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EC number: 258-469-4 | CAS number: 53306-54-0
- 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
Repeated dose toxicity: inhalation
Administrative data
- Endpoint:
- short-term repeated dose toxicity: inhalation
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012-12-05 to 2012-12-12
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Remarks:
- 5-day inhalation study according to GLP and OECD/EU guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 412 (Subacute Inhalation Toxicity: 28-Day Study)
- Version / remarks:
- 7 September 2009
- Deviations:
- yes
- Remarks:
- only 5 day exposure
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method B.8 (Subacute Inhalation Toxicity: 28-Day Study)
- Version / remarks:
- 30 May 2008
- Deviations:
- yes
- Remarks:
- only 5 day exposure
- GLP compliance:
- yes (incl. QA statement)
- Limit test:
- no
Test material
- Reference substance name:
- Bis(2-propylheptyl) phthalate
- EC Number:
- 258-469-4
- EC Name:
- Bis(2-propylheptyl) phthalate
- Cas Number:
- 53306-54-0
- Molecular formula:
- C28H46O4
- IUPAC Name:
- 1,2-bis(2-propylheptyl) benzene-1,2-dicarboxylate
- Test material form:
- liquid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: Palatinol 10-P
- Analytical purity: 99.4 corr. area-%
- Batch No.: B4504 v. 2.8.2012
- Expiry date: Not reported
- Appearance: Colourless, liquid
Test animals
- Species:
- rat
- Strain:
- Wistar
- Details on species / strain selection:
- Crl:WI(Han)
- Sex:
- male
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River Laboratories, Research Models and Services, Germany GmbH; SandhoferWeg 7, 97633 Sulzfeld
- Age at study initiation: about 8 weeks
- Fasting period before study: no data
- Housing: Polysulfon cages (H-Temp [PSU]), floor area about 2065 cm2 (610x435x215 mm); supplied by TECNIPLAST, Germany. Dust-free wooden bedding was used in this study. For enrichment wooden gnawing blocks (Typ NGM E-022), supplied by Abedd® Lab. and Vet. Service GmbH, Vienna, Austria, were added.
- No. of animals per cage: up to 5 animals
- Diet: ad libitum, not during exposure
- Water: ad libitum, not during exposure
- Acclimation period: 7 days
ENVIRONMENTAL CONDITIONS
- Temperature: 20 - 24°C
- Humidity: 30-70 %
- Air changes: 15 air changes per hour.
- Photoperiod (hrs dark / hrs light): 12/12 from 06.00 a.m. - 06.00 p.m.
Administration / exposure
- Route of administration:
- inhalation: aerosol
- Type of inhalation exposure:
- nose/head only
- Vehicle:
- air
- Mass median aerodynamic diameter (MMAD):
- >= 1.4 - <= 2.2 µm
- Remarks on MMAD:
- MMAD / GSD:
50 mg/m3: 1.4 / 2.8 µm and 1.4 / 2.6 µm
250 mg/m3: 1.4 / 2.8 µm and 1.4 / 2.9 µm
1000 mg/m3: 2.2 / 2.1 µm and 1.6 / 2.6 µm - Details on inhalation exposure:
- GENERATION OF TEST ATMOSPHERE / CHAMBER DESCRIPTION
- Exposure apparatus: Piston metering pumps KP 2000 (DESAGA; SARSTED AG & Co, Nümbrecht, Germany), Two-component atomizers (stainless steel, Model 970; Düsen-Schlick GmbH, Untersiemau/Coburg, Germany)
- Exposure chamber volume: 90 L
- Method of holding animals in test chamber: The rats were restrained in exposure tubes, their snouts projecting into the inhalation chamberto inhale the atmosphere.
- System of generating aerosols: For each concentration, a respective constant amount of the test substance was supplied to a two-component atomizer by means of a metering pump and sprayed with compressed air into a glass mixing stage. The so generated aerosol was mixed with conditioned air and passed into the inhalation system.
- Method of particle size determination: Gravimetrical Marple 298 cascade impactor measurements
- Treatment of exhaust air: The exhaust air system connected to the exposure systems was adjusted in such a way that the amount of exhaust air is lower than the supply air (positive pressure). Thus the test atmosphere was not diluted with laboratory air in the breathing zones ofthe animals.
- Temperature, humidity, pressure in air chamber:
The air flow rates of supply and exhaust air, relative humidities and temperatures in the inhalation systems were measured continuously by an automated measuring system and were monitored against preset limits and partially regulated.
TEST ATMOSPHERE
- Brief description of analytical method used: The aerosol concentration was determined by gas chromatography of absorption samples.
- Samples taken from breathing zone: yes
- Sampling frequency: three samples per concentration and exposure
TEST ATMOSPHERE
- Particle size distribution:
Particle Size determinations of the test atmospheres was made with the TSI APS 3321. Mass Median Aerodynamic Diameter (MMAD) and Geometric Standard Deviation (GSD) was obtained directly by the piece of equipment used (TSI APS 3321).
- Frequency: two times during the exposure period. - Analytical verification of doses or concentrations:
- yes
- Details on analytical verification of doses or concentrations:
- The aerosol concentration was determined by gas chromatography of absorption samples.
- Duration of treatment / exposure:
- 5 consecutive days
- Frequency of treatment:
- Once a day for 6 hours
Doses / concentrationsopen allclose all
- Dose / conc.:
- 50 mg/m³ air
- Dose / conc.:
- 250 mg/m³ air
- Dose / conc.:
- 1 000 mg/m³ air
- No. of animals per sex per dose:
- 10 male animals per concentration
- Control animals:
- yes, concurrent vehicle
- Details on study design:
- - Duration of observation period following administration: one day
- Fasting period: animals were fasted over night before blood sampling
- Necropsy of survivors performed: yes - Positive control:
- No
Examinations
- Observations and examinations performed and frequency:
- CAGE SIDE OBSERVATIONS: Yes
- Time schedule: twice per day
BODY WEIGHT: Yes
- Time schedule for examinations: prior to the pre-exposure period, at the start of the exposure period (day 0) and twice weekly thereafter until the day prior to gross necropsy
FOOD CONSUMPTION:
- Food consumption for each animal determined and mean daily diet consumption calculated as g food/kg body weight/day: Yes
HAEMATOLOGY: Yes
- Time schedule for collection of blood: prior to necropsy
- Anaesthetic used for blood collection: Yes, isoflurane
- Animals fasted: Yes
- How many animals: all animals
- Parameters checked in table No.1 were examined.
ACUTE PHASE PROTEINS
- Time schedule for collection of blood: prior to necropsy
- Animals fasted: Yes
- How many animals: all animals
- Parameters checked in table No.2 were examined.
CLINICAL CHEMISTRY: Yes
- Time schedule for collection of blood: prior to necropsy
- Animals fasted: Yes
- How many animals: all animals
- Parameters checked in table No.3 were examined.
PALMITOYL CoA OXIDATION
- Tissue: liver
- How many animals: all animals - Sacrifice and pathology:
- GROSS PATHOLOGY: Yes, see table No. 4
HISTOPATHOLOGY: Yes, see table No. 5 - Other examinations:
- not applicable
- Statistics:
- Body weights, body weight change: Dunnett's test
Clinical pathology examinations: Kruskal-Wallis test and Wilcoxon test
Weight of anesthetized animals and absolute and relative organ weight: Kruskal-Wallis test and Wilcoxon test
Results and discussion
Results of examinations
- Clinical signs:
- no effects observed
- Description (incidence and severity):
- During the whole study period, the animals showed no clinical signs and findings different from normal.
- Mortality:
- no mortality observed
- Body weight and weight changes:
- effects observed, non-treatment-related
- Description (incidence and severity):
- The mean body weight of all test groups were not statistically significant different from the control groups. However, the mean body weight change of test group 3 (1000 mg/m3) was slightly, though significantly lower than in the control.
The following significant body weight changes were observed:
- Test group 1 (50 mg/m³), from study day 0 to 4 (-1.9 g, p< 0.05)
- Test group 3 (1000 mg/m³) from study day 0 to 4 (-5.1 g, p< 0.01) - Food consumption and compound intake (if feeding study):
- not examined
- Food efficiency:
- not examined
- Water consumption and compound intake (if drinking water study):
- not examined
- Ophthalmological findings:
- not examined
- Haematological findings:
- effects observed, non-treatment-related
- Description (incidence and severity):
- In rat of test group 3 (1000 mg/m³), relative eosinophil counts were higher compared to controls, but the values were within historical control ranges (relative eosinophil counts 1.12.8 %). Therefore, this alteration was regarded as incidental and not treatment-related.
- Clinical biochemistry findings:
- effects observed, treatment-related
- Description (incidence and severity):
- In rats of test group 3 (1000 mg/m3), globulin and total protein levels were decreased, whereas cholesterol levels were increased. These effects were considered test-substance related and adverse.
In the mentioned test group, total bilirubin levels were decreased. In the absence of an anemia this decrease was most probably due to an increased conjugation rate of bilirubin coupled with a greater excretion of bilirubin via the bile. This effect was regarded as treatment-related, but not adverse.
In the same test group calcium levels were lower compared to controls, but the mean was within the historical control range. In rats of test group 2 (300 mg/m3) potassium levels were low, but this decrease was not dose-dependent. Therefore, the lower calcium levels in rats of test group 3 as well as the lower potassium levels in test group 2 were regarded as incidental and not treatment-related.
In males of test groups 2 and 3 (250 and 1000 mg/m3), cyanide sensitive Palmitoyl CoA oxidation (Pal CoA) in liver tissue was higher compared to controls. However the mean in test group 2 was within the historical control range (4.30 – 7.69 mU/mg protein) and it was not accompanied with an alteration of any other liver parameter in serum. Therefore, the PalCoA in test group 2 (250 mg/m3) was regarded as incidental and not treatment-related. - Urinalysis findings:
- not examined
- Behaviour (functional findings):
- not examined
- Immunological findings:
- effects observed, treatment-related
- Description (incidence and severity):
- A minimal to moderate granulomatous inflammation was observed in the lungs of two males in test group 2 (250 mg/m3) and in nine males of test group 3 (1000 mg/m3). showed very few to multiple granulomatous foci, often nearby the bronchi, bronchioli and terminal bronchioli. The granulomatous foci were characterized by a large number of intraalveolar macrophages, granulocytes, lymphocytes, desquamated epithelial cells and single multinucleated giant cells.
A minimal to moderate lympho-reticulocellular hyperplasia of the tracheobronchial and mediastinal lymph nodes was noted in six males of test group 3 (1000 mg/m³), that was regarded to be treatment-related. - Organ weight findings including organ / body weight ratios:
- effects observed, treatment-related
- Description (incidence and severity):
- 1000 mg/m³:
- Increased absolute and relative weight of the lungs (+37%).
- Increased absolute and relative weight of the liver (+30%).
250 mg/m³:
- Increased absolute weight of the lungs (+9%).
- Increased relative weight of the lungs (+7%). - Gross pathological findings:
- effects observed, non-treatment-related
- Description (incidence and severity):
- Gross lesions reported in the following organs (control, group 1, group 2, group 3):
- Epididymides (3, 1, 1, 3)
- Liver (0, 0, 0, 1)
- Mediastinal lymph node (0, 0, 0, 1) - Neuropathological findings:
- not examined
- Histopathological findings: non-neoplastic:
- effects observed, treatment-related
- Description (incidence and severity):
- Nasal cavity:
Single or few mucous cells occurred in the maxillary sinus (nasal cavity, level III) in all treated males. In the septal window (nasal cavity, level III), a minimal increased number of mucous cells was observed in four (out of 10) males in test group 3 (1000 mg/m³). Seven males in test group 3 (1000 mg/m³) showed a minimal increased number or hypertrophy of mucous cells in the nasopharyngeal duct (nasal cavity, level IV). The epithelium in the respective areas was regular and signs of inflammation or degenerative changes were completely missing in the whole nasal cavity. The occurrence, increase in number, and hypertrophy of mucous cells were regarded to be treatment-related.
Trachea:
A minimal to moderate multifocal hypertrophy or hyperplasia of the respiratory epithelium including mucous cells was seen in the trachea of eight males in test group 3 (1000 mg/m3). The occurrence of hypertrophy/ hyperplasia of the respiratory epithelium including mucous cells was considered to be treatment-related.
Lungs:
A minimal to moderate granulomatous inflammation was observed in the lungs of two males in test group 2 (250 mg/m3) and in nine males of test group 3 (1000 mg/m3). These males showed very few to multiple granulomatous foci, often nearby the bronchi, bronchioli and terminal bronchioli. The granulomatous foci were characterized by a large number of intraalveolar macrophages, granulocytes, lymphocytes, desquamated epithelial cells and single multinucleated giant cells. Partly, the alveolar walls were lined by large cuboidal cells with vacuolated cytoplasm and prominent nuclei (type II pneumocyte hyperplasia). Some of these males showed in addition areas with muco-purulent features.
Alveolar histiocytosis, characterized by focal accumulation of some histiocytes (alveolar macrophages) in few alveoli, frequently occurs spontaneously. This type of alveolar histiocytosis was observed in four control males as well as in three males of test group 1 (50 mg/m³). In these males, one or few foci of alveolar histiocytosis occurred in one or two lobes of the lungs (minimal, grade 1) and is therefore interpreted as spontaneous lesion. However, in test groups 2 (250 mg/m³) and 3 (1000 mg/m³) all males were affected and the alveolar histiocytosis was often seen in the same areas as the inflammation, distributed over the whole lung. The occurrence of granulomatous inflammation and the increased incidence and severity of alveolar histiocytosis in males of test groups 2 (250 mg/m³) and 3 (1000 mg/m³) correlated very well with the increased lung weights in these test groups and was related to treatment.
In the epithelium of bronchi, bronchioles, and/ or terminal bronchioles, a concentration-related minimal to moderate hypertrophy/ hyperplasia, partly accompanied by an increase of mucous cells, was observed in all males of test groups 2 (250 mg/m³) and 3 (1000 mg/m3). The occurrence of the epithelial hypertrophy/ hyperplasia in bronchi, bronchioles, and/ or terminal bronchioles was regarded to be treatment-related.
Liver:
A slight diffuse hepatocellular hypertrophy was observed in all males of test group 3 (1000 mg/m³). The diffuse hepatocellular hypertrophy correlated with the increased absolute and relative liver weights in this test group and was regarded to be treatment-related. - Histopathological findings: neoplastic:
- not examined
Effect levels
open allclose all
- Key result
- Dose descriptor:
- NOAEC
- Remarks:
- (systemic toxicity)
- Effect level:
- 250 mg/m³ air
- Based on:
- test mat.
- Sex:
- male
- Basis for effect level:
- clinical biochemistry
- Key result
- Dose descriptor:
- NOAEC
- Remarks:
- (local effects)
- Effect level:
- 50 mg/m³ air
- Based on:
- test mat.
- Sex:
- male
- Basis for effect level:
- other: Respiratory irritation
Target system / organ toxicity
- Critical effects observed:
- not specified
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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