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EC number: 262-334-5 | CAS number: 60623-04-3
- 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
Endpoint summary
Administrative data
Description of key information
The 90 day repeat dose study (gavage study with 28 day recovery) for 146289 -36 -3 , a PE ester of the polyol ester category, exhibited a NOAEL >= 1000 mg/kg/day, at the highest experimental dose. No clinical signs, changes in food consumption, or mortality were noted at the highest dose. Some clinical biochemistry changes were noted, but not found to be significant.
Key value for chemical safety assessment
Repeated dose toxicity: via oral route - systemic effects
Link to relevant study records
- Endpoint:
- sub-chronic toxicity: oral
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- see chapter 13 read-across justification
- Reason / purpose for cross-reference:
- read-across source
- Limit test:
- no
- Strain:
- Wistar
- Clinical signs:
- no effects observed
- Mortality:
- no mortality observed
- Body weight and weight changes:
- no effects observed
- Food consumption and compound intake (if feeding study):
- no effects observed
- Food efficiency:
- no effects observed
- Water consumption and compound intake (if drinking water study):
- not examined
- Ophthalmological findings:
- no effects observed
- Haematological findings:
- no effects observed
- Clinical biochemistry findings:
- effects observed, treatment-related
- Description (incidence and severity):
- high dose group (female): fibrinogen concentration of plasma and creatinine content increased, high dose group (male/female): alkaline phosphatase increased, middle and high dose groups (male/female): sreum urea nitrogen increased, all non-adverse
- Urinalysis findings:
- not examined
- Behaviour (functional findings):
- no effects observed
- Organ weight findings including organ / body weight ratios:
- effects observed, treatment-related
- Description (incidence and severity):
- increased kidney weights for high dose males and females, non-adverse
- Gross pathological findings:
- no effects observed
- Histopathological findings: non-neoplastic:
- effects observed, treatment-related
- Description (incidence and severity):
- intracellular fat and low-grade fatty degenerations of hepatocytes in all male animals, female control, middle dose and high dose groups, non-adverse
- Histopathological findings: neoplastic:
- no effects observed
- Details on results:
- CLINICAL SIGNS AND MORTALITY
Two animals died shortly after administration due to incorrect gavage shown by lungs filled with blood. None of the animals showed any alterations of their general state of well-being and behaviour at any observation period (few observations were made substance independent and for a short period of time).
BODY WEIGHT AND WEIGHT GAIN
Not affected by the test compound.
FOOD CONSUMPTION AND COMPOUND INTAKE (if feeding study)
Not dose-dependently influenced.
OPHTHALMOSCOPIC EXAMINATION
No alterations.
HAEMATOLOGY
Not influenced.
CLINICAL CHEMISTRY
The fibrinogen concentration of the plasma was increased in the female animals of the high dose group, this was no longer apparent at the end of the treatment-free period.
The activity of alkaline phosphatase of the serum significantly increased in the high dose group, males and femals. This indicates damage to liver cells and/or an increased function rate. This finding was no longer apparent at the end of the treatment-free period.
The serum urea nitrogen was significantly increased in the middle and high dose group of the males and in the high dose group of female animals. The creatinine content was significantly increased in all male and in the high dose group of the female animals. The phosphorus content was significantly increased dose-dependently in all female animals and the sodium content was dose-dependently decreased in the male animals, significantly in the animals of the middle and high dose groups. These effects were no longer apparent at the end of the treatment-free period.
NEUROBEHAVIOUR
No changes in grip strength, motor activity and sensory response.
ORGAN WEIGHTS
Absolute and relative kidney weights were increased in all male animals in the high dose group which was still present after the recovery period. Absolute and relative liver weights were increased in both sexes but this was no longer apparent after the recovery period in females. Other significant differences seem to be incidental.
GROSS PATHOLOGY
No substance-dependent changes.
HISTOPATHOLOGY: NON-NEOPLASTIC
Intracellular lipid droplets in hepatocytes of the female animals in the high and mid dose group (5-90% of the observed area) with cell lesions were clearly caused dose-dependently by the test article. There was no special localization of the changes of hepatocytes in the liver lobules. In most cases only low grade intracellular lipopexia occurred in the male animals.
Stomach: Oesophagal part and cardia with multilayered squamous epithelium, leukocyte infiltration in the submucosa and fibrous repair, fibrotic regions in the submucosa of the glandular stomach
Lungs: Atelectactic and emphysemic areas
Thymus: Partial substitution of the parenchyma by fibrinogenesis
Skin: Benign fibrous proliferation
Sciatic nerve: Thickening of the perineurium and thickening of the adventitia of the vessels
- Key result
- Dose descriptor:
- NOAEL
- Effect level:
- >= 1 000 mg/kg bw/day (actual dose received)
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- other: The NOAEL corresponds to the highest dose level tested.
- Key result
- Critical effects observed:
- not specified
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
Repeated dose toxicity: inhalation - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
Repeated dose toxicity: inhalation - local effects
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
Repeated dose toxicity: dermal - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
Repeated dose toxicity: dermal - local effects
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
Additional information
The registered substance is substantially-similar to CAS 146289 -36-3, a PE polyol ester, and CAS 403507 -18-6 a TMP ester, which are both part of the polyol ester category. The 90-day study with Pentaerythritol ester of pentanoic acids and isononanoic acid (CAS 146289-36-3) did not show any sign of overt toxicity. However, increased kidney and liver weights in the male animals was observed. A further 90-day oral feeding toxicity study with Fatty acids, C16-18 and C18-unsatd., branched and linear ester with trimethylolpropane (CAS 403507-18-6) show no toxicologically significant effects on body weight, food consumption and clinical condition and mortality up to and including the highest dose level. CAS 403507 -18 -6 is a polyol ester and part of the polyol ester category.
In conclusion, since the effects observed are not considered to be systemic and relevant for humans, the NOAEL was found to exceed 1000 mg/kg bw for all substances based on the result from the 90-day studies.
The category justification is in IUCLID section 13.
Justification for classification or non-classification
According to Article 13 of Regulation (EC) No. 1907/2006 "General Requirements for Generation of Information on Intrinsic Properties of substances", information on intrinsic properties of substances may be generated by means other than tests e.g. from information from structurally related substances (grouping or read-across), provided that conditions set out in Annex XI are met. Annex XI, "General rules for adaptation of this standard testing regime set out in Annexes VII to X” states that “substances whose physicochemical, toxicological and ecotoxicological properties are likely to be similar or follow a regular pattern as a result of structural similarity may be considered as a group, or ‘category’ of substances. This avoids the need to test every substance for every endpoint".Since the category concept is applied to the polyol esters, data gaps will be filled by interpolation, as part of a read across approach from a representative category member(s) to avoid unnecessary animal testing. Additionally, once the category concept is applied, substances will be classified and labelled on this basis.Therefore, based on the group concept, all available data on repeated dose toxicity do not meet the classification criteria according to Regulation (EC) 1272/2008 or Directive 67/548/EEC, and are therefore conclusive but not sufficient for classification.
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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