On Mon, 26 Jan 2004, David Weinshenker wrote:
> So there's been some mention of potential peroxide hypergolicity
> with propargyl alcohol...
> And how nasty _is_ it actually to handle? There's nasty, and then
> there's _nasty_... will it detonate if I look at it sideways or
> poison me through a rubber glove - what's the actual hazard profile
> (and how alarmingly expensive is it)?
Cost: as of a couple of years ago, I was told it cost $3/lb.
Hazard: it's carcinogenic, and I'm told it's on EPA's "P" list of
extremely hazardous chemicals (along with hydrazine and assorted
cyanides). Do you really need more?
> And on a more practical note, does anyone have an Isp (1000/14.7psia
> shifting) for it with pure H2O2?
Bruce Dunn says the optimal mixture ratio has about the same bulk density
as peroxide/kerosene and about an extra 5s of Isp.
Henry Spencer
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