Diethyl maleate(DEM) for pesticides,flavours and fragrances


CAS No.141-05-9
Molecular Formula: C₈H₁₂O₄
Molecular Weight:172.18

 Physical & Chemical Properties
1.Density:1.06
2.Melting point:-10ºC
3.Boiling point: 225ºC
4.Refractive lndex: 1.438-1.442
5.Solubility: not dissolved by water, could be dissolved by alcohol and ether
6.Flash point:93ºC

Quality Parameter
1.Apearance: Clear colourless liquid 
2.Purity: 98.0% min (GC)
3.Moisture: 0.1% max
4.Acid value(mgKOH/g): 0.10 max

Packaging: 200kg per barrel

USES: It can be used as an intermediate of pesticide, used in the preparation of malathion, an organophosphorus pesticide, and also used in the production of spices

 

Company profile

Weifang DEMETER Chemical Co., Ltd. is a scientific type chemical enterprise specialized in research, production and sale. It has a group of senior and middle level technical person. And they have powerful research and innovation capacity. Through years' efforts, we have established standard production base in Binhai Industrial Park of Weifang City. In order to serve wide customers, we set sales department in downtown Weifang.

Our company is mainly engaged in manufacturing and sale of environmental friendly plasticizer and high-end solvent. Main products are citrate series, adipate series, polyethylene Terephthalate series, and so on, with annual production capacity of 80,000 tons. In addition, our company has complete production, and testing instrument, and strict management system.

All our products have reached domestic leading level. Based on superior product and reasonable price, our products are welcomed dometstic and abroad. They have been exported to Canada, Brail, America, European Union, South Korea and Northeast Asia.

Insisting on operation tenet of "good faith and quality first", we do our best to provide best products and whole-hearted service. We actively cooperate with research institutes and transnational corporation, in order to realize constant innovation. 

FAQ: 
1. How many people in your company? 
100-300
2. Are you certified by ISO and SGS?
YES
3. How about your production ability: 
20000-30000 MT/ year
4. Can you offer sample? 
Yes, we would like to offer the sample for free under 500g
5. Are you a trading company or a factory: 
We are a manufacturer and we have our own export license. 


Contact details: