Cyanic acid is a colorless toxic liquid with a boiling point of 23.5°C and a melting point of -81°C. At 0°C, cyanic acid converts to cyanide. In water, cyanic acid hydrolyzes to carbon dioxide and ammonia. Cyanic acid (H-O-C≡N) is an isomer of fulminate (H-C=N-O).

Cyanic acid is a colorless toxic liquid with a boiling point of 23.5°C and a melting point of -81°C. At 0°C, cyanic acid converts to cyanide.

In water, cyanic acid hydrolyzes to carbon dioxide and ammonia.

Cyanic acid (H-O-C≡N) is an isomer of fulminate (H-C=N-O).

There are tautomers of cyanic acid, H-N=C=O, isocyanic acid.

It is formed in the reaction between potassium cyanate and formic acid.

The trimer of cyanic acid is cyanuric acid.

Cyanic acid is a single-carbon compound and a pseudohalogen oxyacid. It is the conjugate acid of cyanate. It is a tautomer of isocyanic acid.

Cyanic acid is a natural product found in Homo sapiens for which data are available.

Cyanic acid is the simplest stable compound, containing carbon, hydrogen, nitrogen, and oxygen, the four most common atoms in organic chemistry (fulmic acid is unstable).

Cyanic acid readily forms trimers (cyanuric acid) or higher oligomers such as pentacyanic acid.