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Slimz
Hazard to Others
Posts: 123
Registered: 18-9-2007
Member Is Offline
Mood: Inquisitive
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elliptical - Of or relating to extreme economy of oral or written expression
For those of you who thought it was a gym machine.
oh.. wrong forum... 
Johnny was a chemist’s son, but now he is no more. What Johnny thought was H2O was H2SO4
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chloric1
International Hazard
Posts: 1070
Registered: 8-10-2003
Location: GroupVII of the periodic table
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Mood: Stoichiometrically Balanced
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| Quote: | Originally posted by Sauron
Yes the oxychloride can be made from phosphates at high temperatures requiring a tube furnace but I would hardly call having to deal with POCl3 at 750
C convenient, and few of us have a tube furnace. (though I admit to one.)
The chlorination of phosphides is purely speculative. And phosphides also only release P vapor (and that is white P vapor) at high temperatures. These
might form practical industrial processes but for the home chemist they strike me as rather remote possibilities and hazardous. More hazardous than
the DEA. |
Well actually Sauron I was refering to to chlorinating phophides in a chlorinated solvent. So no P vapor at all. Unfortunately, I have not tried this
myself. PCl3 boils at 76C so methylene chloride which boils at 34C would suffice. Or, a high boiling solvent such as tetrachloroethane might work.
Fellow molecular manipulator
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Sauron
International Hazard
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Registered: 22-12-2006
Location: Barad-Dur, Mordor
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True. However, if I recall from the threads concerning phosphide halogenation, this reaction, whether in gas phase or in a liquid medium, remains
conjectural, i.e., no one has advanced any literature to support it.
Phosphides being toxic and pyrophoric thay are often hard to buy, hard to ship, hard to import. They are after all sources pf PH4 and diphosphine. I
am not at all sure I can buy them.
Making the phosphides from phosphates is one of those tube furnace affairs.
So while I did not forget this ides or dismiss it out of hand I have back-burnered it while seeking safer and more practical alternatives.
If you have any lit., or your own experimental experience with this I' all ears and so are others I am sure.
Sic gorgeamus a los subjectatus nunc.
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