Dimethyl sulfate

Japanese: dimethyl sulfate(英語表記)dimethylsulfate
Dimethyl sulfate

…It is a heavy oily liquid that is difficult to dissolve in water, but is slowly hydrolyzed. Dimethyl sulfate (CH 3 O) 2 SO 2 (melting point -31.4°C, boiling point 187.5°C), which is produced industrially from dimethyl ether and SO 3 , is often used as a methylation reagent to convert hydroxyl groups (OH) and amino groups (NH 2 ) to methoxyl groups (OCH 3) or methylamino groups (NHCH 3) . However, it is highly toxic and can be absorbed through the skin, so care must be taken when handling it. …

*Some of the terminology that mentions "dimethyl sulfate" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…重い油状の液体で,水には溶けにくいが徐々に加水分解される。ジメチルエーテルとSO3から工業的につくられる硫酸ジメチルdimethyl sulfate(CH3O)2SO2(融点-31.4℃,沸点187.5℃)は,水酸基-OHやアミノ基-NH2をメトキシル基-OCH3またはメチルアミノ基-NHCH3に導くメチル化試薬としてよく用いられる。ただし猛毒で,皮膚からも吸収されるので取扱いには注意を要する。…

※「dimethyl sulfate」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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