An organ phosphorous pesticide , 4 - ( methylthio ) phenyl di - n - propyl phosphate ( propaphos ) , and intermediates , di - n - propyl phosphite and di - n - propyl chlorphosphate , were synthesized by using n - propanol , phosphorus trichloride , 4 - ( methylthio ) phenol , etc . as starting materials 摘要以正丙醇、三氯化磷、 4 -甲硫基苯酚等为原料，合成有机磷杀虫、杀菌剂丙虫磷以及中间体二正丙基亚磷酸酯等。
The novel title compound was synthesized with benzaldehyde , isobutyraldehyde , phosphorus trichloride as raw materials . the total yield was 40 . 8 % . the structure was confirmed by 1h nmr , 31p nmr and elemental analysis 摘要以苯甲醛、异丁醛、三氯化磷为原料合成了新型的1 , 3 , 2 -氧磷杂环类化合物2 -苯羟甲基5 , 5 -二甲基4 -苯基2 -氧代1 , 3 , 2 -二氧磷杂环己烷，总收率为40 . 8 % ，并对其进行了nmr研究和结构表征。
In addition , our products of acetoacetanilide , p - methoxybenzoic acid , phosphorus trichloride , tributyl phosphate , isopropyl acetylacetic ester , analgin , 9 - anthracenemethanol and 9 - anthraldehyde of which we are the sole producer in china can be provided regularly for export 产品质量稳定， 80 %的品种出口到东南亚欧洲美洲，受到国内外客户的好评，特别受到国际采购集团的青睐，在化工相关领域有较高的知名度。
Basing on content analyzing of nitrogen trichloride in product line and recycling cylinder of liquefied chlorine , factors were summarized which affect analyzing accuracy of nitrogen trichloride and improvement methods that would help to improve analyzing accuracy of nitrogen trichloride and ensure work safety 摘要在液氯生产系统、液氯气瓶回瓶中三氯化氮含量分析的大量试验基础上，找出了影响三氯化氮分析结果准确度的因素，提出了具体的改进方法，对提高氯碱生产中三氯化氮含量的准确性、确保安全生产具有一定的指导作用。
Yiyang city jiutong smelting company limited located in the beautiful upper of zijiang river majitang town , taojiang county , 207 national freeways , peach wye road and the side , after several generations of state - owned enterprises restructuring and long - learned person fighting , innovation , and has now become the 300 - plus employees , with an annual output of antimony trichloride , refined antimony , antimony sulfide , antimony chloride , sodium pyroantimonate antimony and other metal goods 6000 dayton of the company , under the led of chairman wendan , the employee of the company is in the light of " the quality first , the trustworthiness first " of aim , tenacious struggle , forge ahead , and constantly domestic and foreign traders and friends of various circles to provide satisfactory products and outstanding services 益阳市久通冶炼公司坐落在美丽的资江河畔上游桃江县马迹塘镇， 207国道、桃怀公路从旁而过，经过国企改制和几代久通人的拼搏、创新，现已成为拥有300多名员工，年产三氧化二锑、二号精锑、三硫化二锑、氯化锑、焦锑酸钠等各种锑品6000吨金属量的股份有限公司，在董事长温丹带领下，公司员工本着“质量第一，诚信第一”的宗旨，顽强拼搏，锐意进取，不断为国内外客商及各界朋友提供满意的产品和优秀的服务。
