Potassium sorbate (scientific name diallyl – (2, 4) – acid potassium; 2, 4 – diallyl acid potassium), is a colorless to white scaly crystalls or crystal powder, odourless or a slight odor. Instability in the air. Can be oxidation coloring. The molecular weight of 150.22. Has the water absorbability. Soluble in water, ethanol. Commonly known as: preservatives ChI = 1 / C6H8O2. K/c1-2-3-4-5-6 (7) 8; 5 H/h2 -, 1 h3, (H, 7, 8); / q; + 1 / / b3 – p – 1 + 2, 5-4 +.