IMPORTANT UPDATE - Series E nD=1.550 can spontaneously polymerize, causing the liquid to look cloudy and eventually this will cause the liquid to begin gelling.  This process is irreversible, but it can be prevented/slowed by storing the liquid at temperatures between 4 - 6oC.  If the liquid freezes it must be allowed to thaw at [...]

Cargille are in the process of changing the labels on Series E RI 1.550 bottles to show the correct storage requirements. – please disregard the existing storage information on these bottles.