Bis(2-​butoxyethyl) 2-​(2-​Hydroxybutoxy)​ethyl Phosphate Triester is derived from Bis(2-butoxyethyl) 2-Hydroxyethyl Phosphate Triester (B415190), which is a metabolite of Tris(2-butyloxyethyl)phosphate (T875030), which is an organophosphate, that can be used in the preparation of flame retardant, such as viscose fiber.