Antimony butter - Antimony butter

Japanese: アンチモンバター - あんちもんばたー

…Antimony was treated with special interest by medieval alchemists, who believed it to be the best starting material for achieving success. Antimony chloride, under the name of antimony butter, was also widely used as a medicine. The Triumph of Antimony, a book attributed to B. Valentine and published by Johann Thölde in the 17th century, contains recipes for many antimony compounds. …

[Antimony chloride]

…Melting point 73.4℃, boiling point 223℃, specific gravity 3.14 (20℃). It is highly deliquescent and when left to stand it often becomes sticky and semi-liquid, and has long been known as antimony butter. When dissolved in water it produces antimony oxychloride (III) SbOCl (also called antimony chloride), which becomes acidic and cloudy. …

*Some of the terminology explanations that mention "antimony butter" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…アンチモンは中世の錬金術師にとっては特別の興味をもってとりあつかわれ，成功を獲得するための最適の出発物質であると信じられた。アンチモンバターの名で塩化アンチモンも医薬品として広く使用された。17世紀にテールデJohann Thöldeによって出版されたB.ウァレンティヌスの作と伝えられる《アンチモンの凱旋車》には多くのアンチモン化合物の処方が載っている。…