Re: White House Delays Release of Study Showing Toxic Rocket Fuel In Most Americans

In article <pbkPf.806465$x96.151047@attbi_s72>, George wrote:
That is true. By the way, PERC and PCE are the same substance. 1,1,2,2
tetra-chloro ethylene and perchloroethane are also the same thing. Also
known as Hexachloroethane and Carbon hexachloride.

Two of the synonyms you suggest indicate a six-chlorine molecule ;
one of the synonyms indicates a four-chlorine molecule, and two are
completely agnostic as to the chlorine count.

Cl Cl Cl H Cl H
\ / | | | |
C==C Cl-C--C-Cl Cl-C--C-H
/ \ | | | |
Cl Cl H Cl Cl H

tetrachloro- 1,1,2,2 tetra- 1,1,1 trichloro-
ethylene chloroethane ethane

<SIGH> IUPAC organic nomenclature rules are tedious, awkward,
long-winded, unintuitive and necessary.
I can't be bothered with the 6-chlorine compounds. Drawing the
structures is just too long-winded.

--
Aidan Karley FGS
Aberdeen, Scotland,
Location: 57°10'11" N, 02°08'43" W (sub-tropical Aberdeen), 0.021233

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