人人超碰99尤物精品国产,无夜精品999,无码三级在线观看不卡,思思热青青草

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.