Sodium dichloroisocyanurate

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IUPACName = sodium 3,5-dichloro-2,4,6-trioxo-1,3,5-triazinan-1-ide
OtherNames = Sodium dichloroisocyanurate
Section1 = Chembox Identifiers
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CASNo = 2893-78-9
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SMILES = O=C( [N-] C(N1Cl)=O)N(Cl)C1=O. [Na+]
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RTECS = XZ1900000
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Formula = C₃Cl₂N₃NaO₃
MolarMass = 219.95
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Density = 0.7 g/cm³ (as granules)
MeltingPt = 225 °C
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Solubility = 25 g/100 ml
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Sodium dichloroisocyanurate is a stable source of chlorine used as a disinfectant, biocide, industrial deodorant and detergent. In small doses it is found in water purification tablets/filters. It is more efficient than formerly used halazone water disinfectant.

Chemistry

It is the sodium salt of dichloroisocyanuric acid. Products containing sodium dichloroisocyanurate may also contain cyanuric acid. It is white in colour, and appears as crystalised granules, powder or tablets. It is a heterocyclic ring compound which is a derivative of triazine.

It is reactive with water, urea, ammonia, reducing agents and strong bases. Reaction produces toxic fumes including chlorine gas.

It is also known as Sodium Dichloro-s-Triazinetrione.

afety

Ventilation exhausts or appropriate breathing apparati should be installed wherever this chemical is handled. Protective gloves and clothing should also be worn. Exposure symptoms are coughing, sore throat, redness on skin or around eyes, burns, pain and/or loss of vision. Repeated or prolonged exposure can cause dermatitis. Indigestion should be treated with rest, water to rinse out the mouth and medical attention. Vomiting should not be induced. In firefighting, drums and containers may be cooled with water spray on condition that the substance does not come into contact with water. Spills should not be washed into any public sewage system.

References