The Collaborative International Dictionary of English v.0.48:

Azotine \Az"o*tine\, n. Also -tin \-tin\ . [Azote + -ine.]
   1. An explosive consisting of sodium nitrate, charcoal,
      sulphur, and petroleum.
      [Webster 1913 Suppl.]

   2. same as 1st Ammonite, 2.
      [Webster 1913 Suppl.]