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13340-U Supelco

Dowex® Monosphere® 650C UPW hydrogen form

bucket of 1000 g



Related Categories Analytical/Chromatography, Cation Exchange Media, Dowex Strong Cation Exchangers, Resins & LC Separation Media, Resins and Media More...
quality   purified 650C
packaging   bucket of 1000 g
parameter   150 °C max. temp.
cross-linkage   8%
moisture   46-51%
matrix   styrene divinylbenzene (gel)
matrix active group   sulfonic acid functional group
particle size   21-25 mesh
  600-700 μm std dev
operating pH   0 - 14
capacity   2.0 meq/mL by wetted bed volume



Strongly acidic cation exchange resin capable of demineralization for ultrapure water; meets requirements of FDA Food Additive Regulation 21 CFR 173.25.

Dowex Monosphere 650C UPW hydrogen form packed column was used in flow based ammonia gas analyzer.

General description

Dowex Monosphere 650C is a strong basic cation exchange gel resin with sulfonic acid as functional group. Esterification of acetic acid with propyl alcohol over heterogeneous catalyst, Dowex Monosphere 650C, has been reported.

Physical properties

Color: light to yellow brown
Odor: none to slight
Appearance: translucent to opaque fine solid bead

Legal Information

DOWEX is a registered trademark of The Dow Chemical Company or an affiliated company of Dow

Monosphere is a registered trademark of The Dow Chemical Company or an affiliated company of Dow

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


Selection Guide for Polymeric Resins in Chromatography & Purification

Sigma-Aldrich carries a vast array of resins, from leading manufacturers; such as, Dow Chemical, Rohm & Haas, Mitsubishi, and Lanxess. Our product line includes adsorbent, ion-exchange (anion / catio...
Keywords: Adsorption, Antibiotics, Detergents, Fermentation, Filtration, Hormones, Ion Exchange, Pharmaceutical, Purification, Separation

Peer-Reviewed Papers


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