Sands of Time (alchemy)

Source
Sold by in Uldum and Big Keech in the Vale of Eternal Blossoms for.

As a reagent

 * Alchemy:
 * Vial of the Sands

Objective of

 * All-Seeing Eye (quest) x3

Speculation
For his work on alternate Draenor Kairozdormu used the Sands of Time from the Hourglass of Time. It is unclear what relation, if any, is between the two Sands. However, Anachronos used these to create the Timeless Eye.