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44290 Sigma-Aldrich

Dowex® 1X2 chloride form

chloride form, 50-100 mesh



Related Categories Analytical/Chromatography, Anion Exchange Media, Dowex Strong Anion Exchangers, Resins & LC Separation Media, Resins and Media More...
description   strongly basic
limit   66 °C max. temp.
  99 °C max. temp.
cross-linkage   2%
moisture   65-75%
loss   ~70% loss on drying, 110 °C
matrix   styrene-divinylbenzene (gel)
matrix active group   trimethylbenzylammonium functional group
particle size   50-100 mesh
operating pH   0 - 14
capacity   0.7 meq/mL by wetted bed volume


Frequently Asked Questions

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Strongly basic (type I) anion exchange resin for food & drug processing; meets requirements of FDA Food Additive Regulation 21 CFR 173.25

Dowex® 1X2 chloride form is a strongly basic (type I) anion exchange resin for food & drug processing. Dowex® 1X2 has been used to characterize a dual emission sensing luminescence material for water-dissolved oxygen sensing. Dowex® has also been used to demonstrate decontamination of (99g) Tc from spent 99Mo waste solution and recovery of (99g)Tc for research use.


1 ft3 in fiber drum

100, 500 g in poly bottle

2.5 kg in poly bottle

Legal Information

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

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Suggested Laboratory Gloves

Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.

Amicon Pro Purification System
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

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

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