ethion - Names and Identifiers
Name | ethion
|
Synonyms | ethion O,O,O,O-tetraethyl S,S-methylenedi(phosphorodithioate) O,O,O',O'-tetraethyl S,S'-methanediyl bis(phosphorodithioate)
|
CAS | 563-12-2
|
EINECS | 209-242-3 |
InChI | InChI=1/C9H22O4P2S4/c1-5-10-14(16,11-6-2)18-9-19-15(17,12-7-3)13-8-4/h5-9H2,1-4H3 |
ethion - Physico-chemical Properties
Molecular Formula | C9H22O4P2S4
|
Molar Mass | 384.476 |
Density | 1.305g/cm3 |
Boling Point | 401.2°C at 760 mmHg |
Flash Point | 196.5°C |
Vapor Presure | 2.78E-06mmHg at 25°C |
Refractive Index | 1.558 |
Physical and Chemical Properties | Melting Point:-25 -- 24
Boiling Point: 164-165 at 0.3mm Hg
density: 1.22
water solubility: 0.00006g/100 mL
Appearance: liquid |
Use | Non-systemic insecticides and acaricides, can effectively control cotton, rice, corn, fruit trees, flowers and other crops on the leaf hopper, planthopper, thrips and other pests |
ethion - Introduction
ethion(ethion) is an organophosphorus pesticide with a chemical formula of C9H22O4P2S4 and a colorless or pale yellow liquid in appearance. The following is an introduction to some of the properties, uses, methods and safety information of ethion:
Nature:
-Density: 1.3g/cm³
-Melting point:-11 ~-10°C
-Boiling point: 149~151°C
-Soluble in water and organic solvents
Use:
- ethion is commonly used as an insecticide in the agricultural field, mainly used to control aphids, planthoppers, mites and other pests.
-It has insecticidal activity on a variety of fruit trees, vegetable crops, cotton, tea, etc., and has a long validity and high toxicity.
Preparation Method:
ethion is generally prepared by the following steps:
1. Add the thionyl, ethanol and chloroacetic acid to the reaction vessel and stir to mix.
2. Heat the reaction vessel and continue to stir and mix to complete the reaction.
3. After the reaction, the reaction was cooled and distilled to obtain a yellow-green ethion liquid.
Safety Information:
- ethion is a toxic substance that may pose a serious health hazard by exposure or inhalation. Therefore, it is necessary to strictly abide by the relevant safety operation procedures when using.
-When using ethion, you need to wear appropriate protective equipment, such as gloves, protective glasses, respirators, etc.
-When storing ethion, it is necessary to keep it away from fire and high temperature environment to prevent it from contacting with flammable substances.
-When an ethion leak or accident occurs, it is necessary to take appropriate measures immediately, such as removing the leak, ventilating, wearing protective equipment, etc. to ensure safety.
Please note that ethion is an pesticide chemical substance. Please use it in strict accordance with relevant national and regional regulations and regulations, and follow correct operation methods and safety measures.
Last Update:2024-04-10 22:29:15