Diethyl maleate(DEM)
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Diethyl maleate
| Molecular Formula: | C8H12O4 |
| Molecular Weight: | 172.18 |
| CAS Number: | 141-05-9 |
| Catalog Number: | 141-05-9 |
| Product Information | |
|---|---|
| Molecular Formula: | C8H12O4 |
| Molecular Weight: | 172.18 |
| Description | Diethylmaleate, a glutathione-depleting compound, is the diethyl ester of maleic acid and inhibits NF-κB. It is used as a reagent in the synthesis of several organic compounds including that of polyaspartic acid ester based polyurea coatings. |
| Synonyms | diethyl (Z)-but-2-enedioate |
| IUPAC Name | diethyl (Z)-but-2-enedioate |
| Canonical SMILES | CCOC(=O)C=CC(=O)OCC |
| InChI | InChI=1S/C8H12O4/c1-3-11-7(9)5-6-8(10)12-4-2/h5-6H,3-4H2,1-2H3/b6-5- |
| InChI Key | IEPRKVQEAMIZSS-WAYWQWQTSA-N |
| Boiling Point | 223 °C |
| Melting Point | -8.8 °C |
| Flash Point | 107 °C |
| Purity | 99.07 % |
| Density | 1.0690 g/cm³ |
| Solubility | 1.40E+04 mg/L at 30 °C (exp) |
| Appearance | Colourless liquid |
| Application | Used in organic synthesis and as a flavoring agent. |
| Storage | Store in a cool and dry place (or refer to the Certificate of Analysis). |
| Refractive Index | 1.44 |
| LogP | 0.66880 |
20,000 Tons Per Year Diethyl Maleate Production
Feiyang has established a diethyl maleate production capacity of 20,000 tons per year, fully operational since early 2024. The new facility adopts Feiyang’s proprietary continuous production technology, protected by independent intellectual property rights. Compared with traditional batch processes, it delivers higher efficiency, stable quality, and outstanding energy-saving and environmental performance.
With ample supply capacity, Feiyang provides factory-direct pricing and ensures reliable exports to more than 30 countries and 200 companies worldwide—offering partners fast delivery, consistent quality, and competitive value in every shipment.
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About Frontsea Novelchem
Feiyang Frontsea Novelchem was established in July 2015 and is affiliated with Feiyang Group. It is a wholly owned subsidiary of Shenzhen Feiyang Protech Corp., Ltd. and is recognized as a key high-tech enterprise under China’s National Torch Program.
The company specializes in the R&D and production of high-tech materials and fine chemicals. Its main products include green and environmentally friendly medium- and high-boiling-point solvents, alcohol ether solvents, allyl ether additives and other specialty chemicals. These products are widely used in paints, printing inks, electronics, detergents, rubber, pharmaceuticals, pesticides, and textile dyeing and finishing, among other fields.