CAS 9049-93-8
:Amberlyst A 21
Description:
Amberlyst A 21 is a strong acid cation exchange resin, primarily composed of polystyrene cross-linked with divinylbenzene. It is characterized by its ability to exchange cations in aqueous solutions, making it useful in various applications such as water treatment, catalysis, and ion exchange processes. The resin typically exhibits high thermal stability and excellent mechanical strength, allowing it to maintain performance under varying conditions. Amberlyst A 21 has a high capacity for hydrogen ions, which enhances its effectiveness in acid-catalyzed reactions. Its particle size and surface area contribute to its efficiency in ion exchange, while its chemical stability ensures longevity in applications. This resin is often utilized in the production of pharmaceuticals, food processing, and in the petrochemical industry for processes like alkylation and esterification. Overall, Amberlyst A 21 is valued for its versatility and effectiveness in facilitating chemical reactions and purifying solutions.
Formula:Unspecified
Synonyms:- Amberlyst A-21
- amberlyst A-21 ion-exchange resin
- Amberlyst(rg A-21
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Amberlyst™ A-21, ion exchange resin
CAS:<p>Amberlyst A-21, ion exchange resin is used as a heterogeneous catalyst for conversion of carbonyl compounds to oximes by reacting with hydroxylamine hydrochloride. It is an effective catalyst for the Michael addition of nitroalkanes to methyl acrylate. This Thermo Scientific Chemicals brand product</p>Color and Shape:Beads
