Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 07 Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms 39 07 21 -- Bis(polyoxyethylene) methylphosphonate Commodity Code Description 39 07 21 00 -- Bis(polyoxyethylene) methylphosphonate