You may find it in Wingdings 3, which is nothing but arrows, or try the
Arrows subset of Arial Unicode MS (e.g., 21C4).

--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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"clueless med lab" clueless med wrote in
message ...
symbol is two half arrows facing oppisite directions representing a
dynamic
state in a chemical equation