Trans-1,2-Dichloroethylene CAS 156-60-5
Factory Supply Trans-1,2-Dichloroethylene CAS 156-60-5 with Best Price
- Appearance: Colorless liquid
- Purity: 99. 0%min
- Stock: In stock
- Packing: 250kg/Drum
- Zhishang Chemical: Trans-1,2-Dichloroethylene Supplier & Manufacturer
Trans-1,2-Dichloroethylene: The Complete Guide
Trans-1,2-Dichloroethylene for Sale
|Pesticide raw materials
What is Trans-1,2-Dichloroethylene?
The chemical formula of dichloroethylene is C2H4Cl2. Synthesized from ethylene, chlorine and also water, it is a fumigant for controlling warehouse insects. Dichloroethylene has two isomers, cis-dichloroethylene as well as trans-dichloroethylene. Both trans and also cis 1,2-dichloroethylene are colorless clear oily liquids at room temperature level, with melting points of -49.44 ° C as well as -81.47 ° C and steaming points of 47.7 ° C as well as 60.2 ° C respectively. They are a little hazardous as well as pleasant odor. In case of moisture, sunlight and air, it will slowly decompose as well as launch hydrogen chloride. Soluble in alcohol, ether and also other natural solvents, insoluble in water. Compared with cis-1,2-dichloroethylene, trans-1,2-dichloroethylene is less toxic as well as has energetic chemical residential properties. It is mostly utilized in the sector as an extractant for heat-sensitive compounds or as a solvent for sure polymer materials as well as organic substances. Artificial basic materials.
Breathing in high doses of 1,2-dichloroethylene can cause queasiness, sleepiness, as well as exhaustion, while very high dosages can also cause death. When pets breathed in high dosages of trans-1,2-dichloroethylene for short or extended periods of time, their livers and lungs were harmed, with longer direct exposures having extra extreme effects. Breathing of extremely high doses of trans-1,2-dichloroethylene can also harm the hearts of animals. Consumption of extremely high doses of cis or trans 1,2-dichloroethylene can also trigger death. Lower concentrations of cis-1,2-dichloroethylene can affect the blood, such as reducing the number of red cell, as well as can additionally impact the liver.
- Trans-1,2-dichloroethylene can be used as an analytical referral criterion for figuring out analytes in water samples making use of gas chromatography (GC) based evaluation methods.
- Trans-1,2-dichloroethylene is made use of to prepare solvents and also chemical blends. It also functions as an artificial representative and also active ingredient for spices. Furthermore, it is additionally made use of for digital cleaning, precision cleaning, and also steel cleaning tasks.
- Compared with cis 1,2-dichloroethylene, trans 1,2-dichloroethylene has lower toxicity and active chemical properties. It is generally utilized in industry as an extractant for thermosensitive materials or as a solvent for certain polymer products and also as a basic material for natural synthesis. Solvents for fats, phenols, camphor, and so on. Dyes, seasonings, paint, polycarbonate. Degreasing agent.
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Application of Trans-1,2-Dichloroethylene
Trans-1,2-dichloroethylene has low toxicity and active chemical properties. It is mainly used in the industry as an extractant for heat-sensitive substances or a solvent for some polymer materials and as a raw material for organic synthesis. Its application examples are as follows:
Preparation of low greenhouse effect environmental protection cleaning agent
This environmentally friendly cleaning agent uses trans-1,2-dichloroethylene as the main component, which is the ultimate substitute for ozone-destroying substances. It is also a solvent-based azeotropic precision electronic cleaning agent with low greenhouse effect and compliance with the occupational disease prevention and control law. It belongs to the key technology products of clean production. This alternative application plan of environmental protection cleaning agent will try to realize at the current technical stage, on the premise of fully meeting the environmental protection policy of my country as a developing country and the more stringent regulations of developed countries, such as the REACH standard of the European Union and the ACGIH health requirements of the United States , Japan’s air pollution regulations, etc., to meet the requirements of green suppliers.
The beneficial effect of this patent application compared with the previous technology is to solve the flash point problem of using pure trans-1,2-dichloroethylene, which can be directly applied to existing cleaning equipment; Occupational disease prevention and control problems; solve the replacement of cleaning agents with high greenhouse effect GWP; can replace high-cost cleaning agents to achieve the purpose of reducing costs.
Preparation of pine caterpillar sex pheromone
Using 2-hexyn-1-alcohol as the starting material, the transfer of the triple bond position occurs under the action of lithium and propylenediamine to obtain 5-hexyn-1-alcohol; The reaction of dihydropyran yields THP-protected 1-THP-5-hexyn-1-ol on the hydroxyl group, which is coupled with trans-1,2-dichloroethylene under the co-catalysis of metal palladium and cuprous iodide The reaction generates conjugated enynes (7E)-1-THP-8-chloro-5-yne-7-ene-1-octanol;
(7E)-1-THP-8-Chloro-5-yne-7-ene-1-octanol is further coupled with bromobutane Grignard reagent under the catalysis of metal iron to obtain (7E)-1 -THP-5-alkyne-7-ene-1-dodecanol, which under the catalytic reduction of metal zinc gives (5Z, 7E)-1-THP-dodecadienol; (5Z, 7E)-1 -THP-dodecadienol removes the THP protecting group under the condition of camphorsulfonic acid to obtain the final target product (5Z, 7E)-dodecadienol; the synthetic raw material of the present invention is easy to get, the cost Inexpensive; mild reaction conditions, simple operation, high yield and good stereoselectivity.
Trans-1,2-Dichloroethylene Supplier and Manufacturer
As a trans-1,2-dichloroethylene supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best trans-1,2-dichloroethylene raw materials to customers all over the world.
Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.
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