Product Description
Diethyl Maleate, a diethyl ester of maleic acid, is a colorless and transparent liquid. It is slightly soluble in water but easily dissolves in ethanol and ether. As a trusted manufacturer of diethyl maleate, we provide this product for a variety of uses, including as an intermediate in the synthesis of pesticides like malathion and as a monomer for polymer synthesis. It also serves as a maleate ester in numerous chemical processes.
- 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 g/mol
- CAS No.: 141-05-9
- EINECS: 205-451-9
Properties of Diethyl Maleate
- Boiling Point: 223°C (at 101.3 kPa)
- Melting Point: -10°C
- Refractive Index: 1.4383 (25°C)
- Flash Point: 93°C
- Density (20°C): 1.065 g/cm³
Specifications
| Property | Specification |
|---|---|
| Appearance | Colorless and transparent liquid |
| Content (GC), % ≥ | 97 |
| Trans Content (GC), % ≤ | 3 |
| Chroma (Pt-Co) ≤ | 20 |
| Acid Value (mg KOH/g) ≤ | 0.1 |
| Moisture, % ≤ | 0.1 |
| Density (20°C), g/cm³ | 1.065 ± 0.003 |
Characteristics of Diethyl Maleate
- Boiling Point: 223°C (at 101.3 kPa)
- Density: 1.0662 g/cm³ (25/4°C)
- Flash Point: 93°C
- Solubility: Miscible with many organic solvents, including ethanol and ether. Partially soluble in benzene and chloroform. At 30°C, it dissolves 1.4% in water, while water dissolves 1.9% in the ester. It also forms an azeotropic mixture with water.
- Refractive Index: 1.4383 (25°C)
Applications & Advantages
Diethyl Maleate is a versatile chemical widely used as a monomer in polymer production and as a maleate ester in various chemical reactions.
- Uses of Diethyl Maleate in Chemical Synthesis: It is an essential intermediate for producing organophosphorus pesticide malathion.
- Benefits of Diethyl Maleate as a Solvent: Known for its excellent solubility and high boiling point, it is favored in chemical applications.
- Applications of Diethyl Maleate in Coatings and Adhesives: Utilized in high-performance coatings and adhesives due to its non-toxic nature.
- Other Uses: Acts as a fungicide, rust-prevention additive, and in the synthesis of pharmaceuticals and fragrances.
This eco-friendly maleate ester is essential for various industries, providing reliable performance in demanding applications.
Packaging / Storage / Transport
- Packaging: Available in 200L drums with a net weight of 200kg per drum.
- Storage: Store in a cool, dry, and ventilated area. Ensure containers are tightly sealed to prevent oxidation and contamination.
- Safety: Avoid contact with strong oxidizing agents, reducing agents, acids, and alkalis. Handle with care to prevent skin contact and inhalation of vapors. Safety precautions are necessary when working with open flames or heat sources due to the flammability.
Why Choose Us as Your Diethyl Maleate Supplier?
As a leading manufacturer of diethyl maleate, we offer top-quality maleate ester products tailored to meet your chemical manufacturing needs. With an extensive distribution network and a reputation for reliability, we ensure timely delivery and competitive pricing for all our clients.
Category: Maleates
Hot Tags: Manufacturer, 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
