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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
other information
Study period:
Not reported
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: This study has been used in the OECD SIDS 1998 but was unavailable for review

Data source

Reference
Reference Type:
secondary source
Title:
Unnamed
Year:
1998

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD TG 202 (1984)
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Details on test material:
Organic solid at 20 Degs C impurities unknown 94.9% purity
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
not applicable

Sampling and analysis

Analytical monitoring:
no
Details on sampling:
not reported

Test solutions

Details on test solutions:
5 concentrations 0.1, 0.32, 1.0, 3.2, 10 mg/l in dechlorinated tap water

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
not reported

Study design

Test type:
semi-static
Water media type:
not specified
Total exposure duration:
21 d
Post exposure observation period:
not reported

Test conditions

Hardness:
48 to 111 mg/l
Test temperature:
not reported
pH:
7.6 to 8.0
Dissolved oxygen:
not reported
Salinity:
not reported
Nominal and measured concentrations:
0.1, 0.32, 1.0, 3.2, 10 mg/l
Details on test conditions:
4 replicate; 10 daphnids per replicate. DMSO and HCO-4.0 (4:1 mixture 300 mg/l) added as solubilizer
Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
21 d
Dose descriptor:
EC50
Effect conc.:
4 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
reproduction
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
3.2 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
reproduction
Duration:
21 d
Dose descriptor:
LOEC
Effect conc.:
10 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
reproduction
Details on results:
not reported
Results with reference substance (positive control):
not reported
Reported statistics and error estimates:
not reported

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
Chronic toxicity to daphnia magna from Dicyclopentadiene over 21 days showed EC50 4.0 mg/l, NOEC 3.2 mg/l and LOEC 10 mg/l using OECD TG 202 (1984)
Executive summary:

This study has been cited in OECD SIDS 1998 but was unavailable for review. Chronic toxicity to daphnia magna from Dicyclopentadiene over 21 days showed EC50 4.0 mg/l, NOEC 3.2 mg/l and LOEC 10 mg/l using OECD TG 202 (1984)