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Topic: Cacodyl


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In the News (Tue 29 Dec 09)

  
  Cacodyl - Wikipedia, the free encyclopedia
Cacodyl, dicacodyl, tetramethyldiarsine, alkarsine or Cadet's liquid (after the French chemist Louis Claude Cadet de Gassicourt) (CH As—As(CH is a poisonous oily liquid with a garlicky odor.
It was investigated by Edward Frankland and Robert Bunsen and is considered one of the earliest organometallic compounds ever discovered.
In Bunsen's words "the smell of this body produces instantaneous tingling of the hands and feet, and even giddiness and insensibility...It is remarkable that when one is exposed to the smell of these compounds the tongue becomes covered with a fl coating, even when no further evil effects are noticeable".
en.wikipedia.org /wiki/Cacodyl   (175 words)

  
 Robert Wilhelm Bunsen
Cacodyl (from the Greek kakodhs - "stinking") was also known as alkarsine or "Cadet's liquid," a product made from arsenic distilled with potassium acetate.
The chemical composition of this liquid was unknown, but it and its compounds were known to be poisonous, highly flammable and had an extremely nauseating odor even in minute quantities.
Bunsen's daring experiments showed that cacodyl was an oxide of arsenic that contained a methyl radical (a group of atoms acting as one species).
www.corrosion-doctors.org /Biographies/BunsenBio.htm   (2043 words)

  
 Bunsen   (Site not responding. Last check: 2007-10-30)
Moving from Kassel to Marsburg he took over the directorship of the Chemical Laboratory there and was appointed extraordinary professor on 7 August 1839.
Cacodyl (from the Greek kakodhs - "stinking", now named tetra-methyldiarsine) was also known as alkarsine or "Cadet's liquid," a product made from arsenic distilled with potassium acetate.
It is remarkable that when one is exposed to the smell of these compounds the tongue becomes covered with a fl coating, even when no further evil effects are noticeable." Bunsen's daring experiments showed that cacodyl was an oxide of arsenic that contained a methyl radical.
chem.ch.huji.ac.il /~eugeniik/history/bunsen.html   (3581 words)

  
 Frugal lighting
He was known as an inept experimentalist with radical theories who isolated a foul-smelling compound which he named cacodyl oxide and a whole series of related compound s which turned out to be highly explosive.
He was known as > an inept experimentalist with radical theories who isolated a foul-smellin g > compound which he named cacodyl oxide and a whole series of related compou nds > which turned out to be highly explosive.
He was known as >an inept experimentalist with radical theories who isolated a foul-smelling >compound which he named cacodyl oxide and a whole series of related compoun ds >which turned out to be highly explosive.
www.homeownerschat.com /message212581-1.html   (1203 words)

  
 Organometallic chemistry - Wikipedia, the free encyclopedia
Key reaction mechanisms are oxidative addition, reductive elimination, transmetalation, electron transfer and organometallic substitution reactions.
Early developments: Cadet’s synthesis of methyl arsenic compounds related to the cacodylic acid, Zeise's platinum-ethylene complex, Edward Frankland’s discovery of dimethyl zinc, Ludwig Mond’s discovery of Ni(CO)
In 2005, Chauvin, Grubbs, and Schrock shared the Nobel Prize for metal-catalyzed alkene metathesis.
en.wikipedia.org /wiki/Organometallic_chemistry   (560 words)

  
 Glossary   (Site not responding. Last check: 2007-10-30)
Cadet's liquid is highly toxic, smells strongly of garlic, and spontaneously bursts into flame when exposed to air.
O, with other cacodyl compounds such as dicacodyl, ((CH As)
Berzelius coined the name kakodyl (later changed to cacodyl) for the dimethylarsinyl radical, (CH As, from the Greek kakodes (evil-smelling) and hyle (matter).
web2.lemoyne.edu /~giunta/archemc.html   (1318 words)

  
 Zinc Alkyls, Edward Frankland, and the Beginnings of Main-Group Organometallic Chemistry
Thus, perhaps stimulated by the reaction that Bunsen had applied successfully to the isolation of what at that time was considered to be the cacodyl "radical" (eq 1),
Kate Smith, Library and Information Centre of the Royal Society of Chemistry, for the photographs of Edward Frankland, to Dr. Gregory M. Smith (Akzo Nobel) for the literature cited in refs 48 and 49, and to Ms.
The electron was unknown in 1848; therefore, the 1848 "radical" has no connection with the free radical of today.
pubs.acs.org /cgi-bin/jtextd?orgnd7/20/14/html/om010439f.html   (11244 words)

  
 cacodyl group - definition, thesaurus and related words from WordNet-Online
cacodyl group - definition, thesaurus and related words from WordNet-Online
Hint: double-click any word on the page to get it searched!
cacodyl, cacodyl group, cacodyl radical, arsenic group - the univalent group derived from arsine
www.wordnet-online.com /cacodyl_group.shtml   (55 words)

  
 cacodoxical Dictionary Words Starting with ca
Popular web searches with c Popular web searches with c cacodoxical cacodoxy cacodyl cacodylate cacodylic cacoeconomy cacoepist cacoepistic
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peptidic.host7.ranusa.com /1141036525.html   (501 words)

  
 LINYI LUJING CHEMICAL CO., LTD.   (Site not responding. Last check: 2007-10-30)
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Hexamethylene cacodyl oxygen methyl silicon hydride, 3-propanediol, N-Ddihydroxyethyl *propyl amine.
www.kuan.cn /yellowpage/C/A/203315   (51 words)

  
 CHANGQING CHANGFENG CHEMICAL FACTORY   (Site not responding. Last check: 2007-10-30)
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www.kuan.cn /yellowpage/4/1/125337   (103 words)

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