内吸磷
外观
内吸磷 | |
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IUPAC名 O,O-Diethyl S-[2-(ethylsulfanyl)ethyl] phosphorothioate | |
别名 | Demeton thiol; Izosystox |
识别 | |
CAS号 | 126-75-0 ![]() |
PubChem | 24723 |
ChemSpider | 23115 |
SMILES |
|
InChI |
|
InChIKey | GRPRVIYRYGLIJU-UHFFFAOYAI |
性质 | |
化学式 | C8H19O3PS2 |
摩尔质量 | 258.3384 g/mol g·mol⁻¹ |
外观 | colorless to amber oily liquid[1] |
氣味 | sulfurous |
密度 | 1.146 g/cm3 |
沸点 | 128 °C(401 K) |
溶解性(水) | 2.0 g/100 mL |
log P | 2.38[2] |
折光度n D |
1.5 |
危险性 | |
PEL | TWA 0.1 mg/m3 [skin][1] |
致死量或浓度: | |
LD50(中位剂量)
|
1.5 mg/kg (oral, rat) |
LDLo(最低)
|
5 mg/kg (rabbit, oral) 7.85 mg/kg (mouse, oral) 1.7 mg/kg (rat, oral)[3] |
LCLo(最低)
|
15 mg/m3 (rat, 4 hr) 15 mg/m3 (cat, 4 hr)[3] |
相关物质 | |
相关化合物 | Demeton-S-methyl |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
内吸磷(英語:Demeton,商品名有Systox等),化学式C
8H
19O
3PS
2,为两种硫代磷酸酯内吸磷-S、内吸磷-O的混合物,常温常压下为琥珀色油状液体,有硫磺味。内吸磷曾被用作杀虫剂,但由于对人体毒性相对较高,现已基本停用,并被美国环境保护局(EPA)列入极度危险物质列表[4]。
参考文献
[编辑]- ^ 1.0 1.1 NIOSH Pocket Guide to Chemical Hazards. #0177. NIOSH.
- ^ Demeton_msds.
- ^ 3.0 3.1 Demeton. Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
- ^ 40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (PDF) July 1, 2008, Government Printing Office, [October 29, 2011], (原始内容 (PDF)存档于February 25, 2012)