Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
Learn More
Sigma Aldrich Fine Chemicals Biosciences Inhibitor removers Prepack
Supplier: Sigma Aldrich Fine Chemicals Biosciences 306312
Inhibitor-remover packings and ready-to-use, disposable prepacked columns conveniently remove small amounts of inhibitors which are added to reagents or solvents that would otherwise be unstable. R 20-37 S 22-38-36. Useful in applications which require that the stabilizer or inhibitor (hydroquinone (HQ), hydro-quinone monomethyl ether (MEHQ, 4-methoxyphenol), or 4-tert-butylcatechol (TBC) be removed prior to use. . Columns may be discarded1 when exhausted or reused by filling column approximately 3/4 full with new packing material. HQ/MEHQ columns refill vol. ~21g. TBC column refill vol.~30g.. Approx. column capacityHQ/MEHQ 3L at 100ppmTBC 4L at 15ppm. TBC columns and packings are not recommended for use with polar solvents, including acrylic acid. Vacuum distillation is suggested for such applications.Easy-to-use1. Prewashing of prepacked glass columns with a small amount of monomer is recommended.2. Add monomer (or solvent) to an addition funnel which is secured above column.3. Add m
Description
Product Title
By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.
Spot an opportunity for improvement?