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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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)
Rationale for reliability incl. deficiencies:
other: Insufficient documentation for evaluation of study quality is available. However, study was accepted by authorities in context of ELINCS notification.

Data source

Reference
Reference Type:
other: SNIF report
Title:
Unnamed
Year:
1991

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 84/449/EWG, C.2; OECD 202
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(phenylmethoxy)naphthalene
EC Number:
405-490-3
EC Name:
2-(phenylmethoxy)naphthalene
Cas Number:
613-62-7
Molecular formula:
C17H14O
IUPAC Name:
2-(benzyloxy)naphthalene
Test material form:
not specified

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
yes
Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Aceton

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
not specified
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h

Test conditions

Hardness:
350 mg CaCO3/L
Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 0.41 mg/L
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
> 0.41 mg/L
Details on results:
%Concentration loss over test: 59 ...

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The effect threshold EC50 (48 h) is estimated to be > 0.41 mg/L.