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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Pseudomonas cell multiplication inhibition test

Key value for chemical safety assessment

EC50 for microorganisms:
60 mg/L

Additional information

TKK 30113, ARALDITE DY 0395 (CHDM DGE) was investigated for its ability to inhibit the cell multiplication of the bacteria species Pseudomonas putida according to DIN 38412 Part L 8 (March 1991) and NEN-EN-ISO 10712 (1996). The EC50 value for the reference substance, 3,5-dichlorophenol, tested during the same experiment was 21 mg/1. Since this was within the accepted range of 10-30 mg/l for the EC50 and the multiplication factor of the bacteria within the test was over 60, it was concluded that the test conditions were optimal and the results obtained were valid.