Based on Iqtidar Alam Khan, it was invading Mongols who launched gunpowder towards the Islamic world.[24] The Muslims obtained understanding of gunpowder a while in between 1240 and 1280, by which point the Syrian Hasan al-Rammah had created recipes, Directions for that purification of saltpeter, and descriptions of gunpowder incendiaries. https://greatgotfirearms.com/product-category/black-powder/