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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
QSAR prediction

Data source

Reference
Reference Type:
publication
Title:
BUA-Stoffbericht 265 - 2-Chlorbezonitril, 4-Chlorbenzonitril
Author:
n.a.
Year:
2006
Bibliographic source:
Beratergremium für Altstoffe (BUA) der Gesellschaft Deutscher Chemiker, S.Hirzel Wissenschaftliche Verlagsgesellschaft

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
QSAR; calculation on basis of log Kow using EPISUITE 3.12 (US-EPA 2004)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chlorobenzonitrile
EC Number:
212-836-5
EC Name:
2-chlorobenzonitrile
Cas Number:
873-32-5
Molecular formula:
C7H4ClN
IUPAC Name:
2-chlorobenzonitrile
impurity 1
Reference substance name:
unknown
IUPAC Name:
unknown
Test material form:
solid

Test organisms

Test organisms (species):
Daphnia sp.

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
72 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
The calculated 48-h EC50 of 2-chlorobenzonitrile for Daphnia using EPISUITE 3.12 (US-EPA 2004) is 72 mg/L.
Executive summary:

As no experimental data are available the 48-h EC50 of 2-chlorobenzonitrile for Daphnia was calculated using EPISUITE 3.12 (US-EPA 2004). The calculated 48-h EC50 is 72 mg/L.