Registration Dossier
Registration Dossier
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EC number: 203-615-4 | CAS number: 108-78-1
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
Melamine is a stable molecule that is hydrolyzed only by mineral acid or inorganic alkali. Hydrolysis proceeds stepwise, with loss of one, two, or all three amino groups, i.e. producing ammeline, ammelide and cyanuric acid. The product spectrum varies with temperature, pH, and concentration; the end product is cyanuric acid [108-80-5].
The rate constants at 100 °C are: k(s-1) = 3.80 x 10exp-5 [OH-] respectively k(s-1) = 1.25 x 10exp-4[H +].
Key value for chemical safety assessment
Additional information
A weight of evidence approach from the consistent statements in the 2 handbooks (Gmelin 1971 and Ullmann 2006) is applied.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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