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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
m-phenoxybenzaldehyde
EC Number:
254-487-1
EC Name:
m-phenoxybenzaldehyde
Cas Number:
39515-51-0
Molecular formula:
C13H10O2
IUPAC Name:
3-phenoxybenzaldehyde

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h

Test conditions

Hardness:
262.4 mg/L CaC03
Test temperature:
20-21°C
pH:
ca. 8
Dissolved oxygen:
ca. 8.7 mg/L
Nominal and measured concentrations:
Effective concentrations ranged from 94.6 - 107.8% of nominal values in the freshly prepared media and from 12.7 - 51.5% of nominal values in the
media after 24 hours of exposure.

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
0.44 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Remarks on result:
other: 95% CL : 0.32 - 0.63 mg/L
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
0.16 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Remarks on result:
other: 95% CL : 0.14 - 0.19 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
On the basis of this study, the substance is to be classified as higly toxic to aquatic invertebrates.