hydrocyanic acid


  • WordNet 3.6
    • n hydrocyanic acid a solution of hydrogen cyanide in water; weak solutions are used in fumigating and in the synthesis of organic compounds
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Webster's Revised Unabridged Dictionary
    • Hydrocyanic acid (Chem) a colorless, mobile, volatile liquid, HCN, having a characteristic peach-blossom odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also prussic acid hydrogen cyanide, etc.
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In literature:

It is manifest that, but for this later compound, we might double the quantity of hydrocyanic acid from the yellow salt.
"American Handbook of the Daguerrotype" by Samuel D. Humphrey
Most of these can be easiest controlled by hydrocyanic acid gas treatment.
"Three Acres and Liberty" by Bolton Hall
Gabriel jerked up his revolver, as he ran, the terrible weapon shooting bullets charged with hydrocyanic-acid gas.
"The Air Trust" by George Allan England
This salt is said to have no poisonous properties, although the dangerous hydrocyanic acid is made from it.
"Scientific American Supplement, No. 483, April 4, 1885" by Various
Hydrocyanic acid, its electrolyses, 771, 788.
"Experimental Researches in Electricity, Volume 1" by Michael Faraday
The latter require the services of an exterminator or some one skilled in the use of hydrocyanic acid gas.
"If You're Going to Live in the Country" by Thomas H. Ormsbee and Richmond Huntley
Vomiting, for example, can sometimes be checked by effervescing drinks, such as citrate of caffein, or by dilute hydrocyanic acid and bismuth.
"Manual of Surgery" by Alexis Thomson and Alexander Miles
The diluted hydrocyanic acid of the Pharmacopoeia contains 2 per cent.
"Aids to Forensic Medicine and Toxicology" by W. G. Aitchison Robertson
Cyanogen and hydrocyanic acid, recognizable by their odour, indicate decomposable cyanides.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
C., which explodes violently when heated with water, yielding hydrocyanic acid (CH3NCl2 = HCN + 2HCl).
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4" by Various
Several glucosides which yield hydrocyanic acid as one of the products of their hydrolysis are of common occurrence in plants.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher
Hydrocyanic acid gas against household insects 318-320 Proportion of ingredients.
"Handbook of Medical Entomology" by William Albert Riley
Hydrocyanic-acid gas is effective in destroying all animal life in buildings.
"House Rats and Mice" by David E. Lantz
Ether was placed in the different vessels, and then a few drops of hydrocyanic acid, a deadly poison, were added.
"The Universe a Vast Electric Organism" by George Woodward Warder
If cyanogen be given the chance it will take unto itself an atom of hydrogen, producing the deadly hydrocyanic or prussic acid.
"Marvels of Scientific Invention" by Thomas W. Corbin
It may be prepared by the action of chlorine on hydrocyanic acid or on mercury cyanide.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8" by Various
It fills the indications of hydrocyanic acid, ingluvin, ipecac or any other anti-emetic.
"New, Old, and Forgotten Remedies: Papers by Many Writers" by Various
Dr. Behr tells us that the foliage, in withering, develops hydrocyanic acid, the odor of which is quite perceptible.
"The Wild Flowers of California: Their Names, Haunts, and Habits" by Mary Elizabeth Parsons
Hydrocyanic acid was sought for with negative results.
"Barium, A Cause of the Loco-Weed Disease" by Albert Cornelius Crawford
Here is a bottle of hydrocyanic acid.
"The Chase of the Ruby" by Richard Marsh

In news:

Many sorghum- and sudan-type plants, including johnsongrass, can release a poisonous substance known as prussic or hydrocyanic acid.
Cyanide, prussic acid , hydrogen cyanide or hydrocyanic acid poisoning are all terms describing the same condition.