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
the Netherlands
29
Republic of Ireland
52
Greece
24
Italy
34
Poland
6707
France
18
Australia
68
Switzerland
46
Germany
676
the United Kingdom
232
Austria
108
the Philippines
51
India
604
Canada
50
the United Arab Emirates
22
the United States
290
Pakistan
72
Malaysia
21
Ghana
23
Nigeria
128