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EC number: 700-404-3 | CAS number: 127929-37-7
- 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

Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2009
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of study:
- mouse local lymph node assay (LLNA)
Test material
- Reference substance name:
- 2,2-bis({[3-(4-ethylpiperazin-1-yl)propanoyl]oxy}methyl)butyl 3-(4-ethylpiperazin-1-yl)propanoate
- EC Number:
- 700-404-3
- Cas Number:
- 127929-37-7
- Molecular formula:
- C33H62N6O6
- IUPAC Name:
- 2,2-bis({[3-(4-ethylpiperazin-1-yl)propanoyl]oxy}methyl)butyl 3-(4-ethylpiperazin-1-yl)propanoate
Constituent 1
In vivo test system
Test animals
- Species:
- mouse
- Strain:
- CBA
- Sex:
- female
Study design: in vivo (LLNA)
- Vehicle:
- acetone/olive oil (4:1 v/v)
- Concentration:
- 25 %, 50 %, 100 %
- No. of animals per dose:
- 4 females (nulliparous and non-pregnant)
Number of test groups: 3
Number of control (vehicle) groups: 1
Results and discussion
In vivo (LLNA)
Resultsopen allclose all
- Parameter:
- SI
- Remarks on result:
- other: Test group 25 % 26.79 Test group 50 % 28.78 Testgroup 100 % 30.53
- Parameter:
- other: disintegrations per minute (DPM)
- Remarks on result:
- other: DPM per lymph node: Control group 447.1 Test group 25 % 11978.2 Test group 50 % 12864.8 Test group 100 % 13650.7
Any other information on results incl. tables
The EC 3 value could not be calculated, since all S.I. are above 3.
Viability / Mortality: No deaths occurred during the study period.
Clinical signs: No symptoms of local toxicity at the ears of the animals and no systemic findings were observed during the study period.
Body weight: The body weight of the animals, recorded prior to the first application and prior to treatment with ³HTdR, was within the range commonly recorded for animals of this strain and age. The individual body weight values are included in Annex 1 of the study report.
Applicant's summary and conclusion
- Interpretation of results:
- sensitising
- Remarks:
- Migrated information
- Conclusions:
- In the study Simulation Indices of 26.79, 28.78 and 30.53 were determined with the test item B 1061 at concentrations of 25, 50 and 100 % in acetone:olive oil (4+1). The EC3 value could not be calculated, since all obtained S.I. were above 3.
The test item B 1061 was found to be a skin sensitiser under the described conditions. - Executive summary:
In the study the test item B 1061 dissolved in acetone:olive oil (4 +1) was assessed for its possible contact allergenic potential.
For this purpose a local lymph node assay was performed using test item concentrations of 25, 50 and 100 %.
The animals did not show any clinical signs during the course of the study and no cases of mortality were observed.
In this study Stimulation Indices (S.I.) of 26.79, 28.78 and 30.53 were determined with the test item at concentrations of 25, 50 and 100 % in acetone:olive oil (4 +1), respectively.
The test item B 1061 was a skin sensitiser in this assay.
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