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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

The available studies for the aquatic toxicity of IDDPP are listed in the table below:



Test species




OECD 203 Short-term toxicity to fish, Envigo 2016

Oncorhynchus mykiss


>0.15 mg/L (geomean)

Key study, GLP, rel. 1

OECD 202, 48 -hour Acute Immobilzation test, Envigo 2016

Daphnia magna


0.042 mg/L (geomean)

Key study, GLP rel. 1

OECD 201 Algal Toxicity Test, Envigo 2016

Selenastrum capricornutum

72h-EC50 growth rate

>0.1 mg/L (geomean)

Key study, GLP, rel. 1

Equivalent or similar to OECD guideline 215

Pimephales promelas

90d-NOEC growth

90d-NOEC reproduction

0.057 mg/l (measured) Santicizer 148

>=0.336 mg/l (measured) Santicizer 148

Key study, rel. 2

ASTM Task group on daphnids, "Draft proposed standard practice for conducting renewal life cycle toxicity tests with the daphnid, Daphnia magna", 1978/1982

Daphnia magna

21d-NOEC mortality and reproduction

3.8 ug/l (measured) Pydraul 312C

Key study, rel. 2