... , slightly soluble in water, insoluble in ethanol, a relative density of 2.23, stable in air, begin to lose water and ... in flour, cake, pastry and baking products, as modifier in bread and deep-fried food and as nutritional supplement or quality modifier in biscuit ... ,% ≤ 0.0002Fluoride (by F) Content, % ≤ 0.005 Calcium Hydrogen Phosphate (Food-grade)