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EC number: 947-968-9 | 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
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- Water solubility
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- Nanomaterial agglomeration / aggregation
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- Nanomaterial specific surface area
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- Endpoint summary
- Stability
- Biodegradation
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- 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
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- Toxicological Summary
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- Acute Toxicity
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- Toxicity to reproduction
- Specific investigations
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- Additional toxicological data

Endpoint summary
Administrative data
Key value for chemical safety assessment
- Toxic effect type:
- dose-dependent
Effects on fertility
Link to relevant study records
- Endpoint:
- two-generation reproductive toxicity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 416 (Two-Generation Reproduction Toxicity Study)
- GLP compliance:
- no
- Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
- Route of administration:
- oral: feed
- Duration of treatment / exposure:
- F0:70 days
F1-F4: raised on treated diet - Remarks:
- Doses / Concentrations:
600-1500 mg/kg bw/day
Basis:
actual ingested - No. of animals per sex per dose:
- 20
- Control animals:
- yes, plain diet
- Details on study design:
- Groups of 20 male and 20 female Wistar SPF rats were fed 0 or 1% anethole in the diet (approximately 600-1,500 mg/kg bw/day) for 70 days prior to mating. Four paired groups were formed: (1) control males X control females; (2) control males X treated females; (3) treated males X control females; and (4) treated males X treated females. During the mating period of 15 days, the first 3 groups were maintained on basal diet; whereas, group 4 received treated diet. During gestation and lactation, females of groups 2, 3 and 4 were maintained on 1% anethole diet. Offspring from groups 1 and 4 were used for propagating the next generation and were raised on the same dietary treatment as their parents (70 days from time of weaning). At approximately 3 months of age, rats were bred to obtain the next generation. A similar procedure was followed to obtain the 3rd and 4th generations. The treatment groups for F1, F2 and F3 were: (1) control males X control females; and (2) treated males X treated females. Mortality, body weight, food consumption, and reproductive performance (fertility, sex ratio, date of birth, stillbirths, clinical observations, litter size, litter viability) were monitored.
- Statistics:
- Yes, one factor variance analysis, Fischer test, t-test, Chisquare test
- Clinical signs:
- no effects observed
- Dermal irritation (if dermal study):
- not specified
- Mortality:
- mortality observed, non-treatment-related
- Body weight and weight changes:
- effects observed, non-treatment-related
- Food consumption and compound intake (if feeding study):
- effects observed, non-treatment-related
- Food efficiency:
- no effects observed
- Water consumption and compound intake (if drinking water study):
- not specified
- Ophthalmological findings:
- not specified
- Haematological findings:
- not specified
- Clinical biochemistry findings:
- not specified
- Urinalysis findings:
- not specified
- Behaviour (functional findings):
- not specified
- Immunological findings:
- not specified
- Organ weight findings including organ / body weight ratios:
- not specified
- Histopathological findings: non-neoplastic:
- not specified
- Histopathological findings: neoplastic:
- not specified
- Other effects:
- effects observed, non-treatment-related
- Reproductive function: oestrous cycle:
- not specified
- Reproductive function: sperm measures:
- not specified
- Reproductive performance:
- no effects observed
- Key result
- Dose descriptor:
- NOAEL
- Effect level:
- > 600 - < 1 500 mg/kg bw/day (actual dose received)
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- clinical signs
- Clinical signs:
- no effects observed
- Dermal irritation (if dermal study):
- not specified
- Mortality:
- mortality observed, non-treatment-related
- Body weight and weight changes:
- effects observed, non-treatment-related
- Food consumption and compound intake (if feeding study):
- not specified
- Food efficiency:
- not specified
- Water consumption and compound intake (if drinking water study):
- not specified
- Ophthalmological findings:
- not specified
- Haematological findings:
- not specified
- Clinical biochemistry findings:
- not specified
- Urinalysis findings:
- not specified
- Behaviour (functional findings):
- not specified
- Immunological findings:
- not specified
- Organ weight findings including organ / body weight ratios:
- not specified
- Gross pathological findings:
- not specified
- Neuropathological findings:
- not specified
- Histopathological findings: non-neoplastic:
- not specified
- Histopathological findings: neoplastic:
- not specified
- Other effects:
- not specified
- Reproductive function: oestrous cycle:
- not specified
- Reproductive function: sperm measures:
- not specified
- Reproductive performance:
- not specified
- Key result
- Dose descriptor:
- NOAEL
- Effect level:
- > 600 - < 1 500 mg/kg bw/day (actual dose received)
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- clinical signs
- Clinical signs:
- no effects observed
- Dermal irritation (if dermal study):
- not specified
- Mortality / viability:
- not specified
- Body weight and weight changes:
- effects observed, non-treatment-related
- Food consumption and compound intake (if feeding study):
- not specified
- Food efficiency:
- not specified
- Water consumption and compound intake (if drinking water study):
- not specified
- Ophthalmological findings:
- not specified
- Haematological findings:
- not specified
- Clinical biochemistry findings:
- not specified
- Urinalysis findings:
- not specified
- Sexual maturation:
- no effects observed
- Organ weight findings including organ / body weight ratios:
- not specified
- Gross pathological findings:
- not specified
- Histopathological findings:
- not specified
- Other effects:
- not specified
- Developmental immunotoxicity:
- effects observed, non-treatment-related
- Key result
- Dose descriptor:
- NOAEL
- Generation:
- F1
- Effect level:
- >= 600 - <= 1 500 mg/kg bw/day
- Based on:
- act. ingr.
- Sex:
- male/female
- Basis for effect level:
- other: No effects on reproductive performance
- Clinical signs:
- not specified
- Dermal irritation (if dermal study):
- not specified
- Mortality / viability:
- not specified
- Body weight and weight changes:
- not specified
- Food consumption and compound intake (if feeding study):
- not specified
- Food efficiency:
- not specified
- Water consumption and compound intake (if drinking water study):
- not specified
- Ophthalmological findings:
- not specified
- Haematological findings:
- not specified
- Clinical biochemistry findings:
- not specified
- Urinalysis findings:
- not specified
- Sexual maturation:
- not specified
- Organ weight findings including organ / body weight ratios:
- not specified
- Gross pathological findings:
- not specified
- Histopathological findings:
- not specified
- Other effects:
- not specified
- Behaviour (functional findings):
- not specified
- Developmental immunotoxicity:
- not specified
- Key result
- Dose descriptor:
- NOAEL
- Generation:
- F2
- Effect level:
- >= 600 - <= 1 500 mg/kg bw/day
- Based on:
- act. ingr.
- Sex:
- male/female
- Basis for effect level:
- other: No effects on reproductive performance.
- Key result
- Reproductive effects observed:
- no
- Conclusions:
- The reduced palatability of the diet was considered to be responsible for the lower body weight gain and body weights of the rats receiving anethole.
trans-Anethole did not affect the reproductive performance of rats over 4 generations.
Reference
P1: no deaths, reduced body weight gain and body weight in treated rats, reduced food consumption in treated rats for 1st 2 weeks, no effect on reproductive performance.
Effect on fertility: via oral route
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- NOAEL
- 600 mg/kg bw/day
- Study duration:
- subchronic
- Species:
- rat
Effect on fertility: via inhalation route
- Endpoint conclusion:
- no study available
Effect on fertility: via dermal route
- Endpoint conclusion:
- no study available
Justification for classification or non-classification
Additional information
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