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Topic: Fulminic acid


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In the News (Wed 9 Dec 09)

  
  Fulminic acid - LoveToKnow 1911
FULMINIC ACID, Hcno or H 2 C 2 N 2 0 2, an organic acid isomeric with cyanic and cyanuric acids; its salts, termed fulminates, are very explosive and are much employed as detonators.
The free acid, which is obtained by treating the salts with acids, is an oily liquid smelling like prussic acid; it is very explosive, and the vapour is poisonous to about the same degree as that of prussic acid.
Fulminuric acid, (Hcno) 3, obtained by Liebig by boiling mercuric fulminate with water, was synthesized in 1905 by C. Ulpiani and L. Bernardini (Gazetta, iii.
www.1911encyclopedia.org /Fulminic_acid   (778 words)

  
 Fulminic acid - Wikipedia, the free encyclopedia
Fulminic acid was discovered in 1824 by Justus von Liebig.
This organic acid is an isomer of cyanic acid, discovered one year later by Friedrich Woehler.
Fulminic acid and its salts, for instance mercury fulminate, are very dangerous, and are often used as detonators for other explosive materials, and are examples of primary explosives.
en.wikipedia.org /wiki/Fulminic_acid   (86 words)

  
 [No title]
FULMINIC ACID, HCNO or H2C2N202, an organic acid isomeric with cyanic and cyanuric acids; its salts, termed fulminates, are very explosive and are much employed as detonators.
This substance is to be distinguished from the fl " fulminating 1 A name misapplied in the southern hemisphere to Diomedea melanophrys, one of the albatrosses.silver " obtained by C. Berthollet in 1788 by acting with ammonia on precipitated silver oxide.
Fulminuric acid, (HCNO)3, obtained by Liebig by boiling mercuric fulminate with water, was synthesized in 19o5 by C. Ulpiani and L. Bernardini (Gazetta, iii.
encyclopedia.jrank.org /correction/edit?locale=en&content_id=26790   (799 words)

  
 FULMINIC ACID, HCNO - Online Information article about FULMINIC ACID, HCNO
ACID, HCNO or H2C2N202, an organic acid isomeric with cyanic and cyanuric acids; its salts, termed fulminates, are very explosive and are much employed as detonators.
alcohol, nitric acid and mercuric nitrate; the salt is largely manufactured by processes closely resembling the last.
Gay-Lussac (1824), and of Liebig again in 1838 showed the acid to be isomeric with cyanic acid, and probably (HCNO)2, since it gave mixed and acid salts.
encyclopedia.jrank.org /FRA_GAE/FULMINIC_ACID_HCNO.html   (1101 words)

  
 Cyanic acid - Wikipedia, the free encyclopedia
Cyanic acid is a colourless poisonous liquid with a boiling point of 23.5°C and a melting point of -81°C. At 0°C cyanic acid is converted to cyamelide.
In water, cyanic acid hydrolyses to carbon dioxide and ammonia.
Cyanic acid (H-N=C=O) is an isomer of fulminic acid (H-C=N-O).
en.wikipedia.org /wiki/Cyanic_acid   (98 words)

  
 Mercury fulminate (Norman L. Reitzel)
Fulminates are salts of the (hypothetical) fulminic acid, which can be thought of as the oxime of carbon monoxide.
Mercury fulminate is not particularly corrosive to gun barrels, though it renders the brass cartridge case brittle and not reusable.
Fulminic acid, on the other hand, does not exist in the free state, at least anywhere near ambient temperatures.
yarchive.net /explosives/mercury_fulminate.html   (1239 words)

  
 JCE 2000 (77) 851 [Jul] Fulminic Acid in the History of Organic Chemistry
The story of the discovery, investigation, and eventual correct formulation of fulminic acid, HCNO, extends over a period of 200 years and reflects uniquely, in its many stages, the evolution of organic chemistry from post-alchemistic times to the age of wave mechanics.
Fulminic acid was discovered in 1800 when E. Howard serendipitously prepared its highly explosive mercury and silver salts.
Recently fulminic acid and several of its isotopomers have been subjected to the most searching spectroscopic investigations and ab initio computations, by which its molecular dimensions and geometry, and its "quasi-linear" structure have been revealed.
jchemed.chem.wisc.edu /Journal/Issues/2000/Jul/abs851.html   (338 words)

  
 MERCURY (II) FULMINATE (EDUCATIONAL)
This is somewhat difficult since fulminic acid is very unstable and cannot be made or bought about.
It may be obtained white and entirely pure by dissolving in strong ammonia water, filtering, and reprecipitating by the addition of 30% acetic acid.
The pure fulminate is filtered off, washed several times with cold water, and stored under water and for experimental purposes; it is dried first.
www.freewebs.com /lpumsun/mercuryf.html   (220 words)

  
 Sciencemadness Discussion Board - Powered by XMB
In particular mixing sodium fulminate with copper(I) chloride at RT produces copper(I) disodium fulminate as a ppt, and at 80C, sodium copper(I) fulminate.
Fulminuric acid is unstable (but a little more than fulminic acid) and displays unsoluble explosive salts that are heat sensitive.
The problem is that fulminic acid is a partially oxidised product, and if left to its own devices will never occur in high concentration or yeild as it will be destroyed as fast as its formed.
www.sciencemadness.org /talk/viewthread.php?tid=599&page=2   (2126 words)

  
 fulmiaic - definition by dict.die.net
fulminique.] Pertaining to fulmination; detonating; specifically (Chem.), pertaining to, derived from, or denoting, an acid, so called; as, fulminic acid.
Fulminic acid (Chem.), a complex acid, H2C2N2O2, isomeric with cyanic and cyanuric acids, and not known in the free state, but forming a large class of highly explosive salts, the fulminates.
Of these, mercuric fulminate, the most common, is used, mixed with niter, to fill percussion caps, charge cartridges, etc. -- Fulminic acid is made by the action of nitric acid on alcohol.
dict.die.net /fulmiaic   (83 words)

  
 cyanic acid - Search Results - MSN Encarta
- weak colorless acid: a weak colorless unstable acid.
Acids and Bases, two classes of chemical compounds that display generally opposite characteristics.
Acids taste sour, turn litmus (a pink dye...
encarta.msn.com /cyanic+acid.html   (111 words)

  
 ตารางที่ 1 ...   (Site not responding. Last check: 2007-10-26)
Acids, metal powders, flammable liquids, chlorates, nitrates, sulfur, finely devided organics or combustibles.
Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, and nitritable substances.
Acetylene, oxalic acid, tartaric acid, fulminic acid, ammonium compounds.
www14.brinkster.com /hazdiw/un_compat.htm   (202 words)

  
 Lab Organizers, Laboratory Organizers, Laboratory Storage, Lab Storage, Lab Supplies, Lab Equipment   (Site not responding. Last check: 2007-10-26)
Chromic acid, nitric acid, hydroxyl compounds, ethylene Glycol, perchloric acid, peroxides, permanganates
Acetylene, oxalic acid, tartartic acid, ammonium compounds, fulminic acid
Ethyl or methyl alcohol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
www.trippnt.com /chemtable.html   (201 words)

  
 fulminate of mercury - Search Results - MSN Encarta
- explosive substance: the mercury salt of fulminic acid.
Fulminates, salts of fulminic acid, a volatile, poisonous, explosive liquid with the formula HONC, which is isomeric with cyanic acid.
Search for books about your topic, "fulminate of mercury"
encarta.msn.com /fulminate+of+mercury.html   (121 words)

  
 whmis - Appendix IV
Acids, powdered metals, flammable liquids, chlorates, nitrates, sulphur, finely divided organic or combustible materials
Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens
Ethyl or methyl alcohol, flacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
www.mohawkcollege.ca /dept/ohas/ptwhm17.html   (240 words)

  
 Incompatible Chemicals   (Site not responding. Last check: 2007-10-26)
The material on the left should be stored and handled so that it does not contact the incompatible chemical(s) on the right which would result in a potential violent reaction or toxic reaction products.
Acids, powdered metals, flammable liquids, chlorates, nitrates, sulfur, finely divided organic or combustible materials
Ethyl or methyl alcohol, glacial acetic acid, acetic anhydrite, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
www2.umdnj.edu /eohssweb/labsafety/a/popup/incompatible.htm   (278 words)

  
 Int. Journal of Quant. Chem. 1994, 49, 511.   (Site not responding. Last check: 2007-10-26)
Local spin density (LSD) methods were used to study the concerted 1, 3-dipolar cycloadditions for fulminic acid plus acetylene, fulminic acid plus ethylene, and nitrone plus ethylene.
Cartesian Gaussian double-zeta split-valence basis sets augmented with one set of polarization functions (DZVP) were used for the LSD calculations.
For the reactions of fulminic acid plus acetylene, fulminic acid plus ethylene, and nitrone plus ethylene our best estimated density functional barrier heights are: 7.8 ± 1.5, 8.9 ± 1.3, and 11.05 ± 1.9 kcal/mol, respectively.
zarbi.chem.yale.edu /homes/blake/dip_94.html   (243 words)

  
 Incompatible Chemicals
Concentrated nitric and sulfuric acid mixtures, Alkali and alkaline earth metals (such as powdered aluminum or magnesium, calcium, lithium, sodium, potassium).
Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, copper, brass, anny heavy metals
Ethyl or methyl alcohol, galcial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
www.richmond.edu /~mfarrell/labsafety/chemicals/incom3.html   (242 words)

  
 Intrinsic Reaction Coordinate (IRC) Calculation
It performs the same general function as PATH, but works in Cartesian coordinates and will compute the properties of points along the reaction pathway.
The first stage of T.V.=1 is to optimize the input geometry to a transition state using LTRD.
As requested, properties are only given at temperature 298 K. The final properties and geometry from following the 1st eigenvector of the transition state in the positive direction.
www.semichem.com /ampacmanual/irc_ex.html   (1004 words)

  
 Incompatible Chemicals
acetic acid: chromic acid, ethylene glycol, nitric acid, hydroxyl compounds, perchloric acid, peroxides, permanganates
nitric acid (conc.): acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulphide, flammable liquids, flammable gases
sodium peroxide: ethanol, methanol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulphide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
web.mit.edu /environment/ehs/topic/rcra_ref/incompatible.html   (275 words)

  
 fulminatory explore creations on bibli.ca
FULP - What does FULP stand for Acronyms and abbreviations by the Fulminatory.
fulmining All content on this website, including dictionary, thesaurus, literature, geography, and other
forlornly adverb forlornness noun fulminate verb: to explode.
intoxications.blog4.theblogonline.com /1143726950.html   (285 words)

  
 UC Davis - Office of Environmental Health & Safety
One may also wish to consult Betherick’s Handbook of Reactive Chemical Hazards.
Mercury (e.g., in manometers), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid (anhydrous)
Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids and gases, copper, brass, any heavy metals
ehs.ucdavis.edu /sftynet/sn-4.cfm   (287 words)

  
 [No title]
To produce Mercury(II) Fulminate, a very sensitive shock explosive,
one might assume that it could be formed by adding Fulminic acid to mercury.
This is somewhat difficult since Fulminic acid is very unstable and
pobladores.lycos.es /channels/ayuda/anarchist_cookbook/area/5   (2799 words)

  
 incompatiblechemicals
Ammonium salts, acids, powdered metals, sulfur, finely divided organic or combustible materials
Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, copper, brass, any heavy metals
Oils, grease, hydrogen; flammable liquids, solids or gases
faculty.uccb.ns.ca /chowley/CSF/incompatiblechemicals.html   (219 words)

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