Description Collodion Item no. COL Type - FlexiblePurity USP/NF UN No. UN2059 Dot Designate Flammable Liquid Storage Information - Store in cool place not over 30 Deg C. Other Name Nitrocellulose Pyroxylene Highly flammable substance. Must be shipped via UPS Ground, or FedEx HazMat (very expensive) no shipments to PO Boxes. Additional fees will apply for any expedited or international shipments. Call for a price quote.