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Ecotoxicological information

Toxicity to terrestrial plants

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Administrative data

Endpoint:
toxicity to terrestrial plants: short-term
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
review article or handbook
Title:
Reaxys ID : 742030
Year:
2011
Bibliographic source:
Reaxys by Elsevier Properties SA; Wang, Xiaodong; Sun, Cheng; Wang, Liansheng; Han, Shuokui; Environmental Toxicology and Chemistry; vol. 20; nb. 4; (2001); p. 913 - 916

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Germination test:- Semistatic exposure of 15 seeds germinated in solution of test compounf for 48 h in dark at 25 deg C and pH 6.75; The germination rate was calculated.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
4-fluoroaniline
EC Number:
206-735-5
EC Name:
4-fluoroaniline
Cas Number:
371-40-4
Molecular formula:
C6H6FN
IUPAC Name:
4-fluoroaniline
Details on test material:
- Name of test material: 4-fluoroaniline
- Molecular formula: C6H6FN
- Molecular weight: 111.12
- Substance type: Organic
- Physical state: Liquid

Sampling and analysis

Analytical monitoring:
not specified

Test substrate

Vehicle:
yes
Details on preparation and application of test substrate:
Kind of Dosing : solution of title compound in water was applied

Test organisms

Species:
Cucumis sativus
Plant group:
Dicotyledonae (dicots)

Study design

Test type:
seed germination/root elongation toxicity test
Study type:
laboratory study
Substrate type:
other: solution of title compound
Total exposure duration:
48 h

Test conditions

Test temperature:
25 deg C;
pH:
6.75
Details on test conditions:
15 seeds were germinated in solution of title compound for 48 h by semistatic exposure in dark at 25 deg C and pH 6.75
Control used: without test compound
Nominal and measured concentrations:
6 concentrations from no effect to 100 percent inhibition concentrations were used

Results and discussion

Effect concentrations
Species:
Cucumis sativus
Duration:
48 h
Dose descriptor:
other: GC50
Effect conc.:
519 other: mg/l
Nominal / measured:
meas. (not specified)
Conc. based on:
dissolved
Basis for effect:
germination
Remarks on result:
other: log 1/GC50 = 2.33

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The GC50 (inhibited germination rate by 50 percent) value of 4-fluoroaniline to Cucumis sativus during a 48 hr exposure is 519 mg/L.
Executive summary:

The GC50 (inhibited germination rate by 50 percent) value of 4-fluoroaniline to Cucumis sativus during a 48 hr exposure is 519 mg/L.