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EC number: 448-170-9 | 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
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Toxicity to reproduction
Administrative data
- Endpoint:
- one-generation reproductive toxicity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Experiment start date - 25 October 2012; Experiment end date - 17 December 2012; Study completion date - 21 May 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 421 (Reproduction / Developmental Toxicity Screening Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: The United States EPA Health Effects Test Guidelines, OPPTS 870.3550, Reproduction/Developmental Toxicity Screening Test, July 2000.
- Deviations:
- no
- GLP compliance:
- yes
- Limit test:
- no
Test material
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): FAT 40810/B TE
- Substance type: Black powder
- Physical state: Powder
- Content: 100% (w/w)
- Lot/batch No.: BOP 02-12 (Lot: MHC-1880000)
- Expiration date of the lot/batch: 14 September 2017
- Storage condition of test material: At room temperature in the dark
- Purity/composition correction factor required: No
- Volatile No
- pH: 4.98 at concentration of 2%
Constituent 1
- Specific details on test material used for the study:
- Identification: FAT 40810/B TE
Description: Black powder (determined at WIL Research Europe B.V.)
Batch: BOP 02-12 (Lot: MHC-1880000)
Content: 100 % (w/w)
Test substance storage: At room temperature in the dark
Stability under storage conditions: Stable
Expiry date 14 September 2017
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River Deutschland, Sulzfeld, Germany. Nulliparous and nonpregnant females and untreated animals were used at initiation of the study.
- Age at study initiation: Approximately 11 weeks.
- Weight at study initiation: mean weight at start of treatment was 310 gr (males) or 203 gr (females).
- Fasting period before study: no
- Housing:
Pre-mating: Animals were housed in groups of 5 animals/sex/cage in Macrolon cages.
Mating: Females were caged together with males on a one-to-one-basis in Macrolon cages.
Post-mating: Males were housed in their home cage with a maximum of 5 animals/cage. Females were individually housed in Macrolon cages. Pups were kept with the dam until termination
General: Sterilised sawdust as bedding material and paper as cage enrichment were supplied.
- Diet: Free access to pelleted rodent diet (SM R/M-Z from SSNIFF® Spezialdiäten GmbH, Soest, Germany).
- Water: Free access to tap water.
- Acclimation period: At least 5 days
ENVIRONMENTAL CONDITIONS
Environmental controls for the animal room were set to maintain 18 to 24°C, a relative humidity of 40 to 70%, approximately 15 room air changes/hour, and a 12-hour light/12-hour dark cycle.
IN-LIFE DATES
From: 29 October - 17 December 2012
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- water
- Details on exposure:
- - Method of formulation: Formulations (w/w) were prepared daily within 5 hours prior to dosing and were homogenized to a visually acceptable level. No adjustment was made for specific gravity/density of the test substance, vehicle, and/or formulation. No correction was made for the purity/composition of the test substance.
- Storage conditions of formulations: At ambient temperature.
- Dose volume: 5 mL/kg body weight. Actual dose volumes were calculated according to the latest body weight. - Details on mating procedure:
- - M/F ratio per cage: 1/1 (one female was cohabitated with one male of the same treatment group, avoiding sibling mating).
- Length of cohabitation: A maximum of 13 days was allowed for mating.
- Proof of pregnancy: Detection of mating was confirmed by evidence of sperm in the vaginal lavage and/or by the appearance of an intravaginal copulatory plug. This day was designated Day 0 post-coitum. Once mating had occurred, the males and females were separated.
- After successful mating each pregnant female was caged individually in Macrolon cages (MIII type, height 18 cm). - Analytical verification of doses or concentrations:
- yes
- Details on analytical verification of doses or concentrations:
- Samples (0.5 mL) were taken using a pipette (a clean pipette tip was used for every group), and were weighed on an analytical balance at 4 decimals precision. During sampling, formulations were placed on a magnetic stirrer. Immediately after sampling (accuracy and homogeneity samples) or after 5 hours at room temperature under normal laboratory light conditions (stability samples), samples were stored on dry ice. Samples remained on dry ice until receipt at ABL, The Netherlands, where samples were stored at ≤-70 °C until analysis. Samples of formulations were analyzed for homogeneity (highest and lowest concentration) and accuracy of preparation (all concentrations). Stability in vehicle over 5 hours at room temperature under normal laboratory light conditions was also determined (highest and lowest concentration). The accuracy of preparation was considered acceptable if the mean measured concentrations were 90-110 % of the target concentration. Homogeneity was demonstrated if the coefficient of variation was ≤10 %. Formulations were considered stable if the relative difference before and after storage was maximally 10 %. No test substance was detected in the Group 1 formulations. The concentrations analysed in the formulations of Group 2, 3 and 4 were in agreement with target concentrations (i.e. mean accuracies between 90 % and 110 %). The formulations of Group 2 and 4 were homogeneous (i.e. coefficient of variation ≤10 %). Formulations at the entire range were stable when stored at room temperature under normal laboratory light conditions for at least 5 hours (i.e. relative difference ≤10 %). The long term storage samples were stable at ≤-70 °C for at least 14 days.
- Duration of treatment / exposure:
- Males were exposed for 28 days, i.e. 2 weeks prior to mating, during mating, and up to termination. Females were exposed for 42-49 days, i.e. during 2 weeks prior to mating, during mating, during post-coitum, and during at least 4 days of lactation. Two females of Group 1, one of Group 2, one of Group 3 and two females of Group 4 were not dosed during littering.
- Frequency of treatment:
- Once daily for 7 d/w.
- Details on study schedule:
- - Age at mating of the animals in the study: Approximately 13 weeks
Doses / concentrationsopen allclose all
- Dose / conc.:
- 0 mg/kg bw/day (actual dose received)
- Remarks:
- Group 1 (Control group)
- Dose / conc.:
- 100 mg/kg bw/day (actual dose received)
- Remarks:
- Group 2 (Low dose group)
- Dose / conc.:
- 300 mg/kg bw/day (actual dose received)
- Remarks:
- Group 3 (Mid dose group)
- Dose / conc.:
- 1 000 mg/kg bw/day (actual dose received)
- Remarks:
- Group 4 - (High dose group)
- No. of animals per sex per dose:
- 10
- Control animals:
- yes, concurrent vehicle
- Details on study design:
- - Dose selection rationale: Dose levels were based on a 28-day toxicity study (RCC Project 847223) in which Wistar rats were dosed at 50, 200 and 1000 mg/kg/day. The mean level of leucocytes (urinalysis) was increased in males treated at 1000 mg/kg. The mean level of sodium was increased in males treated with 200 mg/kg and in both sexes at 1000 mg/kg. Based on the results of this study, 50 mg/kg body weight/day was established as the no-observed-effect-level (NOEL), and 1000 mg/kg of FAT 40'810/A as the no observed-adverse-effect-level (NOAEL).
- Positive control:
- no
Examinations
- Parental animals: Observations and examinations:
- CAGE SIDE OBSERVATIONS
- Time schedule: At least twice daily.
DETAILED CLINICAL OBSERVATIONS
- Time schedule: Daily from start of treatment onwards, detailed clinical observations were made in all animals. The time of onset, grade and duration of any observed sign was recorded. Signs were graded for severity.
BODY WEIGHT
- Time schedule for examinations: Males and females were weighed on the first day of exposure and weekly thereafter. Mated females were weighed on Days 0, 4, 7, 11, 14, 17 and 20 post-coitum and during lactation on Days 1 and 4.
FOOD CONSUMPTION
- Weekly, except for males and females which were housed together for mating and for females without evidence of mating. Food consumption of mated females was measured on Days 0, 4, 7, 11, 14, 17 and 20 postcoitum and on Days 1 and 4 of lactation.
FOOD EFFICIENCY
- (average food consumption [per animal per day]/average body weight per cage)x1000
WATER CONSUMPTION
No. Subjective appraisal was maintained during the study, but no quantitative investigation introduced as no effect was suspected.
OPHTHALMOSCOPIC EXAMINATION
No.
HAEMATOLOGY
No.
CLINICAL CHEMISTRY
No.
URINALYSIS
No.
NEUROBEHAVIOURAL EXAMINATION
No. - Oestrous cyclicity (parental animals):
- Not determined.
- Sperm parameters (parental animals):
- Slides of the testes were prepared for histopathological staging of spermatogenesis for all males of the control and high dose group and animals suspected to be infertile.
- Litter observations:
- PARAMETERS EXAMINED
The following parameters were examined in F1 offspring:
number and sex of pups, stillbirths, live births, postnatal mortality, presence of gross abnomalies, weight gain, physical or behavioural abnormalities.
- Mortality: The numbers of live and dead pups on Day 1 of lactation and daily thereafter were determined. If possible, defects or cause of death were evaluated.
- Clinical signs: At least once daily, detailed clinical observations were made in all animals.
- Body weights: Live pups were weighed on Days 1 and 4 of lactation.
- Sex: Sex was determined for all pups on Days 1 and 4 of lactation (by assessment of the ano-genital distance).
GROSS EXAMINATION OF DEAD PUPS
Yes, if possible, defects or cause of death were evaluated. - Postmortem examinations (parental animals):
- GROSS PATHOLOGY:
- All animals were deeply anaesthetised and subsequently exsanguinated. The animals were not deprived of food overnight.
- According to test guidelines
ORGAN WEIGHTS
- All males: Epididymides and testes
HISTOPATHOLOGY:
- According to test guidelines - Postmortem examinations (offspring):
- SACRIFICE
Pups surviving to planned termination were killed by decapitation on lactation Days 5-7.
GROSS NECROPSY
All pups were sexed and descriptions of all external abnormalities were recorded. The stomach was examined for the presence of milk. If possible, defects or cause of death were evaluated.
HISTOPATHOLOGY / ORGAN WEIGHTS
No. - Statistics:
- The following statistical methods were used to analyze the data:
- If the variables could be assumed to follow a normal distribution, the Dunnett-test (Ref. 1; many-to-one t-test) based on a pooled variance estimate was applied for the comparison of the treated groups and the control groups for each sex.
- The Steel-test (Ref. 2; many-to-one rank test) was applied if the data could not be assumed to follow a normal distribution.
- The Fisher Exact-test (Ref. 3) was applied to frequency data.
All tests were two-sided and in all cases p <0.05 was accepted as the lowest level of significance. Group means were calculated for continuous data and medians were calculated for discrete data (scores) in the summary tables. Test statistics were calculated on the basis of exact values for means and pooled variances. Individual values, means and standard deviations may have been rounded off before printing. Therefore, two groups may display the same printed means for a given parameter, yet display different test statistics values.
References:
Ref. 1 Dunnett C.W., A Multiple Comparison Procedure for Comparing Several Treatments with a Control, J. Amer. Stat. Assoc. 50, 1096-1121 (1955).
Ref. 2 Miller R.G., Simultaneous Statistical Inference, Springer Verlag, New York (1981).
Ref. 3 Fisher R.A., Statistical Methods for Research Workers, Oliver and Boyd, Edinburgh (1950). - Reproductive indices:
- For each group, the following calculations were performed:
- Mating index: Number of females mated/Number of females paired x 100
- Fertility index: Number of pregnant females/Number of females paired x 100
- Conception index: Number of pregnant females/Number of females mated x 100
- Gestation index: Number of females bearing live pups/Number of pregnant females x 100
- Duration of gestation: Number of days between confirmation of mating and the beginning of parturition - Offspring viability indices:
- - Percentage live males at First Litter Check: Number of live male pups at First Litter Check/Number of live pups at First Litter Check x 100
- Percentage live females at First Litter Check: Number of live female pups at First Litter Check/Number of live pups at First Litter Check x 100
- Percentage of postnatal loss Days 0-4 of lactation: Number of dead pups on Day 4 of lactation/Number of live pups at First Litter Check x 100
- Viability index: Number of live pups on Day 4 of lactation / Number of pups born alive x 100
Results and discussion
Results: P0 (first parental generation)
General toxicity (P0)
- Clinical signs:
- no effects observed
- Description (incidence and severity):
- No clinical signs of toxicity related to test substance treatment were noted during the observation period. Red faeces was noted for all animals at 300 and 1000 mg/kg. In addition, at 1000 mg/kg all animals showed orange staining of the tail and red discolouration of urine. These findings were caused by the staining properties of the test substance, and not regarded toxicologically relevant.
- Mortality:
- no mortality observed
- Description (incidence):
- No mortality occurred during the study period.
- Body weight and weight changes:
- effects observed, non-treatment-related
- Description (incidence and severity):
- Body weights and body weight gain of treated animals remained in the same range as controls over the treatment period.
The statistically significantly decreased body weight gain at 100 mg/kg on Day 4 of lactation was not considered toxicologically relevant as the value was within normal limits and no dose response relationship was apparent. - Food consumption and compound intake (if feeding study):
- effects observed, non-treatment-related
- Description (incidence and severity):
- No toxicologically relevant changes in food consumption before or after allowance for body weight were noted.
The statistically significantly increased values noted during the post-coitum phase for treated females were not considered toxicologically relevant as all values were within normal, these concerned slight increases and no dose response relationship was noted. - Water consumption and compound intake (if drinking water study):
- no effects observed
- Organ weight findings including organ / body weight ratios:
- no effects observed
- Histopathological findings: non-neoplastic:
- no effects observed
- Description (incidence and severity):
- Microscopic examination did not reveal any toxicologically relevant alterations up to 1000 mg/kg. Phagocytosed yellow-brown granular pigment was recorded at minimal or slight degree in the interstitium of the testes in two males at 300 mg/kg and in all ten males at 1000 mg/kg. Similar pigment also at minimal or slight degree was noted in the epididymides of one male at 100 mg/kg, four males at 300 mg/kg and all ten males at 1000 mg/kg, and in the subcutis of the skin at minimal degree in six males at 1000 mg/kg. This finding was the histologic correlate of the discolouration noted at necropsy in these organs. Similar pigment also at minimal or slight degree was also recorded in the ovaries of all ten females at 1000 mg/kg and in one female at 300 mg/kg. As phagocytosis of this material was noted only at minor degrees and was not accompanied by any adverse cellular response, it was not considered toxicologically relevant. It was considered most likely to represent the test material which in the dose formulation was dark red in colour. Sperm granuloma were recorded in the epididymites of two animals in each group at 100 mg/kg (moderate and severe), 300 mg/kg (moderate and severe) and 1000 mg/kg (slight and moderate), and were the histologic correlates to the nodules noted at necropsy in this organ. This is a not uncommon finding in male rats of this age and in this type of study and were therefore considered as probably unrelated to treatment. Animal number 25 (suspected infertile) had a unilateral severe grade of sperm granuloma which may have influenced the apparent lack of reproductive performance. There were no microscopic findings in any of the other animals suspected of infertility which could explain their lack of reproductive performance. The remaining recorded microscopic findings were within the range of background pathology encountered in Wistar (Han) rats of this age in this type of study and occurred at similar incidences and severity in both control and treated rats. The spermatogenic staging profiles were normal for all males evaluated.
- Histopathological findings: neoplastic:
- not examined
- Other effects:
- not examined
Reproductive function / performance (P0)
- Reproductive function: oestrous cycle:
- not examined
- Reproductive function: sperm measures:
- no effects observed
- Reproductive performance:
- no effects observed
Details on results (P0)
No toxicologically relevant effects on reproductive parameters were noted. Mating, fertility and conception indices, precoital time, and number of corpora lutea and implantation sites were unaffected by treatment.
Effect levels (P0)
- 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: No toxicity was observed up to the highest dose level tested.
Target system / organ toxicity (P0)
- Critical effects observed:
- no
Results: F1 generation
General toxicity (F1)
- Clinical signs:
- no effects observed
- Mortality / viability:
- no mortality observed
- Body weight and weight changes:
- no effects observed
- Sexual maturation:
- not examined
- Organ weight findings including organ / body weight ratios:
- not examined
- Gross pathological findings:
- no effects observed
- Histopathological findings:
- not examined
Details on results (F1)
No toxicologically relevant effects on gestation index and duration, parturition, maternal care and early postnatal pup development (mortality, clinical signs, body weight and macroscopy) were observed. The statistically significantly changes noted for duration of gestation, postnatal loss and viability index at 300 mg/kg were not considered toxicologically relevant as all values were within normal and no dose response relationship was seen.
MORTALITY PUPS
Five pups of the control group, three pups at 100 mg/kg, six pups at 300 mg/kg and six pups at 1000 mg/kg were found dead or missing during the first days of lactation. In addition, one pup at 100 mg/kg was killed in extremis on Day 4 of lactation. Pups missing were most likely cannibalised. No toxicological relevance was attributed to these dead/missing pups since the mortality incidence did not show a dose-related trend and remained within the range considered normal for pups of this age.
OBSERVATIONS
The one pup at 100 mg/kg that was killed in extremis on Day 4 of lactation showed a cold, pale and lean appearance, little or no milk in the stomach and a wound at the right flank. This pup showed a body weight loss of 24 %; his body weight was 5.5 gram on Day 1 and 4.2 gram on Day 4 of lactation. Incidental findings of pups that were found dead included cannibalism, (beginning) autolysis, and absence of milk in the stomach. Findings noted for surviving pups included a scar on the nose for one pup and one pup showed a blue spot on the nose. The nature and incidence of these findings remained within the range considered normal for pups of this age, and were therefore considered to be of no toxicological relevance.
Effect levels (F1)
- Dose descriptor:
- NOAEL
- Generation:
- F1
- Effect level:
- 1 000 mg/kg bw/day (actual dose received)
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- other: No toxicity was observed up to the highest dose level tested
Target system / organ toxicity (F1)
- Critical effects observed:
- no
Overall reproductive toxicity
- Reproductive effects observed:
- no
Any other information on results incl. tables
Analysis of dose preparations
No test substance was detected in the Group 1 formulations.
The concentrations analysed in the formulations of Group 2, 3 and 4 were in agreement with target concentrations (i.e. mean accuracies between 90 % and 110 %). The formulations of Group 2 and 4 were homogeneous (i.e. coefficient of variation ≤10 %). Formulations at the entire range were stable when stored at room temperature under normal laboratory light conditions for at least 5 hours (i.e. relative difference ≤ 10%). The long term storage samples were stable at ≤-70 °C for at least 14 days.
Applicant's summary and conclusion
- Conclusions:
- In conclusion, treatment with FAT 40810/B by oral gavage in male and female Wistar Han rats at dose levels of 100, 300 and 1000 mg/kg revealed no parental, reproduction or developmental toxicity for treatment up to 1000 mg/kg. Based on these results, a parental, reproduction and developmental No Observed Adverse Effect Level (NOAEL) of at least 1000 mg/kg was derived.
- Executive summary:
FAT 40810/B was evaluated for reprotoxic effects according to OECD test guideline 421 in a GLP-certified laboratory. The test substance was administered by daily oral gavage to male and female Wistar Han rats at dose levels of 100, 300 and 1000 mg/kg. Males were exposed for 2 weeks prior to mating, during mating, and up to termination (for 28 days). The females were exposed for 2 weeks prior to mating, during mating, during post-coitum, and at least 4 days of lactation (for 42-49 days). The following observations and examinations were evaluated: mortality / viability, clinical signs (daily), body weight and food consumption (at least at weekly intervals), macroscopy at termination, organ weights and histopathology on a selection of tissues, and reproduction/developmental parameters, consisting of mating, fertility and conception indices, precoital time, number of corpora lutea and implantation sites, gestation index and duration, parturition, maternal care, sex ratio and early postnatal pup development (mortality, clinical signs, body weights and macroscopy). Formulations were analyzed once during the study to assess accuracy, homogeneity and stability.
Results: Accuracy, homogeneity and stability of formulations were demonstrated by analyses. No parental, reproduction or developmental toxicity was observed up to the highest dose level tested (1000 mg/kg).
Conclusion: Treatment with FAT 40810/B by oral gavage in male and female Wistar Han rats at dose levels of 100, 300 and 1000 mg/kg revealed no parental, reproduction or developmental toxicity for treatment up to 1000 mg/kg. Based on these results, a parental, reproduction and developmental No Observed Adverse Effect Level (NOAEL) of at least 1000 mg/kg was derived.
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