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EC number: 611-901-9 | CAS number: 5984-56-5
- 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:
- 2006-03-07 to 2006-03-21
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
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:
- 4-piperidinecarboxylic acid hydrochloride
- EC Number:
- 611-901-9
- Cas Number:
- 5984-56-5
- Molecular formula:
- C6H11NO2.HCl
- IUPAC Name:
- 4-piperidinecarboxylic acid hydrochloride
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Name of test material (as cited in study reports): JNJ-150098-AAC (T001310)
- Physical state: solid
- Appearance white powder
Constituent 1
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): T1310 (chemical name: 4-piperidinecarboxylic acid hydrochloride, CAS number: 005984-56-5)
- Substance type: no data
- Physical state: white solid
- Analytical purity: 100%
- Purity test date: no data
- Lot/batch No.: 00465047 RT001310G4A851
- Expiration date of the lot/batch: 2006-06-30
- Stability under test conditions: Not indicated by the sponsor.
- Storage condition of test material: at room temperature
- Other:
Solubility in water: 320 g/L
In vivo test system
Test animals
- Species:
- mouse
- Strain:
- other: CBA/CaOlaHsd
- Sex:
- female
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Source: Harlan Netherlands, B.V. Postbus 6174, NL - 5960 AD Horst / The Netherlands
- Age at beginning of acclimatization: 6 - 12 weeks
- Weight at study initiation: 15.6 to 21.7 g (Mean 18.5 g +-1.7)
- Housing: Single caging; Makrolon Type I, with wire mesh top and granulated soft wood bedding
- Diet: pelleted standard diet, ad libitum
- Water: tap water, ad libitum
- Acclimation period: under test conditions after health examination. Only animals without any visible signs of illness were used for the study.
ENVIRONMENTAL CONDITIONS
- Temperature (deg C): 22 +/- 3 °C
- Humidity (%): 30-70%
- Air changes (per hr): no data
- Photoperiod (hrs dark / hrs light): 12/12
IN-LIFE DATES: From: 2006-03-15 To: 2006-03-21
Study design: in vivo (LLNA)
- Vehicle:
- other: Ethanol:deionised water, 70:30% (v/v)
- Concentration:
- concentrations of 1, 5 and 10% (w/v) in Ethanol:deionised water (7+3), respectively.
- No. of animals per dose:
- 2 females (pre-test); 16 females (main study)
4 animals per group - Details on study design:
- RANGE FINDING TESTS:
- Compound solubility: concentrations of 1.25, 2.5, 5 and 10% (w/v)
- Irritation: No irritation effects were observed at these concentrations after a single application.
- Lymph node proliferation response: no data
MAIN STUDY
ANIMAL ASSIGNMENT AND TREATMENT
- Name of test method: 3HTdR incorporation
- Criteria used to consider a positive response: A test item is regarded as a sensitiser in the LLNA if the following criteria are fulfilled:
First, that exposure to at least one concentration of the test item resulted in an incorporation of 3HTdR at least 3-fold or greater than that recorded in control mice, as indicated by the stimulation index.
Second, that the data are compatible with a conventional dose response, although allowance must be made (especially at high topical concentrations) for either local toxicity or immunological suppression.
TREATMENT PREPARATION AND ADMINISTRATION:
Three groups each of four female mice were treated with different concentrations of the test item by topical application at the dorsum of each ear lobe (left and right) on three consecutive days. - Positive control substance(s):
- hexyl cinnamic aldehyde (CAS No 101-86-0)
- Statistics:
- The mean values and standard deviations were calculated for the body weights.
Results and discussion
- Positive control results:
- The Disintegrations Per Minute (DPM) :
5% - 6802.45
10 % - 15166.7
25% - 29443.2
DPM per lymph node (Number of lymph nodes: 8) :
5% - 846.4
10% - 1892.0
25% - 3676.5
The stimulation indices
5% - 6.08
10% - 13.59
25% - 26.41
The EC3 value could not be calculated, since all SI's were above 3.
In vivo (LLNA)
Resultsopen allclose all
- Parameter:
- SI
- Value:
- 1.2
- Test group / Remarks:
- 10% w/v
- Parameter:
- SI
- Value:
- 1.31
- Test group / Remarks:
- 5% w/v
- Parameter:
- SI
- Value:
- 1.61
- Test group / Remarks:
- 1% w/v
Any other information on results incl. tables
The EC3 value could not be calculated, since all SI's were below 3.
The Disintegrations Per Minute (DPM)
1% - 3561.93
5% - 2902.48
10% - 2646.47
Number of lymph nodes: 8
The DPM per lymph node were
1% - 442.7
5% - 360.2
10% - 328.2
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 Weights:
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.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The test item T1310 was not a skin sensitiser under the described conditions. Therefore, the test item is considered not to be classified.
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