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Wrong! Botulinum is not the most toxic! Top 10 Most Toxic chemicals!

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White Shark Views: 8,230
Published: 13 years ago
This is a reply to # 808,505

Wrong! Botulinum is not the most toxic! Top 10 Most Toxic chemicals!

Here's a list of the most poisonous chemicals known.

Toxicity varies from one species to another (i.e., what may be poisonous for a mouse may be more/less poisonous to a human) and within a species (i.e., age, sex, genetics all affect susceptibility to a toxin).

#1 tetanus
1 nanogram/kg
mouse, human

#2 botulinal neurotoxin (bacteria)
1 nanogram/kg
mouse, human

#3 shigella (bacteria)
1 nanogram/kg
monkey, human

#3 palytoxin (coral)
60 nanogram/kg
dog (iv)

#4 diphtheria (bacteria)
100 nanogram/kg

#5 ricin (from castor beans)
1 microgram/kg

#6 aflatoxins (mold which grows on nuts, legumes, seeds)
1-784 micrograms, depending on type of aflatoxin
duckling (oral)

#7 shigella (bacteria)
1 microgram/kg

#8 saxitoxin (shellfish)
3-5 micrograms
mouse (iv), about 50x higher dose orally

#9 tetrodotoxin (fugu pufferfish)
10 micrograms
mouse (ip)

#10 diphtheria (bacteria)
1.6 milligram/kg


Merck Index, 11th Ed., S. Budavari et al. (editors), Merck (1989) ISBN 911910-28-X

McGraw-Hill Concise Encyclopedia of Science and Technology, 2nd Ed., McGraw Hill (1989) ISBN 0-07-045512-0, CD-ROM

Some people were claiming that Arsenic and Mercury are the most toxic.

They cant even make the top 10 list.

White Shark

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