Heather (sydneygb) wrote in little_details,

Saxitoxin (Paralytic Shellfish Poisoning) amounts

I was looking for a substance I could inject into a character to render him paralysed and possibly dead, and I've found Saxitoxin (STX), which is the chemical responsible for paralytic shellfish poisoning. Wikipedia says the LCt50 (measure of lethality within 50% of the population) is 5 mg x min / m3. What I need to know (I am so not a math/science major) is how to figure out how much of this stuff is necessary to put down two guys weighing 195 and 150 pounds, respectively. Basically I need to know if I can fit the required amount in a syringe-like device (which I've made up because it has to be small enough to fit in a cigarette packet and plastic or at least non-metal-detectable). Maybe I'm going for too much detail and I should just say, "Okay, he's using STX in the syringe-thing, and boom." But I'd at least like to ballpark it and see if I'm way off base.

The Wikipedia entry on Saxitoxin is here, in case my transcription of the formula is wrong/confusing.

Thank you in advance for fielding my crazy question. And apologies to those viewing medical_geeks because I'll be crossposting this there.
Tags: ~medicine: poisoning

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