Registration Dossier
Registration Dossier
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EC number: 294-954-7 | CAS number: 91771-61-8 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Cymbopogon winterianus, Gramineae.
Toxicity to other aquatic organisms
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to other aquatic vertebrates
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Short summary of data in the abstract of a scientific publication. Many test details (test conditions, testing period) were not available in the abstract. Composition of test material is outside composition ranges as defined in section 1.2.
- Qualifier:
- no guideline followed
- GLP compliance:
- not specified
- Analytical monitoring:
- no
- Vehicle:
- no
- Test organisms (species):
- other: Artemia salina and Biomphalaria glabrata
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- no
- Dose descriptor:
- other: LC90
- Effect conc.:
- 97 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Remarks on result:
- other: Toxicity towards Biomphalaria glabrata
- Dose descriptor:
- LC50
- Effect conc.:
- 54 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Remarks on result:
- other: Toxicity towards Biomphalaria glabrata
- Dose descriptor:
- other: LC20
- Effect conc.:
- 22 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Remarks on result:
- other: Toxicity towards Biomphalaria glabrata
- Dose descriptor:
- LC50
- Effect conc.:
- 181 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Remarks on result:
- other: Toxicity towards hatched larvae of Artemia salina
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The toxicity (LC50) of the essential oil of Cymbopogon winterianus towards Biomphalaria glabrata and hatched larvae of Artemia salina is 54 and 181 mg/L respectively.
- Executive summary:
The toxicity of the essential oil of Cymbopogon winterianus towards Biomphalaria glabrata and hatched larvae of Artemia salina was investigated by exposing these organisms to concentrations ranging from 10 to 1000 mg/L. The toxicity (LC50) was found to be 54 and 181 mg/L for Biomphalaria glabrata and hatched larvae of Artemia salina respectively.
Reference
Description of key information
The toxicity (LC50) of the essential oil of Cymbopogon winterianus towards Biomphalaria glabrata and hatched larvae of Artemia salina is 54 and 181 mg/L respectively.
Additional information
The toxicity of the essential oil of Cymbopogon winterianus towards Biomphalaria glabrata and hatched larvae of Artemia salina was investigated by exposing these organisms to concentrations ranging from 10 to 1000 mg/L. The toxicity (LC50) was found to be 54 and 181 mg/L for Biomphalaria glabrata and hatched larvae of Artemia salina respectively.
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