Registration Dossier
Registration Dossier
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EC number: 209-676-3 | CAS number: 590-28-3
Endpoint summary
Administrative data
Description of key information
Additional information
Potassium cyanate is hydrolyzed to ammonia and potassium bicarbonate under environmentally relevant conditions.
Based on the results of the preliminary test the hydrolysis rate of potassium cyanate was found to be 47 % at pH 9 after 5 days at 50 °C. Hydrolysis rates at pH 4 and pH 7 were approximately 100 %. From a water solubility study with the structural analogue sodium cyanate a DT50 of 13 d at 12 °C could be extrapolated. this value is used as worst case value in the risk assessment.
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