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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Detoxification of specific organic substances by wet oxidation
Author:
T.L. Randall, P.V. Kopp
Year:
1980
Bibliographic source:
L. Water Polut. Control Fed. 52 (8), p. 2117-2130

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Fumaric acid
EC Number:
203-743-0
EC Name:
Fumaric acid
Cas Number:
110-17-8
Molecular formula:
C4H4O4
IUPAC Name:
but-2-enedioic acid

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
semi-static
Water media type:
freshwater
Total exposure duration:
48 h

Test conditions

Reference substance (positive control):
not specified

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
>= 211 - <= 212 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
weight

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
ready biodegradable