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Diss Factsheets
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EC number: 460-230-6 | 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
Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26 July 2012 - 21 August 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant study conducted in accordance with international guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.42 (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
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): EP-4000S, Chemical name: Phenol, 4-4’-(1-methylethylidene)bis-, polymer with 2-(chloromethyl)oxirane and 2- methyloxirane
- Physical state: Light yellow liquid
- Analytical purity: 89.52%
- Lot/batch No.: 902Y1
- Expiration date of the lot/batch: 07 December 2012
- Storage condition of test material: Ambient temperature in the dark
In vivo test system
Test animals
- Species:
- mouse
- Strain:
- CBA
- Sex:
- female
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Age at study initiation: 8-12 weeks
- Weight at study initiation: 17.7 to 22.9 g
- Housing: Animals were housed inside a barriered rodent facility and were allocated without conscious bias to cages within the treatment groups.
They were housed two animals per cage, in solid bottomed polycarbonate cages with a stainless steel mesh lid. Each cage contained a quantity of autoclaved wood flake bedding, additionally Nestlets and a plastic shelter were included for environmental enrichment.
- Diet (e.g. ad libitum): standard rodent diet
- Water (e.g. ad libitum): Portable water taken from the public supply was freely available via polycarbonate bottles
fitted with sipper tubes.
- Acclimation period: 6 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 to 23°C
- Humidity (%): 40-70%
- Photoperiod (hrs dark / hrs light): 12hrs dark/12hrs light
Study design: in vivo (LLNA)
- Vehicle:
- acetone/olive oil (4:1 v/v)
- Concentration:
- 25, 50% w/v and 'as supplied'
- No. of animals per dose:
- 2 mice in the preliminary investigations and 4 female mice in each of the three treated groups
- Details on study design:
- TREATMENT PREPARATION AND ADMINISTRATION: The mice were treated by daily application of 25 µL of the appropriate concentration or control (vehicle or positive), to the dorsal surface of both ears for three consecutive days.
The proliferative response of the lymph node cells (LNC) from the draining auricular lymph nodes was assessed five days following the initial application, by measurement of the incorporation of 3H-methyl Thymidine (3HTdR) by B-scintillation counting of LNC suspensions.
The response was expressed as radioactive disintegrations per minute per lymph node (dpm/node) and as the ratio of 3HTdR incorporation into LNC
of test nodes relative to that recorded for control nodes (test/control ratio), termed as Stimulation Index (SI). - Positive control substance(s):
- hexyl cinnamic aldehyde (CAS No 101-86-0)
Results and discussion
- Positive control results:
- The SI for the positive control substance hexyl cinnamic aldehyde was 4.0, which demonstrates the validity of this study.
In vivo (LLNA)
Resultsopen allclose all
- Parameter:
- SI
- Remarks on result:
- other: 3.8 (for 25% w/v) 6.3 (for 50% w/v) 9.3 (for 'As supplied)
- Parameter:
- other: disintegrations per minute (DPM)
- Remarks on result:
- other: Concentration Disintegrations per minute 25% w/v 37484.5 50% w/v 61784.4 'As supplied' 55089.9
Any other information on results incl. tables
Preliminary investigation:
There were no deaths and no signs of ill health or toxicity were observed during this study.
No erythema was observed on the ears of either mouse on Days 1 to 6.
There was no evidence of an effect of treatment on ear thickness.
There was no indication of an overt effect of treatment on bodyweight gain.
Main phase:
There were no deaths and no signs of ill health or toxicity were observed during this study.
No signs of dermal irritation were seen on the ear during the study.
There was no indication of an effect of treatment on bodyweight gain.
Applicant's summary and conclusion
- Interpretation of results:
- sensitising
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- EP-4000S is regarded as a potential skin sensitizer. The EC3 value was calculated to be 20% w/v.
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