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EC number: 935-847-3 | CAS number: 1369773-39-6
- 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
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Oct 2014 - Apr 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 402 (Acute Dermal Toxicity)
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.3 (Acute Toxicity (Dermal))
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.1200 (Acute Dermal Toxicity)
- Qualifier:
- according to guideline
- Guideline:
- other: JMAFF Guidelines (2000)
- GLP compliance:
- yes
- Test type:
- fixed dose procedure
Test material
- Reference substance name:
- calcium bis(3-{[(2S,4R)-1-{[1,1'-biphenyl]-4-yl}-5-ethoxy-4-methyl-5-oxopentan-2-yl]carbamoyl}propanoate)
- EC Number:
- 935-847-3
- Cas Number:
- 1369773-39-6
- Molecular formula:
- C48H56CaN2O10
- IUPAC Name:
- calcium bis(3-{[(2S,4R)-1-{[1,1'-biphenyl]-4-yl}-5-ethoxy-4-methyl-5-oxopentan-2-yl]carbamoyl}propanoate)
- Test material form:
- solid: particulate/powder
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- Rat, Wistar strain, Crl:WI (Han) (outbred, SPF-Quality).
Conditions
Environmental controls for the animal room were set to maintain 18 to 24°C, a relative humidity of 40 to 70%, at least 10 air changes/hour, and a 12-hour light/12-hour dark cycle. Any variations to these conditions were maintained in the raw data and had no effect on the outcome of the study.
Accommodation
Individually housed in labeled Makrolon cages (MIII type, height 18 cm.) containing sterilized sawdust as bedding material (Lignocel S 8-15, JRS - J.Rettenmaier & Söhne GmbH + CO. KG, Rosenberg, Germany) and paper as cage-enrichment (Enviro-dri, Wm. Lillico & Son (Wonham Mill Ltd), Surrey, United Kingdom).
Acclimatization period was at least 5 days before start of treatment under laboratory conditions.
During the acclimatization period the animals were group housed in Makrolon cages (MIV type, height 18 cm).
Diet
Free access to pelleted rodent diet (SM R/M-Z from SSNIFF® Spezialdiäten GmbH, Soest, Germany).
Water
Free access to tap water.
Diet, water, bedding and cage enrichment evaluation for contaminants and/or nutrients was performed according to facility standard procedures. There were no findings that could interfere with the study.
Administration / exposure
- Type of coverage:
- not specified
- Vehicle:
- water
- Details on dermal exposure:
- One day before exposure (Day -1) an area of approximately 5x7 cm on the back of each animal was clipped.
The formulation was applied on an area of approx. 10% of the total body surface, i.e. approx. 25 cm² for males and 18 cm² for
females. The formulation was held in contact with the skin with a dressing, consisting of a surgical gauze patch (Surgy 1D)*,
successively covered with aluminum foil and Coban elastic bandage*. A piece of Micropore tape* was additionally used for fixation of the bandages in females only. - Duration of exposure:
- Single dosage, on Day 1
- Doses:
- 2000 mg/kg (10 mL/kg) body weight
- No. of animals per sex per dose:
- 5 males and 5 females
- Control animals:
- no
- Details on study design:
- Calcium bis (4-{[ (1S, 3R)-1-(biphenyl-4-ylmethyl)-4-ethoxy-3-methyl-4-oxobutyl]amino}-4-oxobutanoate) was administered to five Wistar rats of each sex by a single dermal application at 2000 mg/kg body weight for 24 hours. Animals were subjected to daily observations and weekly determination of body weight. Macroscopic examination was performed after terminal sacrifice
(Day 15).
The study was carried out based on the guidelines described in:
OECD No.402 (1987) "Acute Dermal Toxicity"
Commission Regulation (EC) No 440/2008, B3: "Acute Toxicity (Dermal)"
EPA, OPPTS 870.1200 (1998), "Acute Dermal Toxicity"
JMAFF Guidelines (2000), including the most recent revisions.
Results and discussion
Effect levels
- Key result
- Sex:
- male/female
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- not determinable due to absence of adverse toxic effects
- Mortality:
- No mortality occurred.
- Clinical signs:
- other: No clinical signs were noted for the animals. White staining was seen on the treated skin-area of all animals on Days 2 and/or 3. Additionally, scales were noted for one animal between Days 4 and 7.
- Gross pathology:
- No abnormalities were found at macroscopic post mortem examination of the animals.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The dermal LD50 value of Calcium bis (4-{[ (1S, 3R)-1-(biphenyl-4-ylmethyl)-4-ethoxy-3-methyl-4-oxobutyl]amino}-4-oxobutanoate) in Wistar rats was established to exceed 2000 mg/kg body weight.
Based on these results, Calcium bis (4-{[ (1S, 3R)-1-(biphenyl-4-ylmethyl)-4-ethoxy-3-methyl-4-oxobutyl]amino}-4-oxobutanoate) does not have to be classified and has no obligatory labelling requirement for acute dermal toxicity according to the:
- Globally Harmonized System of Classification and Labelling of Chemicals (GHS) of the United Nations (2011) (including all amendments).
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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