Sodium Dichloroisocyanurate (chem. short NaDCC; SDIC) is a widely-used high-power disinfector, advantageous for its low-toxicity and as an alternative to traditional disinfectors, such as sodium and calcium hypochlorite. Chemical-wise, it is the sodium salt of a chlorinated hydroxytriazine that is used as a source of free available chlorine for disinfection purposes.
The most common and well-known application areas of SDIC are drinking-water disinfection and commercial or household water treatment. Apart from being an efficient algaecide, bactericide, and disinfectant for swimming pools, and extremely helpful as a sanitizing agent, water softener, and lime remover in drinking-water applications, SDIC is widely used as a stable source of chlorine in a variety of applications. Commercial applications of SDIC include food, textile, detergents, agrochemical, and pesticide industries.
In the food industry, SDIC acts as a disinfectant and can be applied in food-associated use, mostly to raw vegetables and plants. Some studies show that it helps to “reduce microbial numbers, retard enzymatic activity and improve shelf‐life of sensory quality”; at the same time, SDI gives “an acid pH in solution and has significantly higher activity than sodium hypochlorite”. It is not only useful with the foodstuff, but with the means of food storage or consumption as well: food packaging, paper plates, cutlery, or small appliances are well-protected after proper SDI treatment due to its antibacterial activity.
In the food industry, SDIC acts as a disinfectant and can be applied in food-associated use, mostly to raw vegetables and plants. Some studies show that it helps to “reduce microbial numbers, retard enzymatic activity and improve shelf‐life of sensory quality”; at the same time, SDI gives “an acid pH in solution and has significantly higher activity than sodium hypochlorite”. It is not only useful with the foodstuff, but with the means of food storage or consumption as well: food packaging, paper plates, cutlery, or small appliances are well-protected after proper SDI treatment due to its antibacterial activity.
SDI is also one of the active ingredients in the bleaching agents for textiles and household dry bleaches applications. As a component of chlorine-containing compounds for contaminated surfaces, equipment and linen it is considered to be safer and more effective than sodium hypochlorite solution and other similar compounds. Due to its sanitizing abilities, SDI is used in various detergents (like soaps, de-greasers, spot removers, etc) as well.
There are other applications related to machinery manufacturing, agriculture, and pesticides, that can be found in this summary table:
| Industry | Applications |
| Swimming pools, | Bactericide, disinfectant, sanitizing agent. water softener |
| Drinking water | Bactericide, disinfectant, sanitizing agents. Includes water softeners, lime removers, and the products used in the process of the collection, purification, and distribution of water |
| Food processing plant | Disinfectant, fungicide, microbiocide |
| Food contact | Includes food packaging, paper plates, cutlery, small appliances such as roasters, etc.; does not include facilities that manufacture food |
| Bleaching / textile industry | General bleaching agents, bleaching agents for textiles, Active ingredient in household dry bleaches |
| Cleaning washing | Related to all forms of cleaning/washing, including cleaning products used in the home, laundry detergents, soaps, de-greasers, spot removers, etc; modifiers included when specific information is known, such as dry-cleaning, laundry, soap, window/floor, etc. Active ingredient in dishwashing compounds, scouring powders; detergent sanitizers, commercial laundry; bleaches |
| Cleaning washing, machines | Manufacturing of or related to machinery, for production of cement or food, air/spacescraft machinery, electrical machinery, etc |
| Manufacturing, agrochemical | Agricultural chemicals used on a variety of crops |
| Pesticide, antimicrobial | Active ingredients in a product (often active ingredients in pesticide) |
Source: PubChem
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