氯辛硫磷

有机磷杀虫剂，作用机制是抑制胆碱酯酶，结构与辛硫磷相类似，但毒性低于辛硫磷，持效性大于辛硫磷，稳定性优于辛硫磷。具胃毒和触杀作用.对各种鳞翅目幼虫和马铃薯甲虫有显著效果，对蚜虫、飞虱、叶蝉、蚧类、红蜘蛛等也有效，可用于防治仓贮、土壤、卫生（蚊、蚋等）害虫，及对辛硫磷产生抗性的害虫。

[ 密度 ]:
1.3 g/cm3

[ 沸点 ]:
391.5ºC at 760 mmHg

[ 分子式 ]:
C₁₂H₁₄ClN₂O₃PS

[ 分子量 ]:
332.74300

[ 闪点 ]:
190.6ºC

[ 精确质量 ]:
332.01500

[ PSA ]:
105.74000

[ LogP ]:
4.53238

[ 蒸汽压 ]:
2.45E-06mmHg at 25°C

[ 折射率 ]:
1.563

CHEMICAL IDENTIFICATION

RTECS NUMBER :

AL8285000

CHEMICAL NAME :

Acetonitrile, 2-(2-chlorophenyl)-2-(diethoxyphosphinothioyloxyimino )-

CAS REGISTRY NUMBER :

14816-20-7

LAST UPDATED :

199109

DATA ITEMS CITED :

2

MOLECULAR FORMULA :

C12-H14-Cl-N2-O3-P-S

MOLECULAR WEIGHT :

332.76

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>5 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C73,1991

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>500 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 8,176,1987

[ 符号 ]:

GHS06

[ 信号词 ]:
Danger

[ 危害声明 ]:
H311

[ 警示性声明 ]:
P280-P302 + P352 + P312

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xn: Harmful;

[ 风险声明 (欧洲) ]:
R21

[ 安全声明 (欧洲) ]:
S22-S25

[ 危险品运输编码 ]:
UN 3464 6.1 / PGIII

[ RTECS号 ]:
AL8285000

1.邻氯苯乙腈的制备邻氯甲苯用氯化硫酰氯化，制得邻氯氯苄。取邻氯氯苄176.5g(1.1mol)、KCN98g(1.5mol)、三乙基苄基氯化铵10.9g (0.05mol)、水150mL混合后，加热至90℃，搅拌反应5～8h。冷却、去水、洗涤、干燥、过滤并减压蒸馏，收集126～128℃/12～133Pa馏分148.4～157.9g，产率89.4%～94.5%(b,p.115～120℃/133Pa)。

2.邻氯苯乙腈肟钠的制备将金属钠12g(0.52mol分批加入到250mL无水乙醇中，搅拌至金属钠消失。加入邻氯苯乙腈75.8g(0.54mol)。滴加新制备的亚硝酸正丁酯55.6g(0.54mol)。滴毕，于室温搅拌反应3h。抽滤，用乙醚洗涤3次。干燥得黄色粉末状固体即为邻氯苯乙腈肟钠，产量56.3g，产率55.6%，m.p.267~269℃。

3.O,O-二乙基硫代磷酰氯的制备详见喹硫磷的制法。

4.氯辛硫磷合成将邻氯苯乙腈肟钠10.1g(0.05mol)悬浮于100mL丙酮中，在搅拌下滴加O,O-二乙基硫代磷酰氯9.4g(0.05mol)。滴毕，室温搅拌反应2～3h，蒸去溶剂，残留物加水，搅拌，析出白色结晶15.9g，产率96%，m,p.64.5～65.5℃。

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Toxicol. Eur. Res. 5(2) , 63-9, (1983)

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