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Ecotoxicological information

Toxicity to microorganisms

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Link to relevant study record(s)

Description of key information

A number of published studies in various species are available.

Key value for chemical safety assessment

EC50 for microorganisms:
100 mg/L

Additional information

The results of the available studies are summarised below.

Species

Endpoint

Time

Comment

Reference

Activated sludge

EC50: 100 mg/L

3h

 

Yoshioka et al, 1986

Pseudomonas putida

Toxicity threshold: >100 mg/L

16h

 

Bringmann & Kuehn, 1977

Tetrahymena pyriformis

EC 50: 20 mg/L

24h

 

Yoshioka, 1985

Activated sludge

EC50: 300 mg/L

3h

 

Bayer, 1985

Entosiphon sulcatum

Toxicity threshold: 14 mg/L

72h

 

(Bringmann & Kuehn, 1979)

Chilomonas paramecium

Toxicity threshold: 42 mg/L

48h

 

(Bringmann et al, 1980)

Uronema parduczi

Toxicity threshold: 21 mg/L

20h

 

(Bringmann & Kuehn, 1980)