Magnesium Trisilicate in White Powder Form is practically insoluble in water and in ethanol 95 %. Magnesium Trisilicate is available in fine white powder form which is free from grittiness. Magnesium Trisilicate is odourless and slightly hygroscopic in nature. Magnesium Trisilicate contains maximum 4 ppm arsenic and maximum 40 ppm heavy metals. Magnesium Trisilicate in White Powder Form is available in light as well as heavy varieties to suit specific requirement.