Hydrogen Cyanide
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  • Hydrogen cyanide (with the historical common name of Prussic acid) is a chemical
    compound with chemical formula HCN.
  • It is a colorless, extremely poisonous liquid that boils slightly above room temperature at 26 C (79 F).
  • Hydrogen cyanide is a linear molecule, with a triple bond between carbon and nitrogen.
  • A solution of hydrogen cyanide in water is called hydrocyanic acid. The salts of hydrogen cyanide are known as cyanides.
  • HCN is produced on an industrial scale and is a highly valuable precursor to many chemical compounds ranging from polymers to pharmaceuticals.
  • The most important process is the Andrussow oxidation invented by Leonid Andrussow to prepare hydrogen cyanide in which methane and ammonia react in the presence of oxygen at about 1200 C over a platinum catalyst.
  • In the Shawinigan Process, hydrocarbons, e.g. propane, are reacted with ammonia to
    form HCN.
  • Hydrogen Cyanide may be produced naturally by microorganisms as well as from the cyanogenic degradation of glycosides.
  • HCN is removed from gas mixtures containing hydrogen sulphide by treating the gas mixture with a catalyst comprising the elements nickel, uranium and thorium disposed as their oxides on a gamma alumina support.
  • An electrochemical measuring cell for detecting hydrogen cyanide by means of at least one measuring electrode and a counter electrode disposed in an electrolyte.
  • Al2O3 was able to be used as catalyst for continuous operation in the preparation of hydrogen cyanide from hydrocarbons and ammonia, preferably in the BMA method.
  • Process for removing HCN from ethanedinitrile by contacting hydrogen
    cyanide-containing ethanedinitrile with an organic reagent under formation of a covalent bond.
  • In the laboratory, small amounts of HCN are produced by the addition of acids to cyanide salts of alkali metals.
  • HCN is the precursor to sodium cyanide and potassium cyanide, which are used mainly in gold and silver mining and for the electroplating of those metals.
  • HCN is obtainable from fruits that have a pit, such as cherries, apricots, apples, and bitter almonds, from which almond oil and flavoring are made. Many of these pits contain small amounts of cyanohydrins such as mandelonitrile and amygdalin, which slowly release hydrogen cyanide.
  • HCN is formed in interstellar clouds through one of two pathways a neutral-neutral reaction and dissociative recombination.
  • Sodium and Potassium cyanide & other cyanide salts may be made from hydrogen cyanide are widely used in metal processing.
  • HCN have also been used as a fumigant to control pests in grain stores and also been used for the disinfestation of buildings, such as flour mills, warehouses and domestic
  • Hydrogen Cyanide.
  • General Information.
  • Properties.
  • Chemical Information.
  • HCN
  • Lewis Structure of HCN.
  • Cyanide Management.
  • Ecological fate and effects profile.
  • New Generation concerns resulting in firefighting tactics and medicine.
  • HCN in Service.


  • Hydrogen Cyanide MSDS.
  • MSDS of HCN 0.1-2.79%.
  • Safety sheet of HCN 0.0001-0.02%.
  • Hydrogen Cyanide in nitrogen.
  • Safety sheet of HCN.
  • 0-10PPM HCN in Nitrogen Data Sheet.
  • Material Sheet of hydrogen Cyanide in Nitrogen.
  • Material data sheet of HCN.
  • 0-999ppm hydrogen Cyanide in nitrogen msds.

Fact Sheet

  • Prussic Acid fact Sheet.
  • Fact Sheet of HCN.
  • Cyanide Fact Sheet.
  • Hydrogen cyanide Fact Sheet.


  • Human Health Aspects of HCN.
  • Effects of Hydrogen Cyanide.
  • HCN effects on Human body.
  • Exposure of HCN.
  • Ototoxicity of industrial chemicals combination with noise-HCN.
  • Safety Summary.
  • Hydrogen Cyanide Poisoning.
  • Toxological Overview.
  • Toxicity Summary.
  • HCN chemical hazards.


  • HCN synthesis from methane and ammonia.
  • Descriptor based analysis applied to HCN Synthesis.
  • HCN manufacturing process.
  • Preparation Process of HCN.
  • A high-temperature reactor for the synthesis of hydrogen cyanide.
  • Preparation of hydrogen cyanide.


  • Ammoxidation of methanol to produce HCN.
  • Electric Arc process for making HCN.
  • Electrochemical measuring cell for detecting hydrogen cyanide.
  • Electrochemical detection of HCN.
  • Process for removing HCN from ethanedinitrile.
  • Hydrogen cyanide synthesis process.
  • Manufacture of hydrogen cyanide.
  • Method of determining hydrogen cyanide.
  • Preparing HCN.
  • Production of HCN.
  • Catalytic ammoxidation for HCN production.
  • Preparation of reaction products of hydrogen cyanide.
  • Method of reducing HCN and ammonia in synthesis gas.
  • Hydrogen Cyanide removal.
  • Removing gaseous pollutants in highly dilute concentrations from air at room temperatures.
  • Detecting hydrogen cyanide gas in a gaseous sample.


  • China Suppliers.
  • Suppliers from Hongkong.
  • Indian Suppliers.
  • Suppliers from Malaysia.

Raw material suppliers

  • Ammonia.
  • Methane.
  • Oxygen.
  • Platinum.

Company profiles

  • Company1 from China.
  • Company2 from China.
  • Company3 from China.
  • Company1 from India.
  • Company2 from India.
  • Company3 from India.


  • Consultants from NewYork.
  • Consultancy1 from UK.
  • Consultancy2 from UK.
  • Consultancy from USA.


  • Sensoric HCN 2E 30F data sheet.
  • GMT detection head.
  • Cyanogenic glycosides-information sheet.
  • C-Band wavelength Calibrator.


  • Non-detection of hydrogen cyanide on jupiter.
  • Research of wood penetration with hydrogen cyanide.
  • Report for locating and estimating air emissions from sources of cyanide compounds.


  • Behaviour of cyanide in a landfill.
  • Cyanide poisoning in fire related deaths in Victoria, Australia.
  • CN mode of HCN.
  • Simulation study of solid doped by hydrogen cyanide molecules.
  • Physiological effects of hydrogen cyanide.
  • Adsorption of HCN by Al2O3.
  • Laboratory investigation of hydrogen cyanide gas formation from cemented paste fill samples.
  • Isocitrate lyase supplies precursors for HCN production.
  • Thermally induced transformation of hydrogen cyanide.
  • Pytotoxic reaction of hawaiian cut flowers and foliage to hydrogen cyanide fumigation.
  • Hydrogen cyanide as an important cause of death in fire victims.
  • Washout kinetics of inhaled hydrogen cyanide in breath.


  • Safe method of using HCN.
  • Health Database of hydrogen cyanide.
  • Safety guidelines for manufacturing HCN.
  • Treatment of cyanide poisoning.
  • HCN-new concerns for firefighting.


  • Application note of Hydrogen Cyanide.
  • Hydrogen Cyanide applications.
  • Uses of Hydrogen Cyanide.


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