Dimethyl Maleate (DMM)

Dimethyl Maleate (DMM)

【Chemical Name】 Dimethyl Maleate (DMM)

【Other Name】 Maleic acid dimethyl ester; (Z)-Butenedioic acid dimethyl ester

【CAS No.】 624-48-6

【Molecular Formula】 C6H8O4

【Molecular Weight】 144.13 g/mol

【Product properties】 Colorless liquid. Melting point: -19°C. Boiling point: 204-205°C (lit.). Density: 1.152 g/mL at 25°C. Refractive index: n20/D 1.441 (lit.). Flash point: 196°F (91°C). Solubility: 77.9 g/L in water at 20°C.

【Storage of Dimethyl Maleate】 Store in a cool, dry, well-ventilated area. Keep container tightly sealed, away from heat, sparks, and direct sunlight. Protect from moisture and oxidizing agents.

【Packing】 Plastic drum or galvanized drum, net weight 200 kg per drum.

【Application 】 Dimethyl Maleate used as an internal plasticizer; can be copolymerized with monomers such as vinyl chloride, vinyl acetate, and styrene. Also serves as an organic intermediate for synthesizing UV-resistant products and other specialty chemicals.

【Product Specification of Dimethyl Maleate (DMM)】

Colority (Pt-Co): ≤20;

Acid value: ≤0.10 mgKOH/g;

Density (20°C): 1.152 ± 0.003 g/cm³;

Ester content: ≥99.0%;

Water content: ≤0.10%.

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