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EC number: 233-135-0 | CAS number: 10043-01-3
- 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
Respiratory sensitisation
Administrative data
- Endpoint:
- respiratory sensitisation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Reliable without restrictions. Well-presented study, with relevant measurement of chemical concentrations
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: exacerbation and development of bronchial asthma.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Aluminium sulphate
- EC Number:
- 233-135-0
- EC Name:
- Aluminium sulphate
- Cas Number:
- 10043-01-3
- Molecular formula:
- Al.3/2H2O4S; General formula Al2(OH)x(SO4)(3-x/2), with x=0 and x=3 and x ranging from 0 to 3.
- IUPAC Name:
- Aluminium sulphate
- Details on test material:
- - Name of test material (as cited in study report):Aluminium sulfate
Constituent 1
Test animals
- Species:
- mouse
- Strain:
- Balb/c
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- Pregnant female BALB/c mice were exposed to aerosolized leachate of residual oil fly ash (ROFA, 50 mg/ml, 30 min) at 5, 3, and 1 d before delivery.
Offspring were treated once at 3 d of age with ovalbumin (OVA, 5 mug) and alum (ip), an intentionally suboptimal dose for sensitization, exposed to aerosolized OVA (1%, 10 min) at 12-14 d or 32-35 d of age, and evaluated 2 d after the final exposure.
Test system
- Route of induction exposure:
- other: Intraperitoneal
- Route of challenge exposure:
- inhalation
- Vehicle:
- other: aerosolized leachate of residual oil fly ash
- Concentration:
- (1% aluminium sulphate)
- Details on study design:
- Pregnant female BALB/c mice were exposed to aerosolized leachate of residual oil fly ash (ROFA, 50 mg/ml, 30 min) at 5, 3, and 1 d before delivery. Offspring were treated once at 3 d of age with ovalbumin (OVA, 5 mug) and aluminium sulphate (ip), an intentionally suboptimal dose for sensitization, exposed to aerosolized OVA (1%, 10 min) at 12-14 d or 32-35 d of age, and evaluated 2 d after the final exposure.
Results and discussion
- Results:
- The offspring of ROFA-exposed mothers (ROFA group) revealed increasing airway hyperresponsiveness (higher enhanced pause [Penh] to methacholine challenge) and elevated substantial numbers of eosinophils in the bronchoalveolar lavage flued (BALF).
Histopathology revealed prominent inflammation in the lungs of ROFA group and showed increased allergen-specific IgE and IgG1 levels. Their cultured splenocytes showed an enhanced interleukin (IL)-4/interferon (IFN)-gamma cytokine, indicating Th2 skewed immunity.
Applicant's summary and conclusion
- Interpretation of results:
- sensitising
- Conclusions:
- Data indicate that exposure of pregnant female mice to an air pollutant aerosol increased asthma susceptibility in their offspring.
- Executive summary:
Air pollution contributes to both exacerbation and development of bronchial asthma. Studies showed that coexposure to air pollution directly promotes sensitization to inhaled allergen in neonatal mice. The aim of this study was to investigate whether prenatal exposure to air pollution could also increase susceptibility to development of asthma in early life.
Pregnant female BALB/c mice were exposed to aerosolized leachate of residual oil fly ash (ROFA, 50 mg/ml, 30 min) at 5, 3, and 1 d before delivery. Offspring were treated once at 3 d of age with ovalbumin (OVA, 5 mug) and alum (ip), an intentionally suboptimal dose for sensitization, exposed to aerosolized OVA (1%, 10 min) at 12-14 d or 32-35 d of age, and evaluated 2 d after the final exposure. The offspring of ROFA-exposed mothers (ROFA group) revealed increasing airway hyperresponsiveness (higher enhanced pause [Penh] to methacholine challenge) and elevated substantial numbers of eosinophils in the bronchoalveolar lavage flued (BALF).
Histopathology revealed prominent inflammation in the lungs of ROFA group and showed increased allergen-specific IgE and IgG1 levels. Their cultured splenocytes showed an enhanced interleukin (IL)-4/interferon (IFN)-gamma cytokine, indicating Th2 skewed immunity.
Data indicate that exposure of pregnant female mice to an air pollutant aerosol increased asthma susceptibility in their offspring.
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