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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: The study was conducted in compliance with GLP standards. The study was carried out according to Guideline C.2. However, full study report is not available as the data is > 12 year old and summaries have been prepared using data provided by ECHA.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
413-920-6
EC Name:
-
Cas Number:
88949-33-1
Molecular formula:
C30H20N2O2
IUPAC Name:
3,6-bis({[1,1'-biphenyl]-4-yl})-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
Constituent 2
Reference substance name:
3,6- bis-biphenyl-4-yl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione
IUPAC Name:
3,6- bis-biphenyl-4-yl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Cremophor RH40, 100 mg/L

Test organisms

Test organisms (species):
Daphnia magna

Study design

Total exposure duration:
48 h

Test conditions

Hardness:
250 mg CaCO3/L

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Details on results:
%Concentration loss over test: 50

Applicant's summary and conclusion

Conclusions:
The study was conducted in compliance with GLP standards according to Guideline C.2. Cremophor RH40 was used as dispersant as the substance has low water solubility. The EC50 after 48 h was determined to be >100 mg/L.