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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Qualifier:
according to guideline
Guideline:
other: EG- Guideline C.l Akute Toxizität für Fische Richtline 84/449/EWG
Qualifier:
according to guideline
Guideline:
other: 67/548/EWG
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Reference substance name:
Benzoylchloride, 2,4-dichloro-
IUPAC Name:
Benzoylchloride, 2,4-dichloro-
Constituent 2
Chemical structure
Reference substance name:
2,4-dichlorobenzoyl chloride
EC Number:
201-936-4
EC Name:
2,4-dichlorobenzoyl chloride
Cas Number:
89-75-8
Molecular formula:
C7H3Cl3O
IUPAC Name:
2,4-dichlorobenzoyl chloride
Test material form:
other: clear liquid
Details on test material:
Purity: at least 99%, Storage: at 20 °C dark, because of the low water solubility Tween 80 was added.

Test solutions

Vehicle:
yes
Details on test solutions:
solvent: Tween 80

Test organisms

Test organisms (species):
Danio rerio (previous name: Brachydanio rerio)
Details on test organisms:
Source: West Aquarium 3422 Bad Lauterberg. Feeding: Tetra Min, Tetra Werke, Melle. Light/dark: 12h/12h, Before the experiment started lenght of the fish were measured of the different used charges. These animals did not participate.

Study design

Test type:
static
Limit test:
no
Total exposure duration:
96 h

Test conditions

Test temperature:
22+/-1 °C
pH:
pH: 7.8-8.4
Details on test conditions:
Acclimatisation 14 d before the experiment started. The illuminance above the fish basin had the intensity of 700 lux.

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
LC0
Effect conc.:
500 mg/L
Nominal / measured:
nominal
Duration:
96 h
Dose descriptor:
LC0
Effect conc.:
500 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
>= 500 - <= 710 mg/L
Nominal / measured:
nominal
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
>= 500 - <= 710 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
LC100
Effect conc.:
710 mg/L
Nominal / measured:
nominal
Reported statistics and error estimates:
Statistics: Probit analysis

Applicant's summary and conclusion

Conclusions:
The test results are an indication of the hydrolysis of the test item.