Usual Lethal Dose of Common Toxic Substance

● Acetyl salicylic acid (Aspirin) : 15 to 20 gm

● Cyanide (salt) : 200 to 300 mg

● Methanol : 60 to 250 ml

● Acids (Mineral) : 10 to 15 ml

● Datura : 50 to 75 seeds

● Morphine : 200 mg

● Aconite (Root) : 1 gm

● DDT : 15 to 30 gm

● Nicotine : 60 mg

● Aluminium phosphide : 500 mg

● Diazinon : 1 gm

● Oleander : 5 to 15 leaves or 15 gm root

● Arsenic trioxide : 250 mg

● Ethanol : 5 to 8 gm/ kg

● Opium : 500 mg

● Atropine : 10 mg

● Ethylene glycol : 100 ml

● Organochlorines (except Lindane and DDT): 2 to 6 gm

● Long-acting Barbiturate : 3 gm

● Formaldehyde : 30 to 60 ml

● Oxalic acid : 15 to 20 gm

● Short-acting Barbiturate : 1 to 2 gm

● Heroin : 50 mg

● Paracetamol : 12 to 20 gm

● Benzene : 15 to 20 ml

● Iron : 200 mg/kg

● Parathion : 100 mg

● Carbolic acid (Phenol) : 20 ml

● Isopropanol : 200 to 250 ml

● Phosphorus : 60 to 120 mg

● Castor : 5 to 10 seeds

● Lead acetate : 20 gm

● Strychnine : 50 to 100 mg

● Cocaine : 1 to 2 gm

● Lindane : 15 to 30 gm

● TEPP : 100 mg

● Copper sulfate : 30 gm

● Malathion : 1 gm

● Thallium (salt) : 1 gm

● Curare : 60 mg

● Mercuric chloride : 1 to 2 gm

Also Read: What is Lethal Dose?

Sources & References:

A Textbook of Medical Jurisprudence And Toxicology By Rai Bahadur Jaising P. Modi

Review of Forensic Medicine and Toxicology by Gautam Biswas

Review of Forensic Medicine Seventh Edition by Dr. Sumit Seth

The Essentials Of Forensic Medicine And Toxicology By Dr. K.S. Narayan Reddy

Clinical Forensic Medicine Edited By Margaret M. Stark

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