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EC number: 268-083-8 | CAS number: 68002-70-0 This substance is identified by SDA Substance Name: C16-C22 trialkyl glyceride and SDA Reporting Number: 21-001-00.
- 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
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- From Jun. 1988 to Jul. 1988
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted according to recognized methodology but not under GLP
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:
- 1 988
- Report date:
- 1993
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Robra K.H. (1976). Wasser/Abwasser 117:80-86
- Deviations:
- not specified
- Principles of method if other than guideline:
- Bacteriotoxic substances inhibit the bacteria's enzymatic activity, leading to decrease oxygen consumption. The Robra-test measures oxygen consumption of Pseudomonas putida cultures exposed to various concentrations of a test substance and the EC10 or EC50 compared to a negative controlare determined.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Glycerides, C16-18 and C18 unsatd.
- IUPAC Name:
- Glycerides, C16-18 and C18 unsatd.
- Reference substance name:
- 67701-30-8
- Cas Number:
- 67701-30-8
- IUPAC Name:
- 67701-30-8
- Reference substance name:
- Glycerides, C16-18 and C18-unsatd.
- EC Number:
- 266-948-4
- EC Name:
- Glycerides, C16-18 and C18-unsatd.
- IUPAC Name:
- 266-948-4
- Details on test material:
- - Name of test material (as cited in study report): Alkali-refined linseed oil (CAS N° 8001-26-1, EC N° 232-278-6). Under the SDA nomenclature, the name of this substance is 'Glycerides, C16-18 and C18 unsatd.'
Constituent 1
Constituent 2
Constituent 3
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
Not applicable
Sampling and analysis
- Analytical monitoring:
- not specified
- Details on sampling:
- No data
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
- Chemical name of vehicle (organic solvent, emulsifier or dispersant): Laurylmyritylalcoholethoxylate 7.5 E.O
Test organisms
- Test organisms (species):
- Pseudomonas putida
- Details on inoculum:
- - Laboratory culture: Pseudomonas DSM putida 50026
- Method of cultivation: in standard nutrient solution
- Preparation of inoculum for exposure: Pre-inoculum cultivated at 1°C for ca. 16 h on a rotary shaker. 10 ml pre-cuture taken and dissolved in 200 ml nutrient solution, shaken at 26°C for ca. 16 h prior to test start.
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 30 min
- Remarks on exposure duration:
- none
- Post exposure observation period:
- No data
Test conditions
- Hardness:
- Not applicable
- Test temperature:
- Not applicable
- pH:
- Not applicable
- Dissolved oxygen:
- Not applicable
- Salinity:
- Not applicable
- Nominal and measured concentrations:
- Nominal concentrations: 0, 40,000, 50,000, 60,000, 70,000, 80,000, 90,000 and 100,000 mg/L
- Details on test conditions:
- TEST SYSTEM
- Test vessel:
- Type (delete if not applicable): closed
- Material, size, headspace, fill volume: 300 ml Erlenmeyer
- Aeration: with pressurized air - Reference substance (positive control):
- no
Results and discussion
Effect concentrations
- Duration:
- 30 min
- Dose descriptor:
- EC10
- Effect conc.:
- 67 000 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
- Details on results:
- None
- Results with reference substance (positive control):
- Not applicable
- Reported statistics and error estimates:
- None
Any other information on results incl. tables
None
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Under the conditions of this test, the EC10 of alkali-refined linseed oil to Pseudomonas putida was estimated to be 67,000 mg/L.
- Executive summary:
A study was conducted to evaluate the toxicity of linseed oil to Pseudomonas putida according to the method described in Robra K.H. (1976). GFW Wasser/Abwasser 117:80 -86.
The microorganisms were exposed to concentrations of the test substance ranging from 40,000 to 100,000 mg/L and oxygen consumption was measured.
Under the conditions of this test, the EC10 of the test substance to Pseudomonas putida was estimated to be 67,000 mg/L.
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