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.

Cyamelide
Names
IUPAC name
1,3,5-Trioxane-2,4,6-triimine
Other names
Cyamelide, insoluble cyanuric acid
Identifiers
ChEBI
ChemSpider
240323
UNII
Properties
C3H3N3O3
Molar mass 129.075 g·mol−1
Appearance White solid
Density 2.08 g/cm3
Low
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References

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  • 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.