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Pronunciation: si-an'o-jen


  1. A compound of two cyano radicals, NC—CN.
  2. Highly toxic compounds (general formula X—CN, where X is a halogen) that are used in chemical syntheses and as tissue preservatives. An example is cyanogen bromide.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.