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EC number: 943-330-9 | CAS number: -
Table 1: Results after 30 min incubation time
Mean OD/ disc (#)
Mean OD/ product
UN GHS Category 2 or I
Note: the optical density was measured after a 1:2 dilution of the formazan extracts in isopropanol.
viab > 60% = No Category
viab </= 60% = Irritant
#: :mean of 3 values (triplicate of the same extract)
- Negative control: OD values of the two replicates in the range > 0.8 and < 2.5;
- Tissues treated with the positive control substance should show a mean tissue viability < 50%;
- The difference of viability between two tissue replicates should be less than 20% (or the SD between three replicates should not exceed 18%).
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