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EC number: 941-319-3 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Esterification products of Grape seeds, Vitis vinifera L. (Vitaceae), extract with hexadecanoyl chloride
- EC Number:
- 941-319-3
- Molecular formula:
- Unknown (Substance of Unknown or Variable Composition)
- IUPAC Name:
- Esterification products of Grape seeds, Vitis vinifera L. (Vitaceae), extract with hexadecanoyl chloride
- Test material form:
- solid: particulate/powder
1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- Selection of the test system was made following the proposal of the guidelines.
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- The dilution water was used as daphnia medium during the test. Dilution water specifications have been stated in attached study report on point 6.4 Dilution Water.
Deionised water with an enrichment of certain minerals (as demanded in the guidelines) is used in the test.
Weighted loads may vary within 5 %.
After preparation, the dilution water was aerated.
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- Selection of the test system was made following the proposal of the guidelines. 22 hours before the start of the test, the adult animals were separated from the young. 0.5 hours before test start, the adults were caught with the help of a glass tube, and the newborn Daphnia, aged between 0 and 23 hours, were sieved from the medium and immediately placed into a 250 mL-beaker containing dilution water. After a settling-in period of 30 minutes, animals which showed no apparent damage were used for the test. Switching from M4-medium (husbandry) to Dilution water (test) has been shown not to cause any detrimental effects for test Daphnia.
Study design
- Test type:
- static
- Water media type:
- other: Deionised water with an enrichment of certain minerals (as required in the guidelines)
- Limit test:
- yes
- Total exposure duration:
- 48 h
- Post exposure observation period:
- Observation times 24 and 48 hours
Test conditions
- Test temperature:
- 18.3 - 20.4 °C
- pH:
- 7.7 (at 0h) - 7.7 (at 48h)
- Dissolved oxygen:
- 9.4 mg/L at 0 hour and 8.6 mg/L at 48 hours.
Results and discussion
Effect concentrations
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: 20 Daphnia were exposed to the test item for 48 hours in a static test system. The concentration showed no toxicity. None of the animals were immobilised in the control.
- Results with reference substance (positive control):
- Potassium dichromate K2Cr2O7 (CAS No. 7778-50-9) was used as positive control in a current reference study. The 24h-EC50 value was determined as 1.6 mg/L, lying within the demanded range of
the guideline of 0.6 – 1.7 mg/L. - Reported statistics and error estimates:
- No observations were made which might cause doubts concerning the validity of the study outcome. All validity criteria were met. The result of the test is considered valid.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Remarks:
- No observations were made which might cause doubts concerning the validity of the study outcome. All validity criteria were met. The result of the test is considered valid.
- Conclusions:
- According to the study report, Palmitoyl grape seed extract has no toxic potential against Daphnia magna STRAUS.
- Executive summary:
One valid experiment was performed. The study was performed using one concentration containing 100 mg/L. For the test concentration, 20 Daphnia were exposed to the test item for 48 hours in a static test system. After 24 and 48 hours, the immobilised Daphnia were counted. The concentration showed no toxicity. None of the animals were immobilised in the control. Potassium dichromate K2Cr2O7 (CAS No. 7778-50-9) was used as positive control in a current reference study. The 24h-EC50 value was determined as 1.6 mg/L, lying within the demanded range of the guideline of 0.6 – 1.7 mg/L. At the beginning and at the end of the test, the content of the test item in the test solutions was estimated using DOC-determination. Because of the very low solubility in test medium, no calculation from carbon content of the test item and DOC measurement was possible. The measured concentration in the treatment was in a similar low range as the blank control and near the LOQ. Therefore, the determination of the biological results was based on the nominal concentration which represents the nominal loading of the test item. The following results were determined for the test item Palmitoyl grape seed extract (species: Daphnia magna). 48h-NOEC ≥ 100 mg/L; 48h-LOEC > 100 mg/L; 24h-EC50 > 100 mg/L and 48h-EC50 > 100 mg/L
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