|
| Route administration | |||
| LD50 oral | LC50 inhalation | LD50 dermal | ||
| Toxicity Index | Terms | (Single dose to rats) mg/kg | (4 h rats’ exposure) ppm | (Single dermal application rabbit skin) mg/kg |
| 1 | Very toxic | 1 or less | 10 or less | 5 or less |
| 2 | Highly toxic | 1 to 50 | 10 to 100 | 5 to 43 |
| 3 | Moderately toxic | 50 to 500 | 100 to 1000 | 44 to 340 |
| 4 | Slightly toxic | 500 to 5000 | 1000 to 10,000 | 350 to 2810 |
| 5 | Almost nontoxic | 5000 to 15,000 | 10,000 to 100,000 | 2820 to 22,590 |
| 6 | Relatively harmless | 15,000 or more | 100,000 | 22,600 or more |