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EC number: 947-805-1 | CAS number: 213077-23-7
- 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 aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1993
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: 87/302/EEC page 89-94 Algal Inhibition test
- Principles of method if other than guideline:
- Determination of EbC 50 (0-72 h) : Concentration at which reduced the growth of algae by 50% in relation to control.
- GLP compliance:
- yes
Test material
- Reference substance name:
- Didodecyl nonylphenyl phosphite
- EC Number:
- 252-457-2
- EC Name:
- Didodecyl nonylphenyl phosphite
- Cas Number:
- 35239-35-1
- Molecular formula:
- C39-H73-O3-P
- IUPAC Name:
- Phosphorous acid, didodecyl nonylphenyl ester
- Reference substance name:
- Dodecyl bis(4-nonylphenyl) phosphite
- EC Number:
- 284-117-4
- EC Name:
- Dodecyl bis(4-nonylphenyl) phosphite
- Cas Number:
- 84787-76-8
- Molecular formula:
- C42-H71-O3-P
- IUPAC Name:
- Phosphorous acid, dodecyl bis(4-nonylphenyl) ester
- Reference substance name:
- 4-nonylphenyl ditridecyl phosphite
- EC Number:
- 284-119-5
- EC Name:
- 4-nonylphenyl ditridecyl phosphite
- Cas Number:
- 84787-77-9
- Molecular formula:
- C41-H77-O3-P
- IUPAC Name:
- Phosphorous acid, 4-nonylphenyl ditridecyl ester
- Reference substance name:
- Bis(4-nonylphenyl) tridecyl phosphite
- EC Number:
- 284-120-0
- EC Name:
- Bis(4-nonylphenyl) tridecyl phosphite
- Cas Number:
- 84787-78-0
- Molecular formula:
- C43-H73-O3-P
- IUPAC Name:
- Phosphorous acid, bis(4-nonylphenyl) tridecyl ester
- Reference substance name:
- Tris(nonylphenyl) phosphite
- EC Number:
- 247-759-6
- EC Name:
- Tris(nonylphenyl) phosphite
- Cas Number:
- 26523-78-4
- IUPAC Name:
- tris(2-nonylphenyl) phosphite
- Reference substance name:
- Didodecyl phosphonate
- EC Number:
- 244-325-8
- EC Name:
- Didodecyl phosphonate
- Cas Number:
- 21302-09-0
- Molecular formula:
- C24H51O3P
- IUPAC Name:
- Di(n-dodecyl)hydrogen phosphate
- Reference substance name:
- Phenol, 4-nonyl-, branched
- EC Number:
- 284-325-5
- EC Name:
- Phenol, 4-nonyl-, branched
- Cas Number:
- 84852-15-3
- Molecular formula:
- C15H24O
- IUPAC Name:
- 4-Nonylphenol, branched
- Test material form:
- liquid
Constituent 1
Constituent 2
Constituent 3
Constituent 4
impurity 1
impurity 2
impurity 3
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- Composite samples of each test concentration were drawn by mixing identical volumes of the test. Solutions taken from the approximate center of the test vessels.
They were taken inunediately before exposure and after 72 hours exposure and kept at - 18*'C to - 22°C until analysis.
Test solutions
- Vehicle:
- yes
- Remarks:
- 28.8 mg N,N-dimethylformamide(DMF)/l and 1.2 mg polyoxy-ethylene-sorbitanmonooleate {TWEEN 80)/L
- Details on test solutions:
- 0.123, 0.37, 1.1, 3.3, 10 and 30 mg/L (nominal)
<0.05, 0.2, 0.5, 1.7, 7.7 and 18.8 mg/L (actual)
Test organisms
- Test organisms (species):
- Scenedesmus sp.
- Details on test organisms:
- Collection of algae cultures
Pflanzenphysiologisches Institut
University
Nikolausberger Weg 18
D-3400 Göttingen
Germany
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 72 h
Test conditions
- Test temperature:
- 23 ± 1°C.
- pH:
- 7.8-7.9 initial
8.2-9.1 after 72 hours - Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 4.3 mg/L
- Nominal / measured:
- meas. (TWA)
- Conc. based on:
- test mat.
- Basis for effect:
- cell number
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.5 mg/L
- Nominal / measured:
- meas. (TWA)
- Conc. based on:
- test mat.
- Basis for effect:
- cell number
- Details on results:
- 95 % confidence llmit: 0.49 - 23.2 mg/l
- Reported statistics and error estimates:
- The EC-50 values were calculated according to the maximun likelihood method, probit model (Mc Cullagh, P., Neider, J.A., 1983: Generalized linear modeis, Chapman & Hall, London)
Applicant's summary and conclusion
- Conclusions:
- EC50 was 4.3 mg/L after 72 hours.
- Executive summary:
EC50 was 4.3 mg/L after 72 hours.
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