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1·The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved.

对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。

2·Our company specializes in producing, refining sulfur powder, sulfur SC, phosphorus trichloride and other products.

本公司专业生产、精制硫磺粉，硫悬浮剂，三氯化磷等产品。

3·The synthesis of antioxidant 168 has been studied by esterification of 2. 4-ditertbutylphenol and phosphorus trichloride.

讨论了以2，4-二叔丁基苯酚、三氯化磷为原料合成抗氧剂168的方法。

4·Antioxidant tris (nonyl phenyl) phosphate was prepared with nonyl phenol and phosphorus trichloride as raw materials, arene as solvent and by using directive esterification method.

以壬基酚和三氯化磷为原料，芳烃为溶剂，采用直接酯化法，可制备三壬基苯基亚磷酸酯。