jinliwuhen
N-Ethyl-o,p-toluene sulfonamide is a straw yellow transparent liquid. It is required to have a minimum purity of 99%, with a maximum ash content of 0.2% and a maximum water content of 0.3%.
China Reliable Chemical Raw Material Suppliers - Jin...
https://images.plurk.com/6kPNUxgh7v6SgppylT3gZ0.jpg
載入新的回覆