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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

- 21d-NOEC reproduction: 0.0399 mg/l

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
0.04 mg/L

Additional information

The available studies on the long-term aquatic toxicity of t-BuTPP towards invertebrates are listed in the table below:



Test species




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-EC50 mobility

21d-NOEC survival

21d-NOEC reproduction

0.273 mg/l Santicizer 154

0.04 - 0.10 mg/l Santicizer 154

0.04 - 0.10 mg/l Santicizer 154

Supporting study, GLP, 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

Miller, W.E., J.E. Greene and T. Shiroyama. 1978.

The Selenastrum capricornutum Printz algal assay

bottle test. EPA-600/19-78-018. Corvallis, OR..

Daphnia magna

Chironomus plumosus

Gammarus pseudolimnaeus

21d-NOEC reproduction

30d-NOEC emergence

90d-NOEC mortality

0.032 mg/l Fyrquel GT

0.036 mg/l Fyrquel GT

0.011 mg/l Fyrquel GT

Weight of evidence, rel. 2

EG&G, Bionomics, Protocol for conducting chronic toxicity tests with the water flea (Daphnia magna)

Daphnia magna

21d-NOEC mortality/reproduction

40 ug/l S-154

Supporting study, rel. 2