The paper discusses in detail the main factors of the possible risks and of the product yield during the production of terapenytlin, which is the key intermediate of chlorotriphenyltin, and after that identifies the various factors affecting the production safety and product quality and yield so as to ensure the smooth progression of the large-scale production.% 文章对三苯基氯化锡生产过程中关键的中间体四苯基锡容易产生危险和影响收率的因素进行了充分讨论，找出影响影响安全生产及产品质量和收率的各种因素，确保了大生产的顺利进行。
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