2mL Polypropylene Cryogenic Vial, with 1D and 2D Barcodes, Corning®. Supplier: Corning. Description: These PP cryogenic vials with PP cap protect valuable cells, biological solutions, and aqueous solutions in ultra-low temperature storage. Certificates. ,75784-542CS,75784-538CS,75784-548CS,75784-540CS.