In its therapeutical effects it resembles hydrocyanic acid, but is less active.
Its most remarkable property is its action on amygdalin by which the volatile oil of almonds and hydrocyanic acid, with other products are formed.
Anhydrous hydrocyanic acid is an extremely volatile liquid; if a drop be let fall on a glass plate, part of it becomes frozen by the cold produced by its own evaporation.
At ordinary temperatures anhydrous hydrocyanic acid is a colourless liquid, having a specific gravity of 0.
This hydrocyanic acid may contain a small quantity of hydrochloric acid, a not very objectionable admixture, since it retards decomposition.
Many nitrogenous substances, when submitted to destructive distillation, also evolve hydrocyanic acid.
The calcic chloride in the syphon tube retains the moisture, and the potassic cyanide any sulphuric acid that might chance to pass over, whilst the hydrocyanic acid collects in the anhydrous state in the cooled receiver.
When completely hydrolyzed, it yields two molecules of glucose and one each of benzaldehyde and hydrocyanic acid.
Some variant of hydrocyanic acid, I fancy--the odour indicates that; but it must be about fifty times as deadly as hydrocyanic acid is.
Defn: Pertaining to, derived from, or designating, an acid compound of platinous cyanide and hydrocyanic acid.
Defn: A compound of hydrocyanic acid with a base; -- distinguished from a cyanide, in which only the cyanogen so combines.
Defn: designating the acid now called hydrocyanic acid, but formerly called prussic acid, because Prussian blue is derived from it or its compounds.
Note: The nitriles are named with reference to the acids produced by their decomposition, thus, hydrocyanic acid is formic nitrile, and methyl cyanide is acetic nitrile.
The late Professor Slingerland very effectively used hydrocyanic acid gas fumigation in exterminating fleas in houses.
Still more efficient in large houses, or where many hiding places favor the bugs, is fumigation with hydrocyanic acid gas.
Cyanide of potassium, when left in a bottle, generates prussic or hydrocyanic acid.
Hydrocyanic acid, again, which is so deadly a poison to animals, caused rapid movement of the tentacles.
Effects of the Vapours of Chloroform, Sulphuric Ether, and Hydrocyanic Acid.
White masses or powder, odorless when perfectly dry; deliquescent in the air and exhaling the odor of hydrocyanic acid.
The alkaline cyanides are rarely administered internally, but their use in solution has been suggested as a substitute for diluted hydrocyanic acid =Sodii Glycerophosphas (Sod.
Cyanogen and hydrocyanic acid, recognizable by their odour, indicate decomposable cyanides.
This analogy is especially striking in the change of their activity with time and temperature, and in the possibility, by means of bodies like sulphuretted hydrogen, hydrocyanic acid, &c.
Under the proper conditions carbon unites with nitrogen and hydrogen to form the acid HCN, called hydrocyanic acid.
Hydrocyanic acid is one of the weakest of acids, and dissociates to an extremely slight extent.
The salts of hydrocyanic acid are called cyanides, the cyanides of sodium and potassium being the best known.
Under certain conditions sorghum contains enough hydrocyanic acid to make it exceedingly dangerous to cattle.
There is some reason to think that the frosted second growth is particularly rich in hydrocyanic acid.
In the leaves of the cherries more or less hydrocyanic acid is produced, and when these leaves are eaten in any considerable quantity cases of poisoning are likely to arise.
It also unites directly with hydrocyanic acid to form the nitrile of a-oxyisobutyric acid.
Very well combined with arsenic in very chronic cases, with hydrocyanic acid in more acute cases.
Bismuth: with hydrocyanic acid, to relieve acidity and heartburn.
The vapour of hydrocyanic acid, if present, will form a white precipitate which may be tested.
Poisoning, as by hydrocyanic acid, cyanide of potassium, inhalation of carbonic acid or coal gas, oedema of glottis following inhalation of ammonia.
The system of ventilation should admit of operation either from the inside or the outside of the house, as fumigation with hydrocyanic acid gas is sometimes necessary, in the fumes of which it is impossible to enter, unless with a gas mask.
When the hydrocyanic acid was made a better conductor by sulphuric acid, the same results occurred.
The bottle had contained prussic, or hydrocyanic acid, probably the moist deadly poison in existence, and the swiftest in its action.
Hydrocyanic acid, on the other hand, is an exceedingly weak acid.
E−10, the value for the ionization constant of hydrocyanic acid.
Hydrocyanic acid is one of the weakest acids (table, p.
Since the union of the hydrogen-ion with the cyanide-ion, to form little ionized hydrocyanic acid, is the main moving cause for the changes, the latter will then come to a standstill and equilibrium will be established.
The poisonous properties of this oil are due to the hydrocyanic acid which is present.
The symptoms of poisoning from the oil of bitter almonds, or from a quantity of the bitter almonds, are the same as from a dose of hydrocyanic acid.
Medicinally the oil is used likehydrocyanic acid in various disorders of nervous origin, as whooping cough, spasmodic troubles, etc.
These little rodents were so sensitive to atmospheric changes that a quantity ofhydrocyanic acid too minute to affect a man would produce instantaneous death on them.
These gentlemen believe it may be a form of hydrocyanic acid, but of a concentration beyond anything known to chemistry, so deadly that a billionth part of it to one of air must be fatal, otherwise it could not have traveled as it has done.
Poisonous beyond any gas known, so deadly as to make hydrocyanic gas innocuous in comparison, still as it was swept northward on the wings of the wind, there had been an increasing number of non-fatal casualties.
The action of these medicines is very different from that of thehydrocyanic acid, in as far as they both stimulate the eye, and produce much greater warmth and irritation, with less dilatation of the pupil.
SIR,--In October, 1841, I gave an account of the action of the vapour of hydrocyanic acid upon diseases of the eye.
Page Introduction 1 Action of Hydrocyanic Acid upon the Eye 3 Action of Chlorocyanic Acid upon the Eye 7 Remarks on the Action of Carbon, &c.
In whatever manner it is prescribed or administered, either therapeutically or as a poison, hydrocyanic acid operates directly on the nervous centres.
Paris so remarkable, as even alone to supply decisive evidence of poisoning by hydrocyanic acid.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "hydrocyanic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
