isocyanic acid


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to isocyanic acid: melamine, HCN

i·so·cy·an·ic acid

 (ī′-sō-sī-ăn′ĭk)
n.
A caustic and reactive organic acid, HNCO, mainly occurring and used in its ester or salt forms or as its tautomer, cyanic acid, which it forms in aqueous solution. Isocyanic acid is an intermediate in the production of urethanes and has been detected in some comets.

isocyanic acid

(ˌaɪsəʊsaɪˈænɪk)
n
(Elements & Compounds) a hypothetical acid known only in the form of its compounds. Formula: HNCO
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isocyanic acid - an acid known only in the form of its esters
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
References in periodicals archive ?
Thus, it appears that TMP, an acid species, can help push the cyanic acid form to isomerize to the isocyanic acid form, as proposed in Equation 6.
Subsequently, the generation of ammonia from urea starts and generally occurs over two reactions: the thermolysis of urea and the hydrolysis of isocyanic acid [16].
Setser, "The fluorine atom + isocyanic acid reaction system: a flow reactor source for isocyanate radical(~X2.PI.) and nitrogen monofluoride(X3.SIGMA.-)," The Journal of Physical Chemistry C, vol.
Carbamylation occurs in the covalent binding of isocyanic acid to a-amino groups of free amino acids or N-terminus of proteins, and to e-amino groups of lysine residues (9).
In CKD, high blood urea concentrations result in increased protein carbamylation where isocyanic acid is attached covalently to arginine or lysine residues.
Peptides meeting these criteria were then assessed for a 43 Da neutral loss assessing for the loss of isocyanic acid (HNCO) through spectrometric analysis described by Hao et al.
At temperatures as low as 133 [degrees]C urea melts and decomposes into ammonia (N[H.sub.3]) and isocyanic acid (HNCO) in a thermolysis reaction.
Researchers first measured isocyanic acid (HNCO) in the atmosphere in summer 2010.
The threat comes from the chemical isocyanic acid (HNCO), which dissolves into the moist tissues of the body and promotes inflammation.
It is this pure urea that is thermally decomposed into ammonia and isocyanic acid that is used in the SCR process.
The new finding involves mixing combustion gases with isocyanic acid (HNCO), a gas formed when the nontoxic cyanuric acid, or (HNCO).sub.3., is heated.