Optimal cutting temperature compound

Optimal cutting temperature compound (OCT compound) is used to embed tissue samples prior to frozen sectioning on a microtome-cryostat. This process is undertaken so as to mount slices (sections) of a sample onto slides for analysis.

Components
As stated on the bottle:
 * 10.24% polyvinyl alcohol
 * 4.26% polyethylene glycol
 * 85.5% non-reactive ingredients"