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二溴磷

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二溴磷
Skeletal formula of Naled
Ball-and-stick model of the Naled molecule
IUPAC名
Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate
1,2-二溴-2,2-二氯乙基磷酸二甲酯
识别
CAS号 300-76-5  checkY
PubChem 4420
ChemSpider 4267
SMILES
 
  • COP(=O)(OC)OC(C(Cl)(Cl)Br)Br
InChI
 
  • 1/C4H7Br2Cl2O4P/c1-10-13(9,11-2)12-3(5)4(6,7)8/h3H,1-2H3
InChIKey BUYMVQAILCEWRR-UHFFFAOYAA
Beilstein 2049930
UN编号 3018 2783
ChEBI 38729
RTECS TB9450000
KEGG C18749
性质
化学式 C4H7O4PBr2Cl2[1]
摩尔质量 380.8[1] g·mol⁻¹
外观 无色至白色固体,草黄色液体[1]
密度 1.96 g/mL (25°C)[1]
熔点 27 °C(300 K)([1]
沸点 分解[1]
蒸气压 0.0002 mmHg(20°C)[1]
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案《全球化学品统一分类和标签制度》(简称“GHS”)中对环境有害物质的标签图案
GHS提示词 Warning
H-术语 H302, H312, H315, H319, H400
P-术语 P264, P270, P273, P280, P301+312, P302+352, P305+351+338, P312, P321, P322, P330, P332+313, P337+313, P362
闪点 不可燃[1]
PEL TWA 3 mg/m3(皮肤接触)[1]
致死量或浓度:
LD50中位剂量
156 mg/kg(小鼠,吸入)
222 mg/kg(小鼠,口服)
160 mg/kg(大鼠,口服)
430 mg/kg(哺乳动物,口服)
250 mg/kg(大鼠,口服)
330 mg/kg(小鼠,口服)[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

二溴磷(英语:DibromNaled)是一种有机磷杀虫剂[3][4],其化学名为1,2-二溴-2,2-二氯乙磷酸二甲酯dimethyl 1,2-dibromo-2,2-dichloroethylphosphate)。

二溴磷在无水条件下稳定,须在避光、常压和常温下保存,在水和碱存在下会降解,在酸性条件下会产生有毒氯化物,与金属、还原剂或硫醇反应会释放生成敌敌畏[4]

参考文献

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 NIOSH Pocket Guide to Chemical Hazards. #0225. NIOSH. 
  2. ^ Dimethyl-1,2-dibromo-2,2-dichlorethyl phosphate (Naled). Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH). 4 December 2014 [17 March 2015]. (原始内容存档于2020-10-19). 页面存档备份,存于互联网档案馆
  3. ^ Naled Facts. Pesticides Reregistration. Environmental Protection Agency. [16 November 2011]. (原始内容存档于2012-06-14). 页面存档备份,存于互联网档案馆
  4. ^ 4.0 4.1 Naled. Extoxnet. Cornell University. [16 November 2011]. (原始内容存档于2020-11-08). 页面存档备份,存于互联网档案馆
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二溴磷
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