Appearance:Colorless to pale yellow liquid
Properties:The relative density of 0.9711. Melting point is about 20 ℃. Boiling point of 220 ℃, 104 ℃ (1.33kPa). Refractive index 1.4640. Flash point 22 ℃.
Uses:Polymerization catalyst. Transesterification. Can paint, rubber, plastic adhesion to the metal up. 
Storage:Sealed in a cool dry place.