Product Description
Diethyl Maleate is a diethyl ester of maleic acid and colorless and transparent liquid. In addition, it is slightly soluble in water, easily soluble in ethanol and ether. Manufacturers and factories use it as an organic intermediate for the synthesis of malathion, also suppliers China supply it as a monomer for the synthesis of polymers.
| Chemical name | Diethyl Maleate, 97% |
| Synonyms | Diethyl (Z)-2-butenedioate, Ethyl maleate, Maleic acid diethyl ester, diethyl but-2-enedioate |
| Molecular formula | C8H12O4 |
| Molecular Weight | 172.18 |
| CAS No. | 141-05-9 |
| EINECS | 205-451-9 |
| Properties | Colorless and transparent liquid. Boiling point (℃,101.3kPa): 223, melting point -10℃, refractive index 1.4383 (25℃), flash point 93ºC. |
Specification
| Product name | diethyl maleate |
| Appearance | Colorless and transparent liquid |
| Content (GC), % ≥ | 97 |
| Trans content (GC), % ≤ | 3 |
| Chroma, (Pt-Co) ≤ | 20 |
| Acid value (mgKOH/g) ≤ | 0.1 |
| Moisture, % ≤ 0.1 | 0.1 |
| Density (20℃), g/cm3 | 1.065±0.003 |
Characteristics of Diethyl Maleate
| Boiling point | (℃,101.3kPa):223 |
| Density | (25/4℃), g/cm3 1.0662 |
| Flash point | 93℃ |
| Solubility | Miscible with a variety of organic solvents, partially soluble in benzene and chloroform. It dissolves 1.4% in water at 30℃; water dissolves 1.9% in diethyl maleate. It forms an azeotropic mixture with 88.2% water, with an azeotropic point of 99.65°C. |
| Refractive index | 1.4383 (25℃) |
Application & Advantages
It is a polymer compound monomer and an intermediate for pesticides, medicines, spices. Also it is for water quality stabilizers (organic polycarboxylic acid phosphonic acid compounds). Mainly used in the production of organophosphorus pesticide malathion (marathion). Used as polymer monomer and plasticizer for synthetic resin. Also used as pesticides, fungicides, anti-rust additives, etc.
Packaging / Storage / Transport of Diethyl Maleate
Firstly, packed in 200L drum, net weight 200kg / drum. Secondly, stable under normal temperature and pressure. Thirdly, incompatible materials: oxidizing agents, reducing agents, acids, alkalis. Can burn, please pay attention to fire source when using and storing. Furthermore, prevent inhalation of vapors and avoid contact with skin.
Category: Maleates
Hot Tags: manufacturers, suppliers China, factory, maleic acid diethyl ester, Comonomer, Diethyl Ester, Pesticide
Related Links: Dimethyl Maleate, 【Diethyl Fumarate】CAS No 623-91-6 Also known as Fumaric acid diethyl ester, Home, CAS No 77 94 1, Dimethyl Adipate, Diethyl Phthalate
