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EC number: 947-394-9 | 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
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- Flash point
- Auto flammability
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- 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
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- 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
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- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
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- Specific investigations
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- Additional toxicological data

Hydrolysis
Administrative data
Link to relevant study record(s)
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28 March 1994 to 06 June 1994
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.7 (Degradation: Abiotic Degradation: Hydrolysis as a Function of pH)
- Version / remarks:
- Commission Directive 92/69/EEC
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Analytical monitoring:
- no
- Buffers:
- pH 4 BUFFER
Citric acid 0.05 mol dm-3
Sodium hydroxide 0.10 mol dm-3
Hydrochloric acid 0.05 mol dm-3
pH 7 BUFFER
Disodium hydrogen orthophosphate 0.04127 mol dm-3
Potassium dihydrogen orthophosphate 0.0282 mol dm-3
pH9 BUFFER
Disodium tetraborate 0.05 mol dm-3
Hydrochloric acid 0.0192 mol dm-3 - Duration:
- 5 d
- pH:
- 4
- Temp.:
- 50 °C
- Initial conc. measured:
- 3.01 g/L
- Duration:
- 5 d
- pH:
- 7
- Temp.:
- 50 °C
- Initial conc. measured:
- 3.03 g/L
- Duration:
- 5 d
- pH:
- 9
- Temp.:
- 50 °C
- Initial conc. measured:
- 2.98 g/L
- Transformation products:
- no
- % Recovery:
- 99.5
- pH:
- 4
- Temp.:
- 50 °C
- Duration:
- 2.4 h
- Remarks on result:
- other: equivalent to 2.99 g/L
- % Recovery:
- 104
- pH:
- 4
- Temp.:
- 50 °C
- Duration:
- 24 h
- Remarks on result:
- other: equivalent to 3.14 g/L
- % Recovery:
- 98.8
- pH:
- 4
- Temp.:
- 50 °C
- Duration:
- 48 h
- Remarks on result:
- other: equivalent to 2.97 g/L
- % Recovery:
- 98.2
- pH:
- 4
- Temp.:
- 50 °C
- Duration:
- 120 h
- Remarks on result:
- other: equivalent to 2.96 g/L
- % Recovery:
- 104
- pH:
- 7
- Temp.:
- 50 °C
- Duration:
- 2.4 h
- Remarks on result:
- other: equivalent to 3.13 g/L
- % Recovery:
- 104
- pH:
- 7
- Temp.:
- 50 °C
- Duration:
- 24 h
- Remarks on result:
- other: equivalent to 3.15 g/L
- % Recovery:
- 102
- pH:
- 7
- Temp.:
- 50 °C
- Duration:
- 48 h
- Remarks on result:
- other: equivalent to 3.09 g/L
- % Recovery:
- 97.4
- pH:
- 7
- Temp.:
- 50 °C
- Duration:
- 120 h
- Remarks on result:
- other: equivalent to 2.95 g/L
- % Recovery:
- 104
- pH:
- 9
- Temp.:
- 50 °C
- Duration:
- 2.4 h
- Remarks on result:
- other: equivalent to 3.09 g/L
- % Recovery:
- 101
- pH:
- 9
- Temp.:
- 50 °C
- Duration:
- 24 h
- Remarks on result:
- other: equivalent to 3.00 g/L
- % Recovery:
- 100
- pH:
- 9
- Temp.:
- 50 °C
- Duration:
- 48 h
- Remarks on result:
- other: equivalent to 2.99 g/L
- % Recovery:
- 96.2
- pH:
- 9
- Temp.:
- 50 °C
- Duration:
- 120 h
- Remarks on result:
- other: equivalent to 2.87 g/L
- pH:
- 4
- Remarks on result:
- not measured/tested
- pH:
- 7
- Remarks on result:
- not measured/tested
- pH:
- 9
- Remarks on result:
- not measured/tested
- Details on results:
- - Peak heights of the pair of standards associated with each sample were corrected to nominal concentration and the mean value was taken prior to calculation of the sample concentration.
- Typical chromatograms are attached.
- Peak heights relating to the standard and sample solutions are attached. - Validity criteria fulfilled:
- not applicable
- Conclusions:
- The test material was found to undergo less than 10 % hydrolysis after 5 days at 50 °C in pH 4, pH 7 and pH 9 buffers.
- Executive summary:
Hydrolysis as a function of pH was investigated using EU Method C.7. The test material was found to undergo less than 10 % hydrolysis after 5 days at 50 °C in pH 4, pH 7 and pH 9 buffers.
Reference
Description of key information
The test material was found to undergo less than 10 % hydrolysis after 5 days at 50°C in pH 4, pH 7 and pH 9 buffers (EU Method C.7).
Key value for chemical safety assessment
Additional information
Hydrolysis as a function of pH was investigated using EU Method C.7. The test material was found to undergo less than 10 % hydrolysis after 5 days at 50°C in pH 4, pH 7 and pH 9 buffers.
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