Magnesium chloride anhydrous, suitable for insect cell culture is an inorganic salt and cell culture medium component that can be used to prepare Tris buffer. Magnesium chloride anhydrous, suitable for insect cell culture is a component of Hunters Thrips medium, which supports the in vitro culture of western flower thrip embryonic cells, and promotes the adhesion of tissue fragments/cells as well as the growth of fibroblast-like and epithelial-like cells[1].