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Diss Factsheets
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EC number: 939-624-1 | 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
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013-03-20
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study performed according to OECD guideline but the study was not conducted under GLP conditions.
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
- Deviations:
- no
- Principles of method if other than guideline:
- Not relevant
- GLP compliance:
- no
Test material
- Reference substance name:
- reaction mass of 1-chloro-3-[(Z)-octadec-9-en-1-yloxy]propan-2-ol and alpha-(Z)-octadec-9-en-1-yl-omega-hydroxy-di[oxy[(chloromethyl)-1,2-ethanediyl]] and alpha-(Z)-octadec-9-en-1-yl-omega-hydroxy-tri[oxy[(chloromethyl)-1,2-ethanediyl]]
- Cas Number:
- 108726-95-0
- Molecular formula:
- C21H41O2Cl C24H46O3Cl2 C27H51O4Cl3
- IUPAC Name:
- reaction mass of 1-chloro-3-[(Z)-octadec-9-en-1-yloxy]propan-2-ol and alpha-(Z)-octadec-9-en-1-yl-omega-hydroxy-di[oxy[(chloromethyl)-1,2-ethanediyl]] and alpha-(Z)-octadec-9-en-1-yl-omega-hydroxy-tri[oxy[(chloromethyl)-1,2-ethanediyl]]
- Test material form:
- other: Liquid
- Details on test material:
- - Name of test material (as cited in study report): See confidential informations
- Storage condition of test material: At room temperature
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge: Treatment plant receiving predominantly domestic sewage (>98%), location: Maxéville (France)
- Storage conditions: Sampling date: 2013-03-19
- Preparation of inoculum for exposure: The sludge is centrifuged (1100 g for 10 minutes), the supernatant liquid is discarded and the sludge is re-suspended in the mineral medium and filtered (100µm). The washing and centrifuging process is repeated 3 times . Activated sludges were used within 24 h after sampling.
- Concentration of sludge: < 30 mg dry matter/L
- Water filtered: yes
- Type and size of filter used, if any: Inox sieve (100µm) - Duration of test (contact time):
- ca. 28 d
Initial test substance concentration
- Initial conc.:
- ca. 42.2 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST CONDITIONS
- Culturing apparatus: flask 1L
- Composition of medium: 10 mL of solution A + 1mL of solutions B, C and D, completed to 1L with ultra-pure water
Preparation of solution A: 8.5 g KH2PO4, 21.75 g K2HPO4, 33.4 g Na2HPO4.2H2O, 0.5 g NH4Cl per liter of ultra-pure water,
Preparation of solution B: 27.5 g CaCI2 per liter of ultra-pure water
Preparation of solution C: 22.5 g MgSO4.7H2O per liter of ultra-pure water
Preparation of solution D: 0.25 g FeCI3.6H2O per liter of ultra-pure water.
- Source/preparation of dilution water: ultra-pure water
- Test temperature: 20-24 °C
- pH (at start of test): no data
- Continuous darkness: Not specified
TEST SYSTEM
- Number of culture flasks/concentration: 5 bottles containing only inoculum, 3 bottles containing inoculum and test substance, and 3 bottles containing inoculumand sodium acetate
- Measuring equipment: Respirometer CES (measure of the O2)
- Test performed in closed vessels: Yes
- Preparation of flask: the test material is directly added in the flask conatining the mineral medium and the inoculum
SAMPLING
- Sampling method: Direct measure in the flasks
CONTROL AND BLANK SYSTEM
- Inoculum blank: flask containing mineral medium and inoculum
- Reference substance: flask containing mineral medium, inoculum and sodium acetate
- Abiotic sterile control: no
- Toxicity control: no
Reference substance
- Reference substance:
- acetic acid, sodium salt
Results and discussion
- Preliminary study:
- No preliminary test
- Test performance:
- ThDO = 2.37 mg O2/mg test item
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 14
- Sampling time:
- 4 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 50
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 60
- Sampling time:
- 24 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 66
- Sampling time:
- 28 d
- Details on results:
- The 10-day window for the test substance started on Day 4 and the test substance attained 50% of biodegradation on Day 14.
The oxygen consumption in the control was 29.3 mg at the test end.
The pH was 7.4 at the end of the test.
BOD5 / COD results
- Results with reference substance:
- The median percentage of degradation of the reference substance was 77% after 14 d.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable, but failing 10-day window
- Conclusions:
- Under the conditions of this study, the test substance, which doesn't satisfy the 10-d window and exhibits 66% of biodegradation after 28 days, is considered as readily biodegradable, but failing 10-day window, in accordance with the classification system of the EU (Directive 67/548/EC).
- Executive summary:
The aerobic biodegradation of the test item was studied in a ready biodegradation test according to OECD Guideline 301F. Test vessels consisted of flasks filled in with 1L of test suspension. Sewage sludge was used as biological inoculum. Sewage sludge was sampled on a waste water treatment plant feeding on domestic sewage. The medium composition was compliant with OECD Guideline requirements. The following treatments were applied: inoculum blank (biological inoculum only), test item (biological inoculum + test substance) and procedure control (reference substance + biological inoculum). Acetic acid, sodium salt was used as reference substance. The concentration of the test item was 42.2 mg/L, corresponding to a ThDO of 100 mg/L
Test vessels were incubated for 28 days at 20-24°C. The O2 consumption was measured by automatic respirometer CES.
The biodegradation of the test item was ca. 13% after 4 days and reached 50% after 14 days and 66% after 28 days.
Under the test conditions, the test item must be regarded as readily biodegradable but failing 10 -day window.
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