Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1991
Report date:
1991

Materials and methods

Test guidelineopen allclose all
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Version / remarks:
4.4.1984
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method C.1 (Acute Toxicity for Fish)
Version / remarks:
Richtlinie 84/449/EWG:
Richtlinie der Kommission vom 25. April 1984 zur sechsten Anpassung der Richtlinie 67/548/EWG des Rates zur Angleichung der Rechts- und Verwaltungsvorschriften
für die Einstufung, Verpackung und Kennzeichnung gefährlicher Stoffe an den technischen Fortschritt.
Qualifier:
according to guideline
Guideline:
other: "Letale Wirkung beim Zebrabärblinq Brachvdanio rerio" (LCO, LC50, LC100; 48 - 96 STUNDEN) Empfehlung des Umweltbundesamtes zur Durchführung der Prüfung nach §4 Abs.l Nr.6 der Verordnung über Anmeldeunterlagen und Prüfnachweise nach dem Chemikaliengesetz.
Version / remarks:
Texte 16/84, Umweltbundesamt
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloro-6-fluorobenzaldehyde
EC Number:
206-860-5
EC Name:
2-chloro-6-fluorobenzaldehyde
Cas Number:
387-45-1
Molecular formula:
C7H4ClFO
IUPAC Name:
2-chloro-6-fluorobenzaldehyde
Test material form:
liquid

Test organisms

Test organisms (species):
Danio rerio (previous name: Brachydanio rerio)
Details on test organisms:
TEST ORGANISM
- Common name: Zebrabärbling (Brachydanio rerio)
- Strain: HAMILTON-BUCHANAN
- Source: West Aquarium, 3422 Bad Lauterberg
- Hatch date: 01.02.90 / 07.02.90 / 21.02.90
- Delivery date: 24.04.90 / 03.05.90 / 17.05.90
- Length at study initiation (length definition, mean, range and SD): 3 cm (2.7-3.3) S = 0.14

ACCLIMATION
- Acclimation period: 14 d
- Acclimation conditions (same as test or not): same
- Type and amount of food during acclimation: Tetra Hin, Tetra Werke, Melle
- Feeding frequency during acclimation: twice a day ad libitum
- Health during acclimation (any mortality observed): No mortality observed

Study design

Test type:
semi-static
Water media type:
other: Reconstituted water according to the composition according to ISO / DIN 7346/1 was used as the dilution water.
Total exposure duration:
96 h

Test conditions

Test temperature:
21.4-22.6°C
pH:
7.8-8.3
Dissolved oxygen:
7.3-8.8 mg/l
Nominal and measured concentrations:
The mean measured values were over 80% of the nominal concentration.

Results and discussion

Effect concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
LC100
Effect conc.:
22 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Key result
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
>= 10 - <= 22 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC0
Effect conc.:
5 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC100
Effect conc.:
22 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
14.8 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC0
Effect conc.:
10 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion