What substance has the lowest value of LD50 (median lethal dose)?
Sarin
Botox
Ricin
Arsenic
The value of LD50 for a substance is the dose required to kill half the members of a tested population after a specified test duration. Botox is the most acutely lethal toxin known, with an estimated human LD50 of 1.3–2.1 ng/kg intravenously or intramuscularly and 10–13 ng/kg when inhaled.
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Answers by country
Sarin
Botox
Ricin
Arsenic
answers
Republic of Ireland
52
the Netherlands
30
Greece
24
Italy
34
Poland
6794
France
18
Switzerland
47
Australia
68
Germany
701
the United Kingdom
234
Austria
111
the Philippines
51
Canada
50
India
605
the United Arab Emirates
22
the United States
299
Pakistan
72
Malaysia
21
Ghana
23
Nigeria
128