3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-indene

Long-term toxicity to aquatic invertebrates

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

Guideline:

other: OECD TG 202 (1984)

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

3a,4,7,7a-tetrahydro-4,7-methanoindene

EC Number:

201-052-9

EC Name:

3a,4,7,7a-tetrahydro-4,7-methanoindene

Cas Number:

77-73-6

Molecular formula:

C10H12

IUPAC Name:

3a,4,7,7a-tetrahydro-1H-4,7-methanoindene

Constituent 2

Reference substance name:

Dicylopentadiene

IUPAC Name:

Dicylopentadiene

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 concentrations

Effect concentrations 1

Duration:

21 d

Dose descriptor:

EC50

Effect conc.:

4 mg/L

Nominal / measured:

not specified

Conc. based on:

not specified

Basis for effect:

reproduction

Effect concentrations 2

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

Effect concentrations 3

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)