De-Chlorination Chemical

Most public water suppliers use chlorine or chloramines to disinfect water. Chlorine is generally added as a gas or liquid to produce free chlorine residuals that helps in eliminating harmful microorganisms from the water. But chlorine and its related compounds have oxidizing properties that can have harmful effects on medical and industrial procedures or processes. These compounds can also cause stress cracks in stainless steel, alter and damage active pharmaceutical agents, or lead to undesirable by-products. Thus, it is very important to remove chlorine and/ or chloramines.

Chemical mechanisms prevent a bacterial breeding ground from being introduced upstream on the rest of the water treatment system. However, downstream treatments such as de-ionizers may become burdened by certain ions such as chlorides, sodium, sulphates, etc.) that are introduced or produced through chemical reduction.

RO De-Chlorination Chemical serves for RO feed water. It is generally a concentrated liquid for the purpose of elimination of residual chlorine prior to the RO membrane system. It provides protection to polyamide membranes (TFC membrane) against degradation to oxidation by excess chlorine present in RO feed water.

Key Features and Benefits

  • Protects aquatic life from toxic effects of residual chlorine
  • Prevents formation of harmful chlorinated compounds in drinking water through reaction of residual chlorine with waterborne organic materials

Brand Names

Sodium Metabisulphite (SMBS)

NaHSO3; CAS No. 7681-57-4

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Handling Measures
and Precautions

Proper human safety products such as splash goggles, lab coat, vapor respirator, NIOSH approved gloves and boots should be worn while handling and applying chemicals. Splashes on the skin should be washed off with water immediately. In case of splashing into the eyes, flush them with freshwater and obtain medical attention. Should not be injected.


Should be stored in original containers away from heat, direct sunlight. Store in a cool dry place. Please refer label and SDS for details.