LD50

Substance [Ref.]

Descent

mg/kg

pLD

2,3,7,8-Tetrachlorodibenzodioxin [15]

Industrial waste

0.02

7.7

Parathion [16]

E 605

2

5.7

Potassium cyanide [17]

Gold leaching

5

5.3

Citrinin [18]

Mushroom poison

134

3.9

Ephedrine [19]

Cough syrup

600

3.2

Sodium chloride [20]

Table salt

3,000

2.5

Glyphosate [21]

Herbicide

4,873

2.3

Ethanol [22]

Alcohol

7,060

2.2

Sucrose [23]

Household sugar

32,500

1.5

Water [3]

Tap water

More than 90,000

1