Dibutyl Maleate (DBM)
【Chemical Name】 Dibutyl Maleate (DBM)
【Other Name】 Maleic acid dibutyl ester; Dibutyl (Z)-but-2-enedioate
【CAS No.】 105-76-0
【Molecular Formula】 C12H20O4
【Molecular Weight】 228.29 g/mol
【Product properties】 Colorless, transparent oily liquid. Freezing point: -65°C to -80°C. Boiling point: 280.6°C. Flash point: 140.5°C. Density (20°C): 0.9964 g/cm³. Viscosity: 8 cP (20°C). Refractive index: 1.444 (25°C). Soluble in organic solvents; insoluble in water.
【Storage】 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】 Iron drum, net weight 200 kg per drum.
【Application of Dibutyl Maleate (DBM)】 Used as an internal plasticizer; can be copolymerized with monomers such as vinyl chloride, vinyl acetate, and styrene. These copolymers are widely used in coatings, films, adhesives, rubbers, and pigment fixing agents. When used in PVC products, it imparts softness, clarity, and high transparency.
【Product Specification of Dibutyl Maleate (DBM)】Content (GC): ≥97.0%; Colority (Pt-Co): ≤20; Acid value: ≤0.15 mgKOH/g; Density (20°C): 0.995 ± 0.002 g/cm³; Trans content (GC): ≤2.0%; Flash point: ≥130°C.
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