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Diss Factsheets
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EC number: 208-011-4 | CAS number: 505-52-2
- 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
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Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012-09-03 to 2012-09-18
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: 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 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Version / remarks:
- (2001)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
- Version / remarks:
- (2008)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPP 81-1 (Acute Oral Toxicity)
- Version / remarks:
- (2002)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- acute toxic class method
- Limit test:
- yes
Test material
- Reference substance name:
- Tridecanedioic acid
- EC Number:
- 208-011-4
- EC Name:
- Tridecanedioic acid
- Cas Number:
- 505-52-2
- Molecular formula:
- C13H24O4
- IUPAC Name:
- tridecanedioic acid
- Reference substance name:
- Brassylic acid
- IUPAC Name:
- Brassylic acid
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): Brassylic acid/Tridecanedioic acid
- Physical state:White powder
- Analytical purity: 99.42 %
- Lot/batch No.:3311050098 of 22 August 2011
- Expiration date of the lot/batch:27 Jun 2013
- Storage condition of test material: At room temperature
Constituent 1
Constituent 2
Test animals
- Species:
- rat
- Strain:
- other: CD / Crl: CD(SD)
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River Laboratories, Research Models and Services, Germany GmbH, Sandhofer Weg 7, 97633 Sulzfeld, Germany
- Age at start of administration: Approx. 8 weeks
- Weight at start of administration: 164 - 183 g
- Fasting period before study:
- Housing: During the 14-day observation period the animals were kept in groups of 3 animals in MAKROLON cages (type III plus). Granulated textured wood was used as bedding material for the cages.
- Diet:Commercial diet, ssniff® R/M-H V1534 (Certificates of analysis provided) ; discontinued approx. 16 hours before administration
- Water: tap water ad libitum
- Acclimation period: At least 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C):22°C ± 3°C
- Humidity (%): 55% ± 15%
- Air changes (per hr): 12 to 18-fold air change per hour
- Photoperiod (hrs dark / hrs light): 12 hrs dark/12 hrs light (about 150 lux at approx. 1.50 m room height)
IN-LIFE DATES: From: August 21, 2012 To:September 18, 2012
IN-LIFE DATES: From: August 21, 2012; To:September 18, 2012
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- other: 0.8% aqueous hydroxypropylmethylcellulose
- Details on oral exposure:
- VEHICLE
- Amount of vehicle (if gavage): 10 mL/kg bw
- Lot/batch no. (if required): 11 A 27-N27
CLASS METHOD (if applicable)
- Rationale for the selection of the starting dose: A limit test at one dose level of 2000 mg/kg bw was carried out on 6 female animals - Doses:
- 2000 mg/kg bw (limit test)
- No. of animals per sex per dose:
- 6 female animals
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Observations were performed before and immediately, 5, 15, 30 and 60 min, as well as 3, 6 and 24 hours after administration. All surviving animals were observed for a period of 14 days. Individual body weights were recorded before administration of the testsubstance and thereafter in weekly intervals up to the end of the study.
- Necropsy of survivors performed: yes (all animals)
- Other examinations performed: changes of skin and fur, eyes and mucous membranes, respiratory and the circulatory,autonomic and central nervous system and somatomotor activity as well as behaviour pattern were observed at least once a day until all symptoms subsided, thereafter each working day. Any tremors, convulsions, salivation, diarrhoea, lethargy, sleep and coma were also noted. - Statistics:
- No statistical analysis was performed as the method used is not intended to allow a calculation of a precise LD50 value.
Results and discussion
Effect levels
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Remarks on result:
- other: 24 hrs and 14 days
- Mortality:
- No death was recorded within the test period.
- Clinical signs:
- other: No clinical signs were noted.
- Gross pathology:
- No pathological changes were observed at necropsy.
- Other findings:
- - Histopathology:
No histopathology was carried out as no macroscopical findings were noted at autopsy.
Any other information on results incl. tables
Study report attachment:
LPT 28719 (Table 3 Bodyweights)
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- In this acute oral toxicity study in rats (limit test), the LD 50 (females) for Brassylic acid was > 2000 mg/kg bw.
- Executive summary:
In an acute oral toxicity study, 6 female rats (CD/Crl: CD(SD) were given a single oral dose of Brassylci acid in 0.8% aqueous hydroxypropylmethylcellulose by gavage at a dose of 2000 mg/kg bw.
Animals were then observed for 14 days. There were no deaths and no treatment-related clinical signs, necropsy findings or changes in body weight during the study.
Oral LD50 Females = > 2000 mg/kg bw (Limit test with no mortalities)
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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