Title: Cyamelide

CAS Registry Number: 462-02-2

CAS Name: 1,3,5-Trioxane-2,4,6-triimine

Additional Names: insoluble cyanuric acid

Molecular Formula: C3H3N3O3

Molecular Weight: 129.07

Percent Composition: C 27.92%, H 2.34%, N 32.56%, O 37.19%

Literature References: Formed by polymerization of cyanic acid (gaseous or liquid). Prepd by digesting equal parts of potassium cyanate and oxalic acid: Liebig, Wöhler, Berzelius Jahresber. 11, 85. Crude cyamelide contains cyanuric acid which is removed by washing with water: Senier, Walsh, J. Chem. Soc. 81, 290 (1902). Mechanism of polymerization: Werner, Fearon, ibid. 117, 1358 (1920).

Properties: White amorphous powder. Practically insol in water. Insol in organic solvents. Slightly sol in ammonia water, in concd acids, in concd NaOH with salt formation.