1. Brownish or light yellow, transparent oil-like liquid with mild and special odor; 2. Density 0.947-0.955 and high boiling point 250 degree centigrade(13.33 pa); 3. Soluble in ethanol, acetones, diethyl ether, chloroform and vegetable oil & fats, insoluble in water; 4. No calorie, not involved in metabolism in human body; 5. Used in food/feed and pharmacertical industry.