These disposable vials are manufactured from polypropylene to withstand temperatures to -196°C. External threads. Black graduations and larger marking spots for easier filling and sample identification. Silicone washer for a secure seal. Vials may be color-coded with inserts (see Cat. No. 83-430499). Sterilized by gamma radiation. Certified nonpyrogenic and DNase/RNase-free. Available in 1.2mL capacity with conical bottom, or 2, 4, or 5mL capacities with round bottoms. Special base design on self-standing models allows vials to be locked into cryogenic rack and tray (Cat. Nos. 83-430525 or 83-431131) for single-handed manipulation.
Warning: Do not use cryogenic vials for storage in the liquid phase of liquid nitrogen. Only store vials in the vapor phase above the liquified gas. Appropriate safety equipment (gloves, face shields, biological safety cabinets, hoods, etc.) should always be used to protect personnel when removing vials or ampules from cryogenic storage systems.