Qí Tuī 齊推 was a mid-Táng Daoist alchemist, author of KR5c0343 Líng fēi sǎn chuán xìn lù 靈飛散傳信錄 (title’s last character as 言 / 信 varies in editions) — a transmission-record of the “numinous-flying powder” (líng fēi sǎn 靈飛散) elixir. Dated 812 (Yuán hé 7, under Táng Xiàn zōng).