337vt最大但人文艺术西方,特级α片在线观看,黃色a片三級三級三級,成年人免费观看视频网站,无码八a片人妻少妇久久,五月天狠狠操Av研究站久久,久久嫩模无码视频,国产一卡二卡国产无码精品区,亚洲无码不卡一二三区

Professional sales of Salicylic acid　Wholesale of Salicylic acid　Shijitongda Salicylic acid　Shandong Salicylic acid　

99% Domestic 25kg/bag
CAS No.: 69-72-7
White crystalline powder, odorless, bitter first and turn to pungent.
Melting point 157-159^οC, gradually change color in the light. Relative density 1.44. Boiling point about 211^οC/2.67kPa. Sublimate at 76^οC.
Salicylic acid is an important raw material of medicine, perfume, dye, rubber auxiliary and other fine chemicals.