The concentration is 63%. Divinylbenzene is toxic. DVB (divinylbenzene) is the abbreviation of divinylbenzene. Colorless liquid, easy to polymerize. Pale yellow liquid. The solution concentration of divinylbenzene is 63%. Refers to the concentration expressed by the number of moles of solute contained in 1 liter solution. The quantity (number of moles) of solute in unit volume is used to represent the physical quantity of solution composition, which is called the molar concentration of solute.