Ammonium cyanate

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(Chem.) a remarkable white crystalline substance, NH4.O.CN, which passes, on standing, to the organic compound, urea, CO.(NH2)2.

See also: Cyanate

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
One day in 1828, he heated up some ammonium cyanate expecting to liberate some cyanide.
Why did the original ammonium cyanate and the final urea weight the same?
He was simply heating ammonium cyanate, which was accepted as a definitely inorganic substance, when he found crystals forming that resembled those of urea, which was the chief manmalian waste product disposed of in urine (including human urine).
Both ammonium cyanate and urea have molecules composed of the same atoms (two nitrogen, four hydrogen, a carbon, and an oxygen) but differently arranged.