Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 t-BuTPP are listed in the table below:



Test species




American Society for Testing and Materials. 1980. The annual book of ASTM standards: standard practice for conducting acute toxicity tests with fishes, macroinvertebrates and amphibians. Designation E719-80. Philadelphia, PA

Ictalurus punctatus


0.8 mg/l Fyrquel GT

Key study, rel. 2

Field study

Daphnia magna


202 ug/l S-154

Key study, rel. 2

US EPA, 1971. Algal Assay Procedure: Bottle test. National Eutrophication Research Program, Pacific Northwest Water Laboratory, Corvallis, Oregon

Selenastrum capricornutum

96h-EC50 growth rate

3.0 mg/l S-154

Key study, rel. 2

Comparable to OECD 215

Pimephales promelas

90d-NOEC mortality

90d-NOEC reproduction

0.093 mg/l Fyrquel GT

0.194 mg/l Fyrquel GT

Key study, rel. 2

Comotto, R.M., 1979. Draft proposed standard practice fo conducting renewal life cycle toxicity tests with Daphnids. Task Group of ASTM Subcommittee E35.21 on Safety to Man and the Environment, draft no 5.

Daphnia magna

21d-NOEC reproduction

0.0399 mg/l Santicizer 154

Key study, rel. 2

OECD201 Freshwater Alga and Cyanobacteria, Growth Inhibition Test

Pseudokirchneriella subcapitata


 0.05 mg Phosflex 71B/L

  Key study, rel. 1

Based on the above data t-BuTPP is classified as hazardous to the aquatic environment.