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EC number: 242-424-0 | CAS number: 18559-94-9
- 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
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1999
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Salbutamol
- EC Number:
- 242-424-0
- EC Name:
- Salbutamol
- Cas Number:
- 18559-94-9
- Molecular formula:
- C13H21NO3
- IUPAC Name:
- 4-[2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol
- Test material form:
- solid: particulate/powder
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 28 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Reference substance
- Reference substance:
- acetic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Remarks:
- bottle A
- Value:
- ca. 1.9
- Sampling time:
- 29 d
- Parameter:
- % degradation (CO2 evolution)
- Remarks:
- bottle B
- Value:
- ca. 1
- Sampling time:
- 29 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- Salbutamol Base was not readily biodegradable under the conditions of the modified Sturm test presently performed. However, it should be noted that in the toxicity control Salbutamol Base was found to have an inhibiting effect on microbial activity.
- Executive summary:
SALBUTAMOL BASE was tested for its ready biodegradability in the carbon dioxide (C02) evolution test (modified Sturm test).
The study procedure was based on EEC directive 92/69, C.4-C, December 1992, and OECD guideline No. 301 B July 17, 1992.
Since the purity of SALBUTAMOL BASE was unknown, calculation of the theoretical TOC value was not possible. Therefore, this value was determined by analysis.
Prior to the biodegradation study the TOC concentration of a SALBUTAMOL BASE solution in milli-Q water, prepared at 1000 mg/I, was determined.
The TOC concentration of the 1000 mg/I SALBUTAMOL BASE solution was 617.5 ± 51.02 ppm.
Based on the TOC concentration the Theoretical CO2 production (ThC02) of the SALBUTAMOL BASE solution was calculated to be 2.26 mg CO2/ml.
In the modified Sturm test 39 ml of the SALBUTAMOL BASE solution was tested in 2 litres test medium, corresponding to 12 mg TOC/I.
The relative degradation values calculated from the measurements performed during the test period revealed no significant degradation of SALBUTAMOL BASE.
In the toxicity control no degradation occurred within 14 days, as well as in the whole test period (based on ThC02). Therefore, the test substance was found to have an inhibiting effect on microbial activity.
Since all acceptability criteria prescribed by the protocol were met, this study was considered to be valid.
In conclusion, SALBUTAMOL BASE was not readily biodegradable under the conditions of the modified Sturm test presently performed.
However, it should be noted that in the toxicity contral SALBUTAMOL BASE was found to have an inhibiting effect on microbial activity.
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