Cyamelide is an amorphous white solid with the approximate formula (HNCO)x. It is the product of the polymerisation of cyanic acid together with its cyclic trimer cyanuric acid. It is a porcelain-like white substance which is insoluble in water.
References
- G. Fischer; J. Geith; T. M. Klapötke; B. Krumm (2002). "Synthesis, Properties and Dimerization Study of Isocyanic Acid" (PDF). Z. Naturforsch. 57b (1): 19–25.
- Hantzsch A (1905). "Concerning cyamelide". Berichte der Deutschen Chemischen Gesellschaft: 1013–1021.