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EC number: - | 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
Toxicity to reproduction
Administrative data
- Endpoint:
- screening for reproductive / developmental toxicity
- Remarks:
- based on test type (migrated information)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- November 29, 2007-January 28, 2008
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study has been performed according to OECD guidelines and according to GLP principles.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
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 Environmental Protection Agency (EPA) Health Effects Test Guidelines OPPTS 870.3550, Reproduction/Developmental Toxicity Screening Test, July 2000.
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Limit test:
- no
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): Corsair Resin 5
- Substance type: UVCB
- Physical state: beige solid granules
- Stability under test conditions: stable
- Storage condition of test material: At room temperature in the dark
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.
- Age at study initiation: (P) Approximately 10 weeks;
- Weight at study initiation: (P) mean weights Females: 193-197 g; Males: 284-287 g
- Fasting period before study: not applicable
- Housing:
Pre-mating: Animals were housed in groups of 5 animals/sex/cage in Macrolon cages (MIV type).
Mating: Females were caged together with males on a one-to-one-basis in Macrolon cages (MIII type).
Post-mating: Males were housed in their home cage (Macrolon cages, MIV type) with a maximum of 5 animals/sex/cage. Females were individually housed in Macrolon cages (MIII type).
Lactation: Offspring was kept with the dam until termination.
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: At least 5 days prior to start of treatment.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20.2 – 22.2
- Humidity (%): 25 - 84%
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light): 12/12
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- corn oil
- Details on exposure:
- PREPARATION OF DOSING SOLUTIONS:
Formulations (w/w) were prepared daily within 4 hours prior to dosing and were homogenised to a visually acceptable level. Adjustment was made for specific gravity of the vehicle. No correction was made for the purity of the test substance.
VEHICLE
- Justification for use and choice of vehicle (if other than water): Based on trial formulations
- Concentration in vehicle: 50, 150, 1000 mg/kg
- Amount of vehicle (if gavage): 2 ml/kg bw - Details on mating procedure:
- - M/F ratio per cage: 1/1
- Length of cohabitation: until mating was confirmed.
- Proof of pregnancy: vaginal plug or sperm in vaginal smear referred to as day 0 of pregnancy
- After successful mating each pregnant female was caged: individually - Analytical verification of doses or concentrations:
- no
- Details on analytical verification of doses or concentrations:
- No chemical analyses were conducted, since no analytical method could be developed for formulations of test substance in corn oil.
- Duration of treatment / exposure:
- Males were exposed for 31 days, i.e. 2 weeks prior to mating, during mating, and up to termination.
Females were exposed for 41 to 52 days, i.e. during 2 weeks prior to mating, during mating, during post-coitum, and during at least 3 days of lactation. - Frequency of treatment:
- 7 days per week, approximately the same time each day with a maximum of 4 ½ hours difference between the earliest and latest dose. Animals were dosed up to the day prior to scheduled necropsy. Female 66 was not dosed on Day 12 of treatment due to bad health.
- Details on study schedule:
- - Age at mating of the mated animals in the study: 12 weeks
Doses / concentrations
- Remarks:
- Doses / Concentrations:
50, 150 and 1000 mg/kg bw
Basis:
actual ingested
- No. of animals per sex per dose:
- 10
Dose level
mg/kg b.w./day Number of animals
F0 males F0 females
0 10 15
50 10 11
150 10 10
1000 10 10
Due to a dosing error on 13 December 2007, females 46 to 50 (Group 1) were removed from the study. Five additional females (numbers 81 to 85) were added to Group 1.
Due to accidental death of Female 57 (Group 2) on 17 December 2007, one additional female (number 86) was added to this group on 18 December 2007. - Control animals:
- yes, concurrent vehicle
- Details on study design:
- - Dose selection rationale: The dose levels were based on a 5-day dose range finding study in which female Wistar Han rats were exposed to 500 and 1000 mg/kg for five consecutive days. No toxicity was observed.
Examinations
- Parental animals: Observations and examinations:
- CAGE SIDE OBSERVATIONS: Yes
- Time schedule: At least twice daily.
- Cage side observations : Mortality / Viability
DETAILED CLINICAL OBSERVATIONS: Yes
- Time schedule: At least once daily
BODY WEIGHT: Yes
- 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 of gestation, and during lactation on days 1 and 4. In order to monitor the health status, Female 66 was also weighed on Day 11 of treatment (160 gram).
FOOD CONSUMPTION : Yes
- Food consumption for each animal determined and mean daily diet consumption calculated as g food/kg body weight/day: Yes
WATER CONSUMPTION : No
REPRODUCTION PROCESSES: Male number paired with, mating date, confirmation of pregnancy, and delivery day was recorded. - Sperm parameters (parental animals):
- Of the males of the control and high dose group, additional slides of the testes were prepared to examine staging of spermatogenesis. The testes were processed, sectioned at 3-4 microns, and stained with PAS/haematoxylin.
- Litter observations:
- Mortality / Viability: The numbers of live and dead pups at the First Litter Check (= check at day 1 of lactation) and daily thereafter was 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 during lactation on days 1 and 4.
Sex: Was determined for all pups on days 1 and 4 of lactation (by assessment of the ano-genital distance). - Postmortem examinations (parental animals):
- SACRIFICE
- Male animals: All surviving animals, after completion of the mating period (a minimum of 28 days of dose administration)
- Maternal animals: All surviving animals, on lactation day 4 or shortly thereafter.
GROSS NECROPSY
- Gross necropsy consisted of examination of the cranial, thoracic and abdominal tissues and organs, with special attention being paid to the reproductive organs.
HISTOPATHOLOGY / ORGAN WEIGHTS
Samples of the following tissues and organs were collected and prepared:
Cervix, Clitoral gland, Coagulation gland, Epididymides, Ovaries, Pituitary gland, Preputial gland, Prostate gland, Seminal vesicles, Testes, Uterus, Vagina, All gross lesions
Epididymides and Testes were weighed. - Postmortem examinations (offspring):
- Pups were killed by decapitation on day 4 of lactation or shortly thereafter.
All offspring was sexed and externally examined if practically possible. The stomach was examined for the presence of milk. Descriptions of all external abnormalities were recorded. If possible, defects or cause of death were evaluated. - Statistics:
- The following statistical methods were used to analyse the data:
- If the variables could be assumed to follow a normal distribution, the Dunnett-test (Dunnett, 1955) (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 (Miller, 1981) (many-to-one rank test) was applied if the data could not be assumed to follow a normal distribution.
- The Fisher Exact-test (Fisher, 1950) 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.
No statistical analysis was performed on histopathology findings. - Reproductive indices:
- Percentage mating: Number of females mated x 100/Number of females paired
Fertility index: Number of pregnant females x 100/Number of females paired
Conception rate: Number of pregnant females x 100/Number of females mated
Gestation index: Number of females bearing live pups x 100/Number of pregnant females
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 x 100/Number of live pups at First Litter Check
Percentage live females at First Litter Check: Number of live female pups at First Litter Check x 100/Number of live pups at First Litter Check
Percentage of postnatal loss days 0-4 post partum: Number of dead pups on day 4 post partum x 100/Number of live pups at First Litter Check
Viability index: Number of live pups on day 4 post partum x 100/Number of pups born alive
Results and discussion
Results: P0 (first parental generation)
General toxicity (P0)
- Clinical signs:
- no effects observed
- Body weight and weight changes:
- no effects observed
- Food consumption and compound intake (if feeding study):
- no effects observed
- Organ weight findings including organ / body weight ratios:
- no effects observed
- Histopathological findings: non-neoplastic:
- no effects observed
- Other effects:
- not examined
Reproductive function / performance (P0)
- Reproductive function: oestrous cycle:
- not examined
- Reproductive function: sperm measures:
- not examined
- Reproductive performance:
- no effects observed
Effect levels (P0)
- Dose descriptor:
- NOAEL
- Remarks:
- parental, reproduction and breeding
- Effect level:
- >= 1 000 mg/kg bw/day (actual dose received)
- Sex:
- male/female
- Basis for effect level:
- other: There were no treatment related changes for mortality, clinical signs, body weight, food consumption, macroscopic and microscopic examination, organ weights, reproduction, and breeding data up to 1000 mg/kg.
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
Effect levels (F1)
- Dose descriptor:
- NOAEL
- Remarks:
- developmental
- Generation:
- F1
- Effect level:
- >= 1 000 mg/kg bw/day (actual dose received)
- Sex:
- male/female
- Basis for effect level:
- other: There were no treatment related changes for pup development up to 1000 mg/kg.
Overall reproductive toxicity
- Reproductive effects observed:
- not specified
Applicant's summary and conclusion
- Conclusions:
- Treatment with Corsair Resin 5 by oral gavage in male and female Wistar Han rats at dose levels of 50, 150 and 1000 mg/kg body weight/day revealed no parental, reproduction, breeding and developmental toxicity for treatment up to 1000 mg/kg body weight/day.
Based on these findings, the parental, reproduction, breeding and developmental No Observed Adverse Effect Level (NOAEL) was established at least at 1000 mg/kg body weight/day.
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