Editing Acetylene (section)

===Acid-base reactions===
{{Main|Acetylide#Preparation}}
Acetylene has a [[Acid dissociation constant|p''K''<sub>a</sub>]] of 25, acetylene can be [[deprotonation|deprotonated]] by a [[superbase]] to form an [[acetylide]]:<ref name=Viehe>{{cite book|last1=Viehe|first1=Heinz Günter|title=Chemistry of Acetylenes|url=https://archive.org/details/chemistryofacety0000vieh|url-access=registration|date=1969|publisher=Marcel Dekker, inc.|location=New York|pages=170–179 & 225–241|edition=1st|isbn=978-0824716752}}</ref>

:{{chem2 | HC\tCH + RM -> RH + HC\tCM }}

Various [[organometallic]]<ref name=Midland1990>{{Cite journal|last1=Midland|first1=M. M.|last2=McLoughlin|first2=J. I.|last3=Werley|first3=Ralph T. (Jr.)|date=1990|title=Preparation and Use of Lithium Acetylide: 1-Methyl-2-ethynyl-''endo''-3,3-dimethyl-2-norbornanol|journal=Organic Syntheses|volume=68|page=14|doi=10.15227/orgsyn.068.0014}}</ref> and [[Inorganic compound|inorganic]]<ref name=Coffman>{{cite journal|last1=Coffman|first1=Donald D.|title=Dimethylethhynylcarbinol|journal=Organic Syntheses|date=1940|volume=40|page=20|doi=10.15227/orgsyn.020.0040}}</ref> reagents are effective.

[[Image:BASF_Nsw.jpg|thumb|The ''new acetylene plant'' of [[BASF]], commissioned in 2020]]