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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1983

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 38412 Teil 11
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chlorobenzoyl chloride
EC Number:
210-194-0
EC Name:
2-chlorobenzoyl chloride
Cas Number:
609-65-4
Molecular formula:
C7H4Cl2O
IUPAC Name:
2-chlorobenzoyl chloride
Test material form:
other: Liquid
Specific details on test material used for the study:
Purity 99.5 %

Test solutions

Details on test solutions:
The substance was dissolved in water under hydrolytic conditions. Therefore the results can be assigned to the hydrolysis product 2-chlorobenzoic acid.

Test organisms

Test organisms (species):
Daphnia magna

Study design

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

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
5 780 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility

Applicant's summary and conclusion

Validity criteria fulfilled:
yes