C1187
Synonym(s):
vial cap inserts, vial identifier
polystyrene
Nalgene®
white
Looking for similar products? Visit Product Comparison Guide
Choose from one of the most recent versions:
It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.
If you need assistance, please contact Customer Support.
Find documentation for the products that you have recently purchased in the Document Library.
These color coders are made of polystyrene which is very brittle and not suitable for liquid nitrogen storage. A possible alternative would be the Corning cap inserts for cryogenic storage, such as product CLS2015. These inserts are made of polypropylene and are suitable for vapor phase storage.
Please see the link below to review an example of the Corning product options:
https://www.sigmaaldrich.com/product/sigma/cls2015
Helpful?
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service
Research. Development. Production.
We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.
© 2025 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.
Reproduction of any materials from the site is strictly forbidden without permission.
