Cryogenic Vials-2.0ml tubes Internal Thread Non-Barcoded 25/Bag, 500/PK, 1000/CS

● Made of medical grade polypropylene; can be repeatedly frozen and thawed● Multiple threads for super sealing performance● Thickened tube wall (explosion proof) and cap for safe sample storage● Black graduation printing and white writing area● DNase & RNase free, endotoxin-free, foreign DNA free● Working temperature: stable from -196°C to 121°C● Height:1.82in, Diameter: 0.49in● Suitable for liquid nitrogen freezing (gas phase)Warning:Do not use cryogenic vials in liquid phase of liquid nitrogen. Ideal for cryogenic sample storage in vapor phase of liquid nitrogen.