The distilled water was added to the sulfonation liquid to obtain p-toluenesulfonicacid crystal.
将蒸馏水加入磺化液中，得到对甲苯磺酸结晶。
2
The main factors affecting the reaction such as ratio of reactants, the catalyst (p toluenesulfonicacid), temperature and solvent were discussed.
探讨了硬脂酰氯和单宁酸的量比、催化剂对甲苯磺酸的用量、反应温度和溶剂等对合成的影响。
3
A new antioxidant dithiodinglycol distearictate was synthesized starting from thiodiglycol and stearic acid using p-toluenesulfonicacid as catalyst and xylene as water carrier.