Cryogenic Barcode Labels – 2.25″ x 1.25″ #JTTA-231

$76.20 usd



NitroTAG® – Cryo Barcode Labels for Liquid Nitrogen Storage

Size: 2.25″ x 1.25″ / 57.2mm x 31.8mm

Label across: 1

Colors: White or Green Apple

Labels/roll: 1,000 or 2,000

Core: 1″ or 3″ / 25mm or 76mm

Perforation: Yes

Adhesive: Max strength extra permanent

Temperature range:  From -196°C to +110°C

Recommended Ribbons:  RR-Class Smudge and Alcohol Proof Resin Ribbons

Cryogenic dot labels for the identification of small diameter vial and tube caps, as well as cardboard and polypropylene freezer boxes. Designed for long-term preservation under ultra-low temperature laboratory conditions, in freezers (-80°C/-112°F), liquid and vapor phase liquid nitrogen (-196°C / -320.8°F), and for dry ice transportation. These water-proof labels will adhere to wet surfaces and can withstand spraying and swabbing with alcohols, such as ethanol and isopropanol. Labels can be printed with all common thermal-transfer printer brands.


  • Resistant to storage in laboratory freezers and cryogenic conditions
  • Require zero cure time, can be stored in ultra-low temperature conditions immediately after application
  • Adhere to wet and moist surfaces
  • Labels are resistant to spraying and swabbing with alcohol and surface sanitizing wipes
  • Resistant to gamma irradiation (tested to up to 50kGy)


Core Size

1", 3"

25.4 mm, 76.2 mm

Qty / UOM

1000, 2000


Green Apple, White

Special Features Thermal Labels
Adhesive Permanent
Brand Name NitroTAG®
Surface Cryoboxes
Printing Method Thermal-Transfer


57.2 mm



31.8 mm

Printable Width


Printable Height


Labels Across







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Frequently Asked Questions

Yes, NitroTAG® labels are thermal-transfer printable and require a ribbon to be printed. To achieve the proper printout, NitroTAG labels require a RR-class ribbon of the same width or larger.

No, NitroTAG labels are best applied at room temperature. For labeling already frozen vials and tubes, we recommend CryoSTUCK® labels, a line of cryogenic labels especially designed for that purpose.

Please consult our handy sizing guide where you will find recommendations for the most common vial/tube sizes.

No, NitroTAG labels are meant to be printed using a thermal-transfer printer with a ribbon. Find our selection of thermal-transfer printers here. You can also consult our printer buying guide or contact our technical support team who will be glad to help you find the right one.

Barcoding or label design software can be used to create templates that conform to the size of your label. You can then insert design elements within the template, for easy printing.

Yes, we can provide our NitroTAG cryo labels preprinted with full-color graphics and logos, as well as variable or serialized information from a database. Learn more about our custom printing options.

No, NitroTAG labels are coated with a permanent adhesive, that is not made for easy removal. For removable cryogenic solutions see here.