Abbrevation: BDDMA 
English name: 2-Propenoicacid, 2-methyl-, 1,4-butanediyl ester (9CI)
CAS: 2082-81-7 
Molecular formula: C₁₂H₁₈O₄
Applications:
This product is mainly used in plastic and rubber industries. It can be used as crosslinking agent of dental materials, emulsion copolymers, paper, rubber modifiers, adhesives, inks and optical polymers.
Specifications:
Purity: ≥99.0％(GC);
Acid value: ≤0.1％(as methacrylic acid);
Water content: ≤0.05％;
Color: ≤70(Pt-Co);
Polymerization inhibitor: 100±10 ppm MEHQ
Product data:
Boiling point: 132-134ºC(4MMHG)
Refractive index: 1.456
Flash point: 110ºC
Density: 1.023
Packaging, transportation and storage:
Packing: 200kg.
Sun protection, rain protection and high temperature protection should be used during transportation.
The product should be stored in a cool, dark, ventilated place, kept away from fire.
Shelf life is 6 months at temperature below 30°C.