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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 studies available were conducted with the related substances Dresinate 835 A (Na-salt) , Resin 835 A or the potassium salt of hydrogenated rosin. A justification for read-across is given in section 13, Assessment report and evaluation report. A justification for disqualifying the invalid studies is in the evaluation report.

Schnurstein 2004. Acute Toxicity Zebra Fish, OECD 203: LC50(96h) = 5.4 mg/L

Bjornestad 1993. Acute Toxicity Zebra Fish, OECD 203: LC50(96h) >5 - <10 mg/L (invalid study)

Jung 1987. Acute Toxicity Leuciscus idus, OECD 203: LC50(96h) = 3.3 mg/L

(Anon) 2005. Acute toxicity Pimephalis promelas OECD203: LC50 1.7 mg/L (potassium salt of hydrogenated rosin)


Bjornestad 1993. Acute Toxicity Daphnia, OECD 202: EC50(48h) = 75.6 mg/L (WAFs)(invalid study)

(anon) 2005 Acute toxicity Daphnia: OECD 2002: EC50(48h)= 1.6 mg/L (potassium salt of hydrogenated rosin)


Petersen 1993. Algae Growth Inhibition, OECD 201: EC50(72h),growth rates = 18.3 mg/L (WAFs), EC50(72h),biomass =>10 - <20 mg/L (WAFs)(invalid study)

(Anon) 2005. Algal growth inhibition OECD 201: biomass EC50 16.6 mg/L (potassium salt of hydrogenated rosin)


Noack 1997, RA-A (1740-19-8), Activated sludge respiration inhibition, OECD 209: not toxic upt to 10 000 mg/L.