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CAS: 13376-78-8
分子式: C12H17O4PS2
分子量: 320.37
中文名称: 
甲基乙酯磷
益尔散
S-2940
稻丰散
O,O-二甲基-S-(苯基乙酸乙酯基)二硫代磷酸酯
英文名称: 
acetic acid, mercaptophenyl-, ethyl ester, s-ester with o,o-dimethyl phosphorod
(dimethyl s-(phenylethoxycarbonylmethyl)phosphorothiolothionate)
(o,o-dimethyl-s-(alpha-(carboethoxy)benzyl)phosphorodithioate
(o,o-dimethyldithiophoshorylphenyl)-acetic aci ethyl ester
(o,o-dimethyldithiophosphorylphenyl)-acetic aci ethyl ester
phenthoate acid
bay 33051
(O,O-dimethyldithiophosphorylphenyl)-,ethyl ester
phenthoate acid(as impurity)
bayer 18510
phenthoateacid
alpha-((dimethoxyphosphinothioyl)thio)-benzeneacetic aci ethyl ester
cidemul
cidial
cidial ulv
dimefenthoat
dimephenthioate
dimephenthoate
elsan
elsan ulv
ent 23,438
ent 27386
ent 27386gc
ethyl alpha-((dimethoxyphosphenothioyl)thio)benzeneacetate
ethyl ester of o,o-dimethyldithiophosphoryl alpha-phenyl acetate
ethyl mercaptophenylacetate o,o-dimethyl phosphorodithioate
ethyl mercaptophenylacetate-o,o-dimethylphosphorodithioate
ethyl o,o-dimethylphosphorodithioyl phenyl acetate
ethyl o,o-dimethylphosphorodithioylphenylacetate
fenthoate
l-561
montecatini l-561
nsc 190978
o,o-dimethyl s-(1-carboethoxybenzyl) dithiophosphate
o,o-dimethyl s-(alpha-ethoxycarbonylbenzyl) thiophosphate
o,o-dimethyl s-(phenyl)(carboethoxy)methyl phosphorodithioate
o,o-dimethyl s-alpha-ethoxycarbonylbenzyl phosphorodithioate
o,o-dimethyl-s-(phenylacetic acid ethyl ester) phosphorodithioate
oms 1075
papthion
phendal
phenthoate
phenthoate 50 ec
s 2940
s-alpha-ethoxycarbonylbenzyl dimethyl phosphorothiolothionate
s-alpha-ethoxycarbonylbenzyl o,o-dimethyl phosphorodithioate
tagson
th 346-1
tsidial
性质描述: 浅黄色油状物。熔点17-18℃,相对密度1.226(20/4℃),折光率1.555。在24℃水中的溶解度为11ppm,溶于正乙烷、乙二醇二乙酯。在酸性、中性介质中稳定。
生产方法: 在苯乙酸中添加红磷(用量为苯乙酸重量的6%),于85℃左右通氯至反应液相对密度达到1.29-1.30(50/4℃)。然后加入95%的乙醇(按摩尔比,用量是苯乙酸的1.7倍),于60-80醇化,得到含量为99%以上的α-氯代苯乙酸酯。将α-氯代苯乙酸乙酯至85℃,滴加O,O-二甲基二硫代磷酸钠盐,用NaHCO3调节pH为7-8,反应3-3.5h即生成稻丰散。制和的稻丰散含量为62%以上,收率43%以上。也可以采用α-溴代苯乙酸酯与O,O-二甲基二硫代磷酸钠水溶液在甲苯中反应,添加相转移催化剂,在65℃反应4h时,可得含量92%的稻丰散。原料消耗定额:五硫化二磷1080kg/t、甲醇780kg/t、工业酒精(95%)700kg/t、碳酸氢钠1140kg/t、氰苄(>97%)1040kg/t、硫酸(>95%)1000kg/t、液氯(>99%)1630kg/t。
用途: 该品为高效、广谱、低毒的非内吸性有机磷杀虫、杀卵、杀螨剂,用于防治稻、棉、蔬菜、果树、油料等作物上的多种害虫。
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