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EC number: 281-092-1 | CAS number: 83863-30-3 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Cananga odorata, Annonaceae.
- 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 fish
Administrative data
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19 Jan 2018 - 14 March 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- Version / remarks:
- 1992
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: Guidance document on aquatic toxicity testing of difficult substances and mixtures, OECD series on testing and assessment number 23
- Version / remarks:
- 2000
- GLP compliance:
- yes
- Specific details on test material used for the study:
- Identification: Ylang Ylang III
Appearance: Pale yellow clear liquid
Batch: 17106567
Purity/Composition: UVCB
Test item storage: At room temperature
Stable under storage conditions until: 30 November 2019 (expiry date)
Additional information
Test Facility test item number: 208293/C
Purity/Composition correction factor: No correction factor required
Test item handling: No specific handling conditions required
Chemical name (IUPAC, synonym or trade name: Ylang Ylang III oil
CAS number: 83863-30-3 (8006-81-3)
Irritant or corrosive: Yes
Specific gravity / density: 0.914 - Analytical monitoring:
- yes
- Remarks:
- TOC to confirm WAF procedure
- Details on sampling:
- Samples for possible analysis were taken from all test concentrations and the control according to the schedule below.
Frequency at t=0 h and t=96 h
Volume 40 mL
Storage Samples were stored in a refrigerator (2-8°C) until analysis
Additionally, reserve samples of 40 mL were taken from all test solutions for possible analysis. If not already used, these samples were stored in a refrigerator (2-8°C) for a maximum of three months after delivery of the draft report, pending on the decision of the sponsor for additional analysis. - Vehicle:
- no
- Details on test solutions:
- The batch of Ylang Ylang III tested was a pale yellow clear liquid. The test item was a UVCB and not completely soluble in test medium at the loading rates initially prepared. No correction was made for the purity/composition of the test item. During preparation of test solutions the test item was treated as being possibly volatile. Preparation of test solutions started with loading rates individually prepared at concentrations ranging from 0.10 to 100 mg/L. A two-day period of magnetic stirring in closed vessels with minimal headspace in the dark was applied to ensure maximum dissolution of the test item in medium. The obtained aqueous mixtures were allowed to settle overnight. Thereafter, the Water Accommodated Fractions (WAFs) were collected by means of siphoning and microscopically inspected for the presence of undissolved test material. Any residual volumes were discarded.
- Test organisms (species):
- Cyprinus carpio
- Details on test organisms:
- TEST ORGANISM
Species: Carp (Cyprinus carpio, Teleostei, Cyprinidae) Linnaeus, 1758
Source: Zodiac, proefacc, "De Haar Vissen", Wageningen University and Research Centre, The Netherlands.
Mean length*: Range-finding test: 3.1 ± 0.4 cm cm, Final test: 2.5 ± 0.1 cm
Mean weight*: Range-finding test: 0.51 ± 0.21 g, Final test: : 0.17 ± 0.03 g
Characteristics: F1 from a single parent-pair bred in UV-treated water.
Reason for selection: This system has been selected as an internationally accepted species.
Total fish used: 54
* Ten fish of the batch used for the test, were weighed and measured prior to the start of the test.
ACCLIMATION
Quarantine/Acclimatisation: At least 12 days after delivery
Medium: Adjusted ISO medium, formulated using RO-water (tap-water purified by reverse osmosis; GEON Waterbehandeling, Berkel- Enschot, The Netherlands) with the following composition:
CaCl2.2H2O 211.5 mg/L
MgSO4.7H2O 88.8 mg/L
NaHCO3 46.7 mg/L
KCl 4.2 mg/L
Measurements: Conductivity, pH, nitrate, nitrite and ammonia concentration: once a week. Temperature: continuous. In addition, pH and temperature were measured before transferring the fish to the test system.
Water quality: parameters Were kept within the optimum limits for the respective fish species.
Feeding: Daily with pelleted fish food (Essence (300-500 um), Coppens International bv, Helmond, The Netherlands)
Validity of batch: In the batch of fish used for the test, mortality during the seven days prior to the start of the test was less than 5%.
FEEDING DURING TEST
No feeding from 24 hours prior to the test and during the total test period - Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 96 h
- Hardness:
- 180 mg CaCO3 per litre
- Test temperature:
- 20-24°C
- pH:
- Start of test (0 hr): 7.8- 8.0
End of test (96hr): 7.3 - 7.6 - Dissolved oxygen:
- Start of test (0 hr): 8.6 - 9.2
End of test (96hr): 4.8 - 6.2 - Nominal and measured concentrations:
- Nominal: WAFs prepared at loading rates of 4.6, 10, 22, 46 and 100 mg/L.
Measured TOC concentrations corrected for the control treatment
Loading rate (mg/L): control, 4.6, 10, 22, 46 and 100 mg/L.
TOC (t=0hr): n.a, n.a, 0.48, 1.6, 4.1 and 7.1 mg/L
TOC (t=96hr): n.a, n.a, 0.18, 0.78, n.a and n.a mg/L
n.a. – not applicable - Details on test conditions:
- TEST SYSTEM
- Test duration: 96 hours
- Test type: Static
- Test vessels: 3.2 litres, all-glass, closed with no headspace
- Number of fish: 7 per concentration
- Loading: 0.37 g fish/Litre, i.e. 7 fish per 3.2 litres of test medium
- Aeration: The test media were not aerated during the test.
- Introduction of fish: Within 30 minutes after preparation of the test media from a holding tank with comparable water quality parameters and pH and temperature differences between test and holding tank media of less than 0.5 unit and 1.0°C.
TEST MEDIUM / WATER PARAMETERS
- Test medium: Adjusted ISO medium with a hardness of 180 mg CaCO3 per litre and a pH of 7.7 ± 0.3.
- Intervals of water quality measurement: dissolved oxygen content, pH and temperature were recorded daily in all vessels with surviving fish beginning at the start of the test (day 0).
OTHER TEST CONDITIONS
- Adjustment of pH: No
- Illumination: 16 hours photoperiod daily
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) :
- Mortality and other effects: At 2¾, 24, 48, 72 and 96 hours following the start of exposure. In addition, every afternoon from day 0 to observe for any dead or severely distressed fish. Dead fish were removed when observed
TERMINAL PROCEDURES
Euthanasia: At the end of the test the surviving fish were rapidly killed by exposing them to ca. 1.2% ethylene glycol monophenylether in water.
TEST CONCENTRATIONS
- Spacing factor for test concentrations: 2.2
- Range finding study : was performed to provide information about the range of concentrations to be used in the final test. Test procedure and conditions were similar to those applied in the final test with the following exceptions:
• Three fish per concentration were exposed to WAFs prepared at 0.10, 1.0, 10 and 100 mg/L.
• Dissolved oxygen concentrations, pH and temperature were only measured in the lowest and the highest test concentration with surviving fish.
• Additional samples for TOC analysis were taken from the WAF at 100 mg/L when all fish had died after 24 hours of exposure.
- Results used to determine the conditions for the definitive study: yes. All fish exposed to the WAF at 100 mg/L died within 24 hours. No mortality was observed at any of the lower WAFs during the test period. The expected LL50 was between WAFs prepared at loading rates of 10 and 100 mg/L. - Reference substance (positive control):
- yes
- Remarks:
- pentachlorophenol (PCP)
- Key result
- Duration:
- 96 h
- Dose descriptor:
- LL50
- Effect conc.:
- 32 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: 95%-confidence interval (22 -46 mg/L)
- Details on results:
- Measured Concentrations:
It should be noted that concentrations below 1.0 mg TOC/L are only indicative. Nevertheless, an increase with the loading rate at the start of the test was observed.
Since TOC-analysis is a non-specific method, the effect parameters were reported in terms of loading rates initially prepared.
Mortality and Other Effects:
All fish exposed to the WAFs at 46 mg/L and higher died within 24 hours. No mortality was observed at any of the lower WAFs during the test period.
Acceptability of the Test
1. No mortality was observed in the control at the end of the test.
2. Test conditions were maintained constant throughout the test.
3. The dissolved oxygen concentration has been at least 60% of the air saturation value throughout the test (>5 mg/L at 22°C), except for a slight deviation in the WAF at 22 mg/L at the end of the test.
4.No specific analysis on water samples was performed. Effects were based on loading rates.
Oxygen concentration in the WAF at 22 mg/L was 4.8 mg/L at the end of the test and therewith just below 60% of the air saturation value. No mortality or clinical effects were observed at this WAF at the end of the test. - Results with reference substance (positive control):
- Under the conditions of the present test, all carp exposed to a PCP concentration of 0.46 mg/L died within 24 hours, while no mortality occurred at 0.10 and 0.22 mg/L. The 96h-LC50 for carp exposed to PCP was 0.32 mg/L (95 % confidence interval between 0.22 and 0.46 mg/L). This effect was already reached within 24 hours of exposure.
The range of the 96h-LC50 for carp is generally between 0.10 and 0.46 mg/L based on historical data of reference tests performed approximately every 3 months from April 1988 until the end of 2000, and annually since then. Hence, the sensitivity of carp originating from the present batch for PCP falls within the range of sensitivities generally observed during the past years. - Reported statistics and error estimates:
- The LL50 could not be determined using the maximum likelihood estimation method with the probits of the percentages of dead fish as function of the logarithms of the corresponding loading rates. This was because there was no concentration between the highest loading rate (A) at which 0% mortality and the lowest loading rate (B) at which 100% mortality occurred. Instead, the LL50 was calculated as (AB)½, with A and B being limits of the 95% confidence interval.
- Sublethal observations / clinical signs:
Incidence of Mortality and Total Mortality during the Final Test
Ylang Ylang III,
Loading rate (mg/L)Initial
Number
of fishCumulative mortality
Total
Mortality (%)
2¾h
24h
48h
72h
96h
Control
7
0
0
0
0
0
0
4.6
7
0
0
0
0
0
0
10
7
0
0
0
0
0
0
22
7
0
0
0
0
0
0
46
7
0
7
7
7
7
100
100
7
3
7
7
7
7
100
Clinical Effects Observed during the Final Test
Ylang Ylang III
Loading rate (mg/L)Time of
recording
(hours)Specification of effects
Relative
numberControl, 4.6, 10
22
46
100
2¾-96
2¾-24
48
72-96
2¾
2¾
No abnormalities
No abnormalities
Swimming at the surface
No abnormalities
Immobile
Loss of equilibrium
Immobile
7/7
7/7
7/7
7/7
3/7
4/7
4/4
- Validity criteria fulfilled:
- yes
- Remarks:
- see details on results
- Conclusions:
- In conclusion, the 96h-LL50 for carp exposed to Ylang Ylang III was 32 mg/L based on loading rates (95% confidence interval between 22 and 46 mg/L) and was already reached after 24 hours of exposure.
- Executive summary:
An evaluation of acute toxic effects of Ylang Ylang III in Cyprinus carpio was investigated in accordance to GLP and OECD 203 guidelines. Based on the results of a preceding range-finding test, Water Accommodated Fractions (WAFs) were individually prepared at loading rates of 4.6, 10, 22, 46 and 100 mg/L and used as test concentrations. Seven fish per group were exposed to a control and to the WAFs under static conditions.The total exposure period was 96 hours and samples for Total Organic Carbon (TOC) analysis were taken at the start and at the end of the test. Due to the potential volatile nature of the test item, the exposure was performed in airtight closed vessels with headspace reduced to a minimum. TOC-analysis is a non-specific method and the test substance is a UVCB, therefore the effect parameters were reported in terms of loading rates initially prepared. All fish exposed to the WAFs at 46 mg/L and higher died within 24 hours. No mortality was observed at any of the lower WAFs during the test period. The study met the acceptability criteria prescribed by the study plan and was considered valid. In conclusion, the 96h-LL50 for carp exposed to Ylang Ylang III was 32 mg/L based on loading rates (95% confidence interval between 22 and 46 mg/L) and was already reached after 24 hours of exposure.
- Endpoint:
- short-term toxicity to fish
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The result derived from read across is sufficiently reliable because all Annex XI criteria are met.
- Justification for type of information:
- The full read across justification report is attached under "Attached justification".
02 May 2018 READ-ACROSS STUDY - YY EXT/I/II - FISH ACUTE TOX I&B9W8768R001F1.0
Executive Summary
According to Annex VIII, 9.1.3 of the REACh Regulation (EC) No 1907/2006, Short-term toxicity on fish (Fish acute toxicity) is standard information required for the registration of substances manufactured or imported in quantities of ten tonnes per year or more. However, according to Annex XI, 1.5 of the REACH Regulation, Read-across and grouping approaches can be used to adapt the standard testing regime. This read-across study report follows notably the recommendations made by the European Chemicals Agency in its “Guidance on information requirements and chemical safety assessment Chapter R.6 – QSARs and grouping of chemicals” (ECHA, 2008) and in its document “Read-Across Assessment Framework (RAAF)” (ECHA, 2017).
A read-across approach appears appropriate to predict the endpoint “Fish acute toxicity” for the substance Ylang Ylang Extra/I/II because:
A fish 96-hour toxicity study, according to OECD test guideline 203, is available for the substance Ylang Ylang III oil, which has similar composition to the target substance, with some variations mostly in the concentrations of the constituents.
The compositions of these source and target UVCBs are very close to one another, because the raw material and the distillation process are similar.
All constituents have a sesquiterpene chemical structure, and are thus expected to have similar toxicological properties based on the known non-polar narcosis mode of action of this type of chemical structures.
This prediction intends to provide acute fish toxicity information to assess the classification for aquatic environmental hazards according to the CLP Regulation EC/1272/2008.
By means of this read-across approach, vertebrate animal testing is avoided.
This report follows the RAAF method and so presents:
1) The hypothesis: analogue read-across approach, based on the similarity of the chemical compositions of both UVCB substances, and the absence of significant difference between the concentrations of the constituents regarding the considered endpoint.
2) The scientific justifications (“Assessment Elements”) and their evaluation (“Assessment Options”); which demonstrates the confidence that can be put in this prediction.
3) The conclusions, usable for classification assessment or risk assessment, which are summarised hereafter. - Reason / purpose for cross-reference:
- read-across source
- Test organisms (species):
- Cyprinus carpio
- Total exposure duration:
- 96 h
- Key result
- Duration:
- 96 h
- Dose descriptor:
- LL50
- Effect conc.:
- 32 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: 95%-confidence interval (22 -46 mg/L)
- Conclusions:
- In conclusion, based on the results of the carp study for the read-across substance Ylang Ylang III oil, the 96h-LL50 for fish exposed to Ylang Ylang I&II was 32 mg/L based on loading rates (95% confidence interval between 22 and 46 mg/L).
- Executive summary:
Acute toxic effects of Ylang Ylang I&II in fish is read across from the results of an experimental study with Ylang Ylang III, where Cyprinus carpio was investigated in accordance to GLP and OECD 203 guidelines. Based on the results of a preceding range-finding test, Water Accommodated Fractions (WAFs) were individually prepared at loading rates of 4.6, 10, 22, 46 and 100 mg/L and used as test concentrations. Seven fish per group were exposed to a control and to the WAFs under static conditions.The total exposure period was 96 hours and samples for Total Organic Carbon (TOC) analysis were taken at the start and at the end of the test. Due to the potential volatile nature of the test item, the exposure was performed in airtight closed vessels with headspace reduced to a minimum. TOC-analysis is a non-specific method and the test substance is a UVCB, therefore the effect parameters were reported in terms of loading rates initially prepared. All fish exposed to the WAFs at 46 mg/L and higher died within 24 hours. No mortality was observed at any of the lower WAFs during the test period. The study met the acceptability criteria prescribed by the study plan and was considered valid. In conclusion, the 96h-LL50 for carp exposed to Ylang Ylang III was 32 mg/L based on loading rates (95% confidence interval between 22 and 46 mg/L) and was already reached after 24 hours of exposure.
Referenceopen allclose all
Description of key information
Acute toxic effects of Ylang Ylang I&II in fish is read across from the results of an experimental study with Ylang Ylang III, where Cyprinus carpio was investigated in accordance to GLP and OECD 203 guidelines. Based on the results of a preceding range-finding test, Water Accommodated Fractions (WAFs) were individually prepared at loading rates of 4.6, 10, 22, 46 and 100 mg/L and used as test concentrations. Seven fish per group were exposed to a control and to the WAFs under static conditions.The total exposure period was 96 hours and samples for Total Organic Carbon (TOC) analysis were taken at the start and at the end of the test. Due to the potential volatile nature of the test item, the exposure was performed in airtight closed vessels with headspace reduced to a minimum. TOC-analysis is a non-specific method and the test substance is a UVCB, therefore the effect parameters were reported in terms of loading rates initially prepared. All fish exposed to the WAFs at 46 mg/L and higher died within 24 hours. No mortality was observed at any of the lower WAFs during the test period. The study met the acceptability criteria prescribed by the study plan and was considered valid. In conclusion, the 96h-LL50 for carp exposed to Ylang Ylang III was 32 mg/L based on loading rates (95% confidence interval between 22 and 46 mg/L) and was already reached after 24 hours of exposure.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 32 mg/L
Additional information
Based on loading rate.
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