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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

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:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
1981

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Principles of method if other than guideline:
Inhouse methode of Hoechst AG, similar to OECD 203
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chlorobenzoyl chloride
EC Number:
204-515-3
EC Name:
4-chlorobenzoyl chloride
Cas Number:
122-01-0
Molecular formula:
C7H4Cl2O
IUPAC Name:
4-chlorobenzoyl chloride
Constituent 2
Reference substance name:
p-Chlorbenzoylchlorid
IUPAC Name:
p-Chlorbenzoylchlorid
Details on test material:
Analytical purity of initial test material: 99%
Hydrolysis to 4-chlorbenzoic acid under the test conditions is likely.
No analytical monitoring.

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Leuciscus idus melanotus
Details on test organisms:
Source: Paul Eggers, Hohenwestedt, Germany
Length at study initiation (mean, range and SD): 6.0 cm, 5.4 - 6.6 cm, 0.36 cm
Acclimation period: 14 days

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
96 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
LC0
Effect conc.:
63 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
96 h
Dose descriptor:
LC0
Effect conc.:
56 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
80.7 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Remarks on result:
other: 76.1 - 85.6
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
77.6 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Remarks on result:
other: 72.6 - 83.1
Duration:
48 h
Dose descriptor:
LC100
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
96 h
Dose descriptor:
LC100
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion

Conclusions:
From this study LC0 (48 h and 96 h) for 4-Chlorobenzoyl chloride was determined to be 63 mg/L and 56 mg/L respectivly, LC50 (48 h and 96 h) to be 80.7 mg/L and 77.6 mg/L respectivly and LC100 (48 h and 96 h) to be 100 mg/L.