This product is white or kind of white powder has satiny feeling or crystalloid lumps, its profile have microstrip burnish of fine needle crystal, A similar grease micro smelly, tasteless. This product in chloroform or aether easily dissolved in ethanol, dissolved in water to almost insoluble. This product of low-freezing low-freezing (appendix Ⅵ D) not less than 54 ℃. Iodine value this product of iodine value (appendix Ⅶ H) is not more than four. Acid value this product of acid value (appendix Ⅶ H) 203 ~ 210.