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乐果

乐果用途

Dimethoate 是一种有效的植物系统杀虫剂,在防治家畜蛴螬和某些其他害虫方面显示出良好的前景,对家蝇和许多其他昆虫具有高度的接触毒性。

乐果名称

[ CAS 号 ]:
60-51-5

[ 中文名 ]:
乐果

[ 英文名 ]:
Dimethoate

[中文别名 ]:

[英文别名 ]:

乐果生物活性

[ 描述 ]:

Dimethoate 是一种有效的植物系统杀虫剂,在防治家畜蛴螬和某些其他害虫方面显示出良好的前景,对家蝇和许多其他昆虫具有高度的接触毒性。

[ 相关类别 ]:

研究领域 >> 其他
信号通路 >> 其他 >> 其他

[参考文献]

[1]. CASIDA JE, et al. Toxic hazard from formulating the insecticide dimethoate in methyl 'Cellosolve'. Nature. 1961;189:507-508.

乐果物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
310.3±52.0 °C at 760 mmHg

[ 熔点 ]:
52-52.5°C

[ 分子式 ]:
C5H12NO3PS2

[ 分子量 ]:
229.257

[ 闪点 ]:
141.4±30.7 °C

[ 精确质量 ]:
228.999619

[ PSA ]:
114.76000

[ LogP ]:
1.32

[ 外观性状 ]:
白色结晶固体

[ 蒸汽压 ]:
0.0±1.5 mmHg at 25°C

[ 折射率 ]:
1.548

[ 储存条件 ]:
0-6°C

[ 水溶解性 ]:
Slightly soluble. 2.5 g/100 mL

乐果MSDS

乐果毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TE1750000
CHEMICAL NAME :
Phosphorodithioic acid, O,O-dimethyl ester, S-ester with 2-mercapto-N-methylacetamide
CAS REGISTRY NUMBER :
60-51-5
BEILSTEIN REFERENCE NO. :
1785339
LAST UPDATED :
199710
DATA ITEMS CITED :
96
MOLECULAR FORMULA :
C5-H12-N-O3-P-S2
MOLECULAR WEIGHT :
229.27
WISWESSER LINE NOTATION :
1OPS&O1&S1VM1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
286 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - fasciculations Behavioral - coma Lungs, Thorax, or Respiration - dyspnea
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
300 mg/kg
TOXIC EFFECTS :
Behavioral - coma Cardiac - pulse rate Vascular - BP lowering not characterized in autonomic section
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
357 mg/kg
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes Cardiac - cardiomyopathy including infarction Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
60 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
353 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
350 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
450 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
215 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
60 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
45 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
60 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
350 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
965 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD10 - Lethal Dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
390 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
160 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
60 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
25 mg/kg
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
25 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - duck
DOSE/DURATION :
42 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - wild bird species
DOSE/DURATION :
6600 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
630 mg/kg/28D-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - multiple enzyme effects
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1092 mg/kg/52W-C
TOXIC EFFECTS :
Blood - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
300 mg/kg/6W-I
TOXIC EFFECTS :
Brain and Coverings - changes in surface EEG Peripheral Nerve and Sensation - recording from peripheral motor nerve Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3330 mg/kg/90D-C
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4500 ug/m3/13W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
257 ug/m3/24H/15W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3852 mg/kg/26W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Liver - fatty liver degeneration Kidney, Ureter, Bladder - changes in both tubules and glomeruli
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
3937 mg/kg/90D-C
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
4500 ug/m3/8H/13W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
56 mg/kg/4W-I
TOXIC EFFECTS :
Liver - other changes Endocrine - other changes Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
256 mg/kg/4W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Blood - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
176 mg/kg/6W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Blood - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
120 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
113 mg/kg
SEX/DURATION :
female 6-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - other effects to embryo
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1050 mg/kg
SEX/DURATION :
multigenerations
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Fertility - other measures of fertility Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
220 mg/kg
SEX/DURATION :
female 6-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
440 mg/kg
SEX/DURATION :
female 6-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
40 mg/kg
SEX/DURATION :
female 1 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
108 mg/kg
SEX/DURATION :
female 14-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
Specific locus test
TYPE OF TEST :
Sex chromosome loss and nondisjunction
TYPE OF TEST :
Sex chromosome loss and nondisjunction
TYPE OF TEST :
Micronucleus test
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Micronucleus test
TYPE OF TEST :
Unscheduled DNA synthesis
TYPE OF TEST :
Mutation test systems - not otherwise specified
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Cytogenetic analysis

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
20 mg/L
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 4,621,1982 *** REVIEWS *** TOXICOLOGY REVIEW AQMOAC Air Quality Monographs. (Washington, DC) No.69-1 - No.75-25, 1969-75(?). Discontinued. Volume(issue)/page/year: #73-19,1973 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 46,1,1973 TOXICOLOGY REVIEW MZUZA8 Meditsinskii Zhurnal Uzbekistana. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) No.1- 1957- Volume(issue)/page/year: (8),90,1973 TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 63,1,1976 TOXICOLOGY REVIEW ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 34,193,1984 TOXICOLOGY REVIEW NULSAK Nucleus (Calcutta). (Dr. A.K. Sharma, Centre of Advanced Studies in Cell and Chromosome Research, Calcutta, 35 Baliygunge Circular Rd., Calcutta 700 019, India) V.1- 1958- Volume(issue)/page/year: 28,243,1985 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84534 No. of Facilities: 30 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 90 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84534 No. of Facilities: 54 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1665 (estimated) No. of Female Employees: 107 (estimated)

乐果安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302-H312

[ 警示性声明 ]:
P280

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R21/22

[ 安全声明 (欧洲) ]:
S2-S36/37-S24/25-S23-S53-S26

[ 危险品运输编码 ]:
UN 2783

[ RTECS号 ]:
TE1750000

[ 包装等级 ]:
III

[ 危险类别 ]:
6.1(b)

[ 海关编码 ]:
2930909063

乐果合成路线

乐果上下游产品

乐果制备

1.工业上生产乐果的方法主要有氯乙酰甲胺法、后胺解法。后一种方法是在氯乙酰甲胺法之后发展起来的,此法副反应少,产品纯度可达90%以上,粗品收率90%左右。

2.O,O一二甲基二硫代磷酸(简称甲基硫化物)的制备通常采用P2S5与CH3OH作用,甲醉适当过量,反应温度55-60 ℃,为强放热反应,操作时要特别注意安全。反应过程较复杂,同时发生一系列副反应。O,O一二甲基二硫代磷酸的收率和含量75 %-80 %采用适当催化剂,在(55士2)℃反应,收率和含量可达90℃左右。

3.O,O一二甲基一5-(乙酸甲酷)二硫代磷酸酷的制备O,O一二甲基一S(乙酸甲酷)二硫代磷酸酷由O,O一二甲基二硫代磷酸钠与氯乙酸甲酷作用制得,原料配比为1:1.7,反应温度55℃,若采用连续化生产工艺,预热温度h0一70 ℃,反应温度X80士5)℃。

4.乐果的合成O,O一二甲基一S-(乙酸甲酯)二硫代磷酸a与一甲胺作用,原料配比为1:(1.2-1.3),反应温度一5一0 ℃反应结束加苯(或二氯乙烯)萃取反应液中乐果,加盐酸调竹pH值为7,加适量水,以促进分层。规格40 %, 50 %, 80 %,乐果乳油;4%,蚕用乐果乳油;3.6%}高渗乐果乳油;2 % , 3% , 10 %,乐果剂;20 %, 50 %,乐果可湿性粉剂;10 %, 50%乐果颗粒剂。

乐果海关

[ 海关编码 ]: 2930909063

[ 中文概述 ]:
2930909063 乐果、益硫磷、氧乐果等〔包括甲拌磷、乙拌磷、虫螨磷、果虫磷〕 退税率:9.0% 监管条件:S(进出口农药登记证明)

[ 申报要素 ]: 品名, 成分含量, 用途

[ 监管条件 ]: S.进出口农药登记证明

[ Summary ]:
2930909063 o,o-dimethyl s-(2-(methylamino)-2-oxoethyl) phosphorothioate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

乐果文献

Effects of solvent on the toxicity of dimethoate in a honey bee in vitro larval study.

Pest Manag. Sci. 69(4) , 462-3, (2013)

There is increasing interest in the toxicity of pesticides to honey bee larvae. The solubility of pesticides in the artificial diet used to dose larvae is a key issue. There has been no full evaluatio...

Biomarkers and energy reserves in the isopod Porcellionides pruinosus: the effects of long-term exposure to dimethoate.

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