Skip to main content

Table 14 Classification Criteria for Acute Toxicity [46]

From: Improved up-and-down procedure for acute toxicity measurement with reliable LD50 verified by typical toxic alkaloids and modified Karber method

Exposure route Category I
Highest toxicity
Category II
Toxicity
Category III
Moderately toxicity
Category IV
Mildly toxicity
Category V
Low acute toxicity
Oral (mg/kg) <5 5 ~ 50 51 ~ 300 301 ~ 2000 2001 ~ 5000