These cryogenic vials are manufactured from polypropylene to withstand temperatures to 196C (320.8F)
All vials except 66021-920 can be color-coded with cap inserts, which are sold separately
Vials have a large marking spot for easy labeling of contents
Do not use cryogenic vials for storage in the liquid phase of liquid nitrogen
Round Bottom
Self-standing
External threading with silicone washer and cap
All self-standing vials have a special base design allowing them to be locked into a cryogenic rack and tray (see 22250-112) for single-handed manipulation