Registration Dossier
Registration Dossier
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EC number: 245-883-5 | CAS number: 23783-42-8
Long-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- long-term toxicity to aquatic invertebrates
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting 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
Data source
Reference
- Reference Type:
- other: QSAR
- Title:
- ECOSAR v1.11
- Author:
- US EPA
- Year:
- 2 013
- Bibliographic source:
- https://www.epa.gov/tsca-screening-tools/ecological-structure-activity-relationships-program-ecosar-whats-new-v20
Materials and methods
- Principles of method if other than guideline:
- QSAR method
Test material
- Reference substance name:
- 3,6,9,12-tetraoxotridecanol
- EC Number:
- 245-883-5
- EC Name:
- 3,6,9,12-tetraoxotridecanol
- Cas Number:
- 23783-42-8
- Molecular formula:
- C9H20O5
- IUPAC Name:
- 2,5,8,11-tetraoxatridecan-13-ol
- Test material form:
- liquid
- Details on test material:
- - Physical state: colorless liquid
Constituent 1
Results and discussion
Effect concentrations
- Dose descriptor:
- other: ChV value
- Effect conc.:
- 5 800 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Details on results:
- Time not specified. End point described as a ChV value.
Any other information on results incl. tables
The model also indicates that with increasing numbers of ethylene oxide units in the molecule, the toxicity of the next lowest member of the homologous series, 2 -(2 -(2 -methoxyethoxy)ethoxy)ethanol is predicted to be LD50=2.8g/L.
Applicant's summary and conclusion
- Executive summary:
A reliable QSAR describes the NOEC for the chronic toxicity in invertebrates to be 5800mg/l. The model also indicates that with increasing numbers of ethylene oxide units in the molecule, the toxicity further decreases.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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