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Methanethiol
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==Preparation== Methanethiol is prepared commercially by the reaction of [[methanol]] with [[hydrogen sulfide]] gas over an [[aluminium oxide]] catalyst:<ref name="John Wiley & Sons, Inc">{{cite book |last1=Norell |first1=John |last2=Louthan |first2=Rector P. |title=Kirk-Othmer Concise Encyclopedia of Chemical Technology |edition=3rd |year=1988 |publisher= John Wiley & Sons, Inc.|location=New York|isbn=978-0471801047|pages=946β963 |chapter=Thiols}}</ref> :CH<sub>3</sub>OH + H<sub>2</sub>S β CH<sub>3</sub>SH + H<sub>2</sub>O Although impractical, it can be prepared by the reaction of [[methyl iodide]] with [[thiourea]].<ref Name="Reid">{{cite book |last1= Reid|first1= E. Emmet |title= Organic Chemistry of Bivalent Sulfur |volume= 1|year=1958 |publisher=Chemical Publishing Company, Inc. |location= New York |pages=32β33, 38}}</ref>
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