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EC number: 839-734-9 | CAS number: 2290526-77-9
- 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:
- 2019-08-01 to 2019-10-18
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- anhydro-D-glucitol, 1-deoxy-1-(methylamino)-, N-[C8-10(even numbered) acyl] derivs.
- EC Number:
- 839-734-9
- Cas Number:
- 2290526-77-9
- Molecular formula:
- C15H29NO5 C17H33NO5
- IUPAC Name:
- anhydro-D-glucitol, 1-deoxy-1-(methylamino)-, N-[C8-10(even numbered) acyl] derivs.
- Test material form:
- liquid: viscous
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Duration of test (contact time):
- 28 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 63
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable, but failing 10-day window
- Conclusions:
- The biodegradation of the test item is shown graphically in Figure 1 in comparison to the readily
degradable functional control and the toxicity control. The mean of replicates reached the 10 %
level (beginning of biodegradation) within 6 days. The mean of test item replicates did reach the
60 % pass level within 28 days. The mean biodegradation on day 28 was 63%. - Executive summary:
The ready biodegradability of the test item cyclic Glucamide C8-C10 (batch no.: BP 1c (reactor
mix)) was determined with a non-adapted activated sludge over a test period of 28 days in the
Modified Sturm Test. The study was conducted according to OECD 301 B from 2019-08-01 to
2019-10-18, with a definitive exposure phase from 2019-09-19 to 2019-10-18 at the test facility.
The test item was tested at a concentration of 20 mg/L with 2 replicates corresponding to a carbon
content (TOC) of 10.1 mg C/L. The test vessels were incubated at low light conditions and at a
temperature of 22 ± 2 °C.
The biodegradation of the test item was followed by titrimetric analysis of the quantity of CO2
produced by the respiration of bacteria. The degradation was stopped on day 28 by acidification
of the test solutions. The last titration was made on day 29 after residual CO2 had been purged
from the test solutions over a period of 24 hours. The percentage CO2 production was calculated
in relation to the theoretical CO2 production (ThCO2) of the test item. The biodegradation was
calculated for each titration time.
To check the activity of the test system sodium benzoate was used as functional control. The
percentage degradation of the functional control reached the pass level of 60 % within 6 days. A
maximum biodegradation of 88 % was achieved on day 28.
In the toxicity control containing both test and reference item a biodegradation of 68 % was
determined within 15 days, with 80 % after 28 days. The biodegradation of the reference item
was not inhibited by the test item in the toxicity control.
The biodegradation of the test item is shown graphically in Figure 1 in comparison to the readily
degradable functional control and the toxicity control. The mean of replicates reached the 10 %
level (beginning of biodegradation) within 6 days. The mean of test item replicates did reach the
60 % pass level within 28 days. The mean biodegradation on day 28 was 63%.
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