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Skull and Crossbones
Available in PDF (1 p, 188K, About PDF)
This is the symbol that will appear on the most severely toxic chemicals. Depending on the toxicity of the chemical, the skull and crossbones indicates that the chemical may be toxic or fatal.
Specifically it can mean:
- Fatal if swallowed
- Fatal in contact with skin
- Fatal if inhaled
- Toxic if swallowed
- Toxic in contact with skin
- Toxic if swallowed
This chart summarizes the hazard criteria for the category(s) in each class for the skull and crossbones pictogram to appear on a pesticide product label. It also lists the corresponding hazard statement and signal word that will accompany the pictogram. This information is for illustrative purposes only; please consult the official GHS text 
for complete information.
Hazard Class/ Category |
Criteria |
Hazard Communication Elements |
|
|
Acute Toxicity Category |
LD50 ≤ 5 mg/kg bodyweight (oral) LD50 ≤50 mg/kg bodyweight (skin/dermal) LC50 ≤100 ppm (gas) LC50 ≤0.5 (mg/l) (vapour) LC50 ≤0.05 (mg/l) (dust, mist) |
Symbol
|
|
|
Signal Word |
Danger |
||
|
Hazard Statement |
Fatal if swallowed Fatal in contact with skin Fatal if inhaled |
||
|
Acute Toxicity Category |
LD50 between 5 and less than 50 mg/kg bodyweight (oral) LD50 between 50 and less than 200 mg/kg LC50 between 100 and less than 500 ppm (gas) LC50 between 0.5 and less than 2.0 (mg/l) (vapour) LC50 between 0.05 and less than 0.5 (mg/l) |
Symbol |
|
|
Signal Word |
Danger |
||
|
Hazard Statement |
Fatal if swallowed Fatal in contact with skin Fatal if inhaled |
||
|
Acute Toxicity Category |
LD50 between 50 and less than 300 mg/kg LD50 between 200 and less than 1000 mg/kg LC50 between 500 and less than 2500 ppm (gas) LC50 between 2.0 and less than 10.0 (mg/l) (vapour) LC50 between 0.5 and less than 1.0 (mg/l) |
Symbol |
|
Signal Word |
Danger |
||
|
Hazard Statement |
Toxic if swallowed Toxic in contact with skin Toxic if inhaled |
||
