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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

The acute toxicity of Cyclohexane, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethyl-, homopolymer, caprolactam-blocked to fish (zebra fish) was determined according to OECD-Guideline for Testing of Chemicals No. 203 (1992) at Dr.U.Noack-Laboratorien, 31157 Sarstedt, Germany. A semi-static limit test with daily renewal of the test media was performed with the saturated solution* of nominal 1 mg test item/L. 
The duration of the test was 96 h. Seven test organisms were exposed to the saturated solution and the control. The substance was found to cause no toxic effects to Zebrafish after 96 hours when tested with a saturated solution. The LC50 after 96 hours is >0.00495 mg/L.

Key value for chemical safety assessment

Additional information