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Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

The available studies for the aquatic toxicity of phosphonic acid (phosphorous acid flake) are listed in the table below:

 

Guideline

Test species

Endpoint

Result

Remarks

OECD guideline 201

Pseudokirchnerella subcapitata

72h-NOEC

72h-EC50

1 mg/l

153 mg/l

Key study, GLP, rel. 1

OECD guideline 202

Daphnia magna

48h-NOEC

48h-EC50

>= 1000 mg/l

> 1000 mg/l

Key study, GLP, rel. 1

OECD guideline 203

Cyprinus carpio

96h-NOEC

96h-LC50

>= 100 mg/l

> 100 mg/l

Key study, GLP, rel. 1

 --

Microflora from mud flat soil (North Sea shore)

enzyme inhibition

> 840 and > 60 mg/kg soil dw

Key study, rel.2