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EC number: 458-680-3 | CAS number: 797751-44-1 WASOX-VMAC2
- 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

Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- February 22, 2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- According to OECD Guideline 104, with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- other: Isoteniscope and Vapour Balance Methods
- Key result
- Test no.:
- #1
- Remarks on result:
- not determinable because of methodological limitations
- Remarks:
- (Vapour pressure balance: The instrument could no maintain the vacuum required to operate)
- Key result
- Test no.:
- #2
- Remarks on result:
- not determinable
- Remarks:
- (Isoteniscope System: the sampled decomposed prior to obtaining suitable manometer readings)
- Conclusions:
- It was not possible to determine the vapour pressure using neither the vapour pressure balance nor isoteniscope method.
- Executive summary:
It was not possible to determine the vapour pressure using neither the vapour pressure balance nor isoteniscope method.
- Endpoint:
- vapour pressure
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
- Remarks:
- Internationally accepted method, EPI Suite, EPA (USA)
- Justification for type of information:
- See attached QSAR supporting information
- Principles of method if other than guideline:
- Calculation by atom/fragment contribution method using the software MPBPWIN Version v. 1.41 2000, of the U.S. Environmental Protection Agency
- Specific details on test material used for the study:
- SMILES of components:
acetone O,O'-[methoxy(vinyl)silanediyl]oxime (VMAC2): CC( C)= NO[Si] (/C([H])=C([H])\[H])( OC)O N =C( C)C
acetone O,O',O''-(vinylsilanetriyl)oxime (VAC3): CC( C)= NO[Si] (/C( [H] )=C([H] )\[H]) (0 N=C( C)C)O N=C( C )C
acetone O-[dimethoxy(vinyl)silyl]oxime (VM2AC): CC(C)=NO[Si](/C([H])=C([H])\[H]) (OC)OC - Temp.:
- 25 °C
- Vapour pressure:
- 3.69 Pa
- Remarks on result:
- other: acetone O,O'-[methoxy(vinyl)silanediyl]oxime
- Temp.:
- 25 °C
- Vapour pressure:
- 0.251 Pa
- Remarks on result:
- other: acetone O,O',O''-(vinylsilanetriyl)oxime
- Temp.:
- 25 °C
- Vapour pressure:
- 80.7 Pa
- Remarks on result:
- other: acetone O-[dimethoxy(vinyl)silyl]oxime
- Conclusions:
- The calculated vapour pressures of the three main components of the test substance at 25 ºC were: 3.69 Pa (acetoneO,O'-[methoxy(vinyl)silanediyl]oxime); 0.251 Pa (acetoneO,O',O''-(vinylsilanetriyl)oxime) and 80.7 Pa (acetoneO-[dimethoxy(vinyl)silyl]oxime).
- Executive summary:
Using the software MPBPWIN v.1.41 2000, of the U.S. Environmental Protection Agency the calculated vapour pressures of the three main components of the test substance at 25 ºC were: 3.69 Pa (acetoneO,O'-[methoxy(vinyl)silanediyl]oxime); 0.251 Pa (acetoneO,O',O''-(vinylsilanetriyl)oxime) and 80.7 Pa (acetoneO-[dimethoxy(vinyl)silyl]oxime).
Referenceopen allclose all
Attempts were made to determine the vapor pressure using both, Vapour Pressure Balance and Isoteniscope System, procedures specified in EU Method A4 (Vapour Pressure).
Vapour pressure balance: The instrument could no maintain the vacuum required to operate.
Isoteniscope System: the sampled decomposed prior to obtaining suitable manometer readings.
The calculated vapour pressures of the three main components of the test substance at 25 ºC were: 3.69 Pa (acetoneO,O'-[methoxy(vinyl)silanediyl]oxime); 0.251 Pa (acetoneO,O',O''-(vinylsilanetriyl)oxime) and 80.7 Pa (acetoneO-[dimethoxy(vinyl)silyl]oxime).
Description of key information
It was not possible to determine the vapour pressure using neither the vapour pressure balance nor isoteniscope method.
Key value for chemical safety assessment
Additional information
Using the software MPBPWIN v.1.41 2000, the calculated vapour pressures of the three main components of the test substance at 25 ºC were: 3.69 Pa (acetoneO,O'-[methoxy(vinyl)silanediyl]oxime); 0.251 Pa (acetoneO,O',O''-(vinylsilanetriyl)oxime) and 80.7 Pa (acetoneO-[dimethoxy(vinyl)silyl]oxime).
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