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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable publication

Data source

Reference
Reference Type:
publication
Title:
A method for aquatic multiple species toxicant testing acute toxicity of 10 chemicals to 5 vertebrates and 2 invertebrates.
Author:
Phipps and Holcombe
Year:
1985
Bibliographic source:
Environ. Pollut. (Oxford, U.K.), Ser. A, 38: 141-158

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzaldehyde
EC Number:
202-860-4
EC Name:
Benzaldehyde
Cas Number:
100-52-7
Molecular formula:
C7H6O
IUPAC Name:
benzaldehyde
Details on test material:
- Name of test substance (as cited in study report): benzaldehyde

Test organisms

Test organisms (species):
Lepomis macrochirus

Study design

Test type:
flow-through
Water media type:
freshwater
Total exposure duration:
96 h

Test conditions

Hardness:
40.7 - 57 mg CaCo3
Test temperature:
22.5 +/- 0.4 °C
pH:
7.1 - 7.8
Dissolved oxygen:
4 - 8.4 mg/L (equals at least 60 % of the saturation limit)
Details on test conditions:
TEST SYSTEM
- Test vessel: glass aquaria (50 x 25 x 30 cm) with an 18 cm standpipe that produced a tank volume of 22.5 l; each glass tank was divided into six 16.6 x 12.5 cm wide compartments using stainless steel screen dividers
- Flow rates: 130 ml/min
- Photoperiod: 16 hours
- Test water: obtained from Lake Superior and heated to the appropriate test temperature

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
1.07 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion