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CAS: 298-02-2
分子式: C7H17O2PS3
分子量: 260.38
中文名称: 
甲拌磷
西梅脱
O,O-二乙基-S-((乙硫基)甲基)二硫代磷酸酯
甲拌磷原油
O,O-二乙基-S-乙硫基甲基二硫代磷酸酯
3911
英文名称: 
phorat (german)
o,o-diaethyl-s-(aethylthio-methyl)-dithiophosphat (german)
o,o-diethyl ethylthiomethyl phosphorodithioate
o,o-diethyl s-(ethylthio)methyl phosphorodithioate
o,o-diethyl s-ethylmercaptomethyl dithiophosphate
o,o-diethyl s-ethylmercaptomethyl dithiophosphonate
o,o-diethyl s-ethylthiomethyl dithiophosphonate
o,o-diethyl s-ethylthiomethyl thiothionophosphate
o,o-diethyl-s-((ethylthio)methyl)phosphorodithioate
o,o-diethyl-s-(ethylthio-methyl)-dithiofosfaat
o,o-diethyl-s-(ethylthio-methyl)-dithiofosfaat (dutch)
o,o-dietil-s-(etiltio-metil)-ditiofosfato
o,o-dietil-s-(etiltio-metil)-ditiofosfato (italian)
phorat
o,o-diaethyl-s-(aethylthio-methyl)-dithiophosphat
phorate-10g
phosphorodithioic acid o,o-diethyl s-((ethylthio)methyl)ester
rampart
rcra waste number p094
thimenox
timet
vegfru
vegfru foratox
vergfru foratox
vuagt 182
Phosphorodithioic acid,esters,O,O-diethyl-S-((ethylthio)methyl)ester
O,O-Diethyl S-ethylthiomethylphosphorodethioate
O,O-diethyl-S-[(ethylthio)methyl]dithiophosphate
ei3911
Phorate
Thimet
O,O-Diethyl-S-ethylthiomethyl-dithiophosphate
O,O-Diethyl-S-ethyl thiomethyl phosphorodithioate
phosphorodithioic acid, o,o-diethyl s-(ethylthio)methyl ester
ac 3911
ac 8911
agrimet
american cyanamid 3,911
american cyanamid 3911
dithiophosphate de o,o-diethyle et d'ethylthiomethyle
dithiophosphate de o,o-diethyle et d'ethylthiomethyle (french)
ei 3911
Phosphorodithioic acid, esters, O,O-diethyl-S-((ethylthio)methyl) ester
ent 24 042
ent 24,042
ent 24042
experimental insecticide 3911
foraat
foraat (dutch)
geomet
granatox
granutox
l 11/6
methanethiol, (ethylthio)-, s-ester with o,o-diethyl phosphorodithioate
methanethiol, (ethylthio)-, s-ester with o,o-diethylphosphorodithioate
性质描述: 无色油状液体。熔点<-15℃,沸点118-120(0.11kPa),相对密度1.167(25/4℃),折光率1.5349(25℃)。蒸气压(20℃)为1.12×10-4kPa。在室温水中溶解度为50-60mg/L,可溶于多数有机溶剂和脂肪油。在碱性溶液中分解失效。略有臭味,工业品有恶臭。
生产方法: 将O,O-二乙基二硫代磷酸酯和乙硫醇在甲醛水溶液存在下反应而得。将约23%的二乙基二硫代磷酸酯与36%的甲醛水溶液及乙硫醇,按摩尔比1:1.1:1.16配合,连续加入串联的两个反应缸,温度分别控制在50℃和70℃,缩合成甲拌磷,经连续分液得到含量为85-90%的甲拌磷原油,收率85-92%。加工剂型为60%乳油。原料消耗定额:二乙基二硫代磷酸酯900kg/t、乙硫醇350kg/t、甲醛(36%)530kg/t。
用途: 该品具有内吸和熏蒸作用,主要用于棉籽拌种、浸种或土壤处理,防治棉花早期蚜虫、红蜘蛛、蓟马等,并可兼治地老虎、蝼蛄、金针虫等地下害虫。
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