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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
See attached the QMRF and QPRF for the QSAR model.
See also attached the chemical class information document.
Guideline:
other: REACH Guidance on QSARs R.6
Principles of method if other than guideline:
The ECOSAR User Manual, ECOSAR. A Computer Program for Estimating the Ecotoxicity of Indust
rial Chemicals (EPA-748-R-93-002)
Estimating Toxicity of Industrial Chemicals to Aquatic Organisms Using Structure Activity Relationshi
ps (EPA-748-R-93-001).
ECOSAR v1.11 Methodology Document.
ECOSAR v1.11 Operation Manual.
Specific details on test material used for the study:
SMILES: C1=CC(=C(C=C1C=O)O)O
Test organisms (species):
Daphnia sp.
Key result
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
107.261
Nominal / measured:
estimated
Remarks on result:
other: QSAR predicted value (Aldehydes)
Key result
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
529.295
Nominal / measured:
estimated
Remarks on result:
other: QSAR phenols predicted value

ECOSAR v1.11 predicted that the test substance has a 48 h-LC50 to daphnia of 107.261 mg/L based
on aldehydes and 529.295 mg/L based on phenols.

Validity criteria fulfilled:
not applicable
Conclusions:
The daphnia 48-h LC50 for the test substance was predicted to be 107.261 mg/L (EPI-Suite, ECOSAR
v1.11, lower value between class-specific (amides-acid) and neutral organic SAR estimations).

Description of key information

Key Study: Data from EPI-Suite, EPA (USA) / ECOSAR v1.11. The daphnia 48-h LC50 for the test substance was predicted to be 107.261 mg/L based on aldehydes and 529.295 mg/L based on phenols

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Dose descriptor:
LC50
Effect concentration:
529.295 mg/L

Additional information