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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Overview of short and long-term aquatic toxicity studies for HHCB in fresh and marine water


































































Test species



Guideline



Results (mg/L)



Remarks



Short-term



 



 



 



Pseudokirchneriella subcapitata



OECD TG201



72h-ErC50> 0.854


(mean measured concentrations)



Key study, K1


Van Dijk 1997



Daphnia magna



OECD TG202



48h EC50 = 0.194


(nominal; measured concentrations are ca. 100% of nominal)



Key study, K2


Chen et al. 2015



Oryzias latipes (larvae)



similar to OECD TG 203



96h-LC50 = 0.95 


semi-static


(nominal concentrations)



Key study, K2


Yamauchi et al. 2008



Long-term



 



 



 



Pseudokirchneriella subcapitata



OECD TG201



72h-NOEC = 0.201 


(mean measured)



Key study, K1


Van Dijk 1997



Daphnia magna



OECD TG211



21d-NOECrep = 0.111


21d-EC50rep = 0.282 


21d-EC50(immob) = 0.293  


semi-static (mean measured concentrations)



Key study, K1


Wüthrich 1996a



Pimephales promelas



OECD TG210



36d-NOEC= 0.068 based on


survival, growth & development


36d-LC50 >0.140


(mean measured concentration)



Key study, K1


Croudace 1997



Microorganisms



OECD TG301D



5d-NOEC = 10



Key study, K2


Jenkins, 1991



 


Marine water




































Test species



Guideline



Results (mg/l)



Remarks



Short-term - invertebrates



 



 



 



Acartia tonsa



OECD TG 202



48h-EC50: 0.47


(nominal concentrations)



Key study, Kl. 2


Wollenberger et al. 2003



Long-term - invertebrates



 



 



 



Acartia tonsa



Draft OECD guideline*



6d-EC10 development: 0.044


6d-NOEC development: 0.038


6d-EC50 development: 0.131


With radiolabel and nominal concentrations used.



Key study, Kl. 2


Bjornstad, 2007



For Acartia the testing procedure is an OECD draft guideline (2013):Harpacticoid Copepod Development and Reproduction Test with Amphiascus tenuiremis:  https://www.oecd.org/env/ehs/testing/OECD%20TG%20Harpacticoid%20Copepod_Draft%20for%20REVIEW_15%20July%202013.pdf   


 

Additional information