Table 1 Some properties of BC-400 plastic scintillator and the comparison to water (At STP).

From: High spatial resolution scintillator dosimetry of synchrotron microbeams

Quantity BC-400 Water
Density (g/cm3) 1.023 0.998
Electron density (e/cm3) 3.37 × 1023 3.33 × 1023
Composition Polyvinyltoluene [CH2CH(C6H4CH3)]n H2O
  1. Scintillator data from Saint-Gobain Crystals27.