AMBERLITE® IRA-400 (CL) (CAS No. 9002-24-8) is a strong-base anion exchange resin widely applied in water treatment, chemical production and pharmaceutical manufacturing. It enables effective removal of contaminants from liquid media.
Formulated with a styrene-derived backbone and quaternary ammonium functional groups, this resin features strong basic properties. Physically, it exists as an off-white to pale yellow solid and is water-insoluble. For optimal stability, it shall be preserved under cool and dry storage conditions.

AMBERLITE(R) IRA-400 (CL) Chemical Properties
| English Name | AMBERLITE(R) IRA-400 (CL) |
| English Synonyms | AMBERLITE(R) IR 400;AMBERLITE(R) IRA400;AMBERLITE(R) IRA400 CHLORIDE FORM;AMBERLITE(R) IRA-400 (CL);AMBERLITE(TM), IRA-400;Anionexchangeresin,strongbasicquarternaryammonium(I)(201x7);LEWATIT O C-1026;Amberlite(R) IRA-420 ion-exchange resin |
| CAS Number | 9002-24-8 |
| Molecular Formula | (C12H18NCI)n |
| Water Solubility | Insoluble in water. |
| Merck | 14,382 |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| TSCA | Yes |
Product Application of AMBERLITE(R) IRA-400 (CL) CAS#9002-24-8
It finds extensive applications including water softening, high purity water preparation, radioactive element purification, iodine extraction from seaweed, antibiotic purification, and industrial wastewater treatment.







