O,O-Diethyl-O-penyl thiophosphate - Names and Identifiers
O,O-Diethyl-O-penyl thiophosphate - Physico-chemical Properties
O,O-Diethyl-O-penyl thiophosphate - Introduction
O,O-diethyl-O-phenyl thiophosphate, also known as diethyl phenyl thiophosphate (DETP), is an organophosphate compound. It has the following properties:
1. Appearance: The common DETP is a colorless to light yellow liquid, but it also has a solid form.
2. Solubility: DETP can be dissolved in organic solvents, such as ethanol, acetone and dichloromethane.
3. Melting point: The melting point of DETP is between -10 ℃ and -12 ℃.
4. Stability: It is a relatively stable compound that is not easy to decompose at room temperature.
O,O-diethyl-O-phenyl phosphorothioate is mainly used in the following aspects:
1. Insecticide: DETP is an effective organophosphorus insecticide, which can be used in agriculture and home to control various insect pests.
2. Catalyst: DETP can be used as a ligand for amine catalysts and is used as a catalyst in organic synthesis reactions.
3. Fuel additive: DETP can be used as a fuel additive to improve the anti-knock performance of the fuel.
The method for preparing O,O-diethyl-O-phenyl phosphorothioate is as follows:
O,O-diethylethanethiol and phenylphosphoryl chloride are reacted under alkaline conditions to produce O,O-diethyl-O-phenyl phosphorothioate. It is necessary to control the temperature and reaction time during the reaction.
When using O,O-diethyl-O-phenyl phosphorothioate, the following safety information should be noted:
1. Toxicity: DETP belongs to organophosphorus insecticides and has certain toxicity. Contact with the skin or inhalation of continuously high concentrations of DETP may cause harm to the human body.
2. Protective measures: When using DETP, wear suitable protective gloves, eye protection and respiratory protection. Avoid direct contact with skin and eyes.
3. Storage and handling: DETP should be stored in a dry, cool, well-ventilated place. Avoid contact with oxidizing agents and acids.
4. Waste Disposal: Waste DETP should be disposed of in accordance with local environmental regulations.
Last Update:2024-04-09 21:21:28