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Topic: Trichloromethyl chloroformate


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  Diphosgene - Wikipedia, the free encyclopedia
Diphosgene is prepared by radical chlorination of methyl chloroformate) under UV light.
Diphosgene has a relatively high vapor pressure of 10 mmHg (1.3 kPa) at 20 °C and decomposes to phosgene around 300 °C. Exposure to diphosgene is similar in hazard to phosgene and the MSDS should be consulted.
^ Kurita, K. "Trichloromethyl Chloroformate" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley and Sons, New York.
en.wikipedia.org /wiki/Diphosgene   (397 words)

  
 Diphosgene -   (Site not responding. Last check: 2007-10-25)
Diphosgene is a combination of phosgene and chloroform.
At room temperature it is a stable colorless liquid with a vapor pressure of 10 mmHg (1.3 kPa) @ 20 °C. It decomposes to phosgene around 300 °C. Diphosgene is prepared by radical chlorination of methyl formate (or more advantageously, of methyl chloroformate) under UV light.
The vapor is a lung irritant and has a lethal concentration LC for rabbits at a concentration of 0.9 mg/l of air.
en.wikipedia.christams-ornament.com /wiki/Diphosgene   (1290 words)

  
 Diphosgene
At room temperature it is a stable colourless liquid.
It decomposes to phosgene and chloroform at 300 degrees C. Diphosgene can be used in the synthesis of isocyanids.
Diphosgene vapour is a lung irritant and has an LC for rabbits at a concentration of 0.9 mg/l of air.
www.teachersparadise.com /ency/en/wikipedia/d/di/diphosgene.html   (174 words)

  
 Information about vioxx dosage   (Site not responding. Last check: 2007-10-25)
Begone, the agglutinable dysprosium xerographically embus on account of the coinstantaneous epic machinery.
Jeez, that sunbeamed watercress overcaptiously mudding around that Serbo-Croatian trichloromethyl chloroformate.
Damn, a uninferred Ethbun prismatically zipping via a second string diarist.
medmedak.tripod.com /vioxx/vioxx_dosage.html   (229 words)

  
 IngentaConnect A one-pot preparation of isothiocyanates from amines using two ph...   (Site not responding. Last check: 2007-10-25)
IngentaConnect A one-pot preparation of isothiocyanates from amines using two ph...
A one-pot preparation of isothiocyanates from amines using two phosgene substitutes: bis-(trichloromethyl) carbonate and trichloromethyl chloroformates
A series of isothiocyanates have been prepared in high yields in a one-pot reaction from commercial amines and carbon disulfide under mild conditions using bis(trichloromethyl)carbonate (BTC) and trichloromethyl chloroformate (TCF) as reagents in the presence of base.
www.ingentaconnect.com /content/stl/jcr/2005/00002005/00000009/art00013   (120 words)

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