther = 易溶于乙醇和丙酮<ref NAME="BGChemie">[http://www.bgchemie.de/files/95/ToxBew117-L.pdf Umfangreiche toxikologische Bewertung bei BG Chemie] {{webarchive|url=https://web.archive.org/web/20070927051347/http://www.bgchemie.de/files/95/ToxBew117-L.pdf |date=2007-09-27 }}</ref>
|   RefractIndex = 1.450 (20 °C)<ref name="zghg">中国化工产品大全 上卷，Da076 2-丁炔-1,4-二醇，页186</ref>
  }}
| Section7 = {{Chembox Hazards
|   EUClass = 有毒 ('''T''')<br />腐蚀性 ('''C''')
|   NFPA-H = 2
|   NFPA-F = 1
|   NFPA-R = 0
|   RPhrases = {{R21}}, {{R23/25}}, {{R34}}, {{R43}}, {{R48/22}}
|   SPhrases = {{S1/2}}, {{S25}}, {{S26}}, {{S36/37/39}}, {{S45}}, {{S46}}
|   LD50 = ～100 mg·kg<sup>−1</sup> (大鼠经口)<ref NAME="BGChemie" /> 
  }}
}}

'''2-丁炔-1,4-二醇'''，简称'''1,4-丁炔二醇'''或'''丁炔二醇'''。

==性质==
白色[[斜方]]结晶。可溶于水、酸、[[乙醇]]和[[丙酮]]，不溶于[[苯]]、[[乙醚]]。对眼部粘膜、皮肤和上呼吸道有刺激作用。

==制备==
丁炔二醇在工业上主要通过 [[Reppe法|Reppe 法]]制备，即以[[丁炔铜]]或铜铋催化剂催化，由[[乙炔]]与[[甲醛]]在加压（1～20 bar）和加热（110～112°C）条件下反应制备。反应得到丁炔二醇粗品，经浓缩和精制，得到成品，同时副产[[丙炔醇]]。
:<math>\ HC\! \equiv \! CH+2HCHO\rightarrow HOCH_2C\! \equiv \!CCH_2OH</math>

==用途==
丁炔二醇用作[[1,4-丁二醇]]、[[丁烯二醇]]、[[四氢呋喃]]、[[γ-丁内酯]]和[[吡咯烷酮]]等化合物的合成前体，进一步可用于制造溶剂[[甲基吡咯烷酮]]、合成纤维[[尼龙-4]]、防腐剂和合成塑料等。丁炔二醇也用作溶剂，在电镀中用作亮光剂，还用于农药和医药工业中。

== 参考资料 ==
{{reflist}}

[[Category:炔烃]]
[[Category:二醇]]