Based on Iqtidar Alam Khan, it absolutely was invading Mongols who introduced gunpowder to the Islamic world.[24] The Muslims obtained knowledge of gunpowder some time between 1240 and 1280, by which point the Syrian Hasan al-Rammah had composed recipes, instructions with the purification of saltpeter, and descriptions of gunpowder incendiaries. https://health-lists.com/story15123948/the-definitive-guide-to-black-powder