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EC number: 900-110-7 | CAS number: 5370-08-1
- 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
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 16. - 19.10.1990
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to OECD guideline (1981) under GLP
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Principles of method if other than guideline:
- Not relevant
- GLP compliance:
- yes
- Type of method:
- static method
Test material
- Reference substance name:
- (2E)-1,1,4,4-tetramethoxybut-2-ene; (2Z)-1,1,4,4-tetramethoxybut-2-ene
- EC Number:
- 900-110-7
- Cas Number:
- 5370-08-1
- Molecular formula:
- C8H16O4
- IUPAC Name:
- (2E)-1,1,4,4-tetramethoxybut-2-ene; (2Z)-1,1,4,4-tetramethoxybut-2-ene
- Details on test material:
- - Name of test material (as cited in study report): C4-Diacetale
- Physical state: liquid
- Analytical purity: 97.1%
- Storage condition of test material: sealed, in the dark at room temperature
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- >= 40 Pa
- Remarks on result:
- other: 50+/- 10 Pa = 0.38 +/- 0.08 mmHg
Any other information on results incl. tables
During the measurements 1-30 at 24.11°C, a relatively large decline in vapour pressure could be observed. This is probably caused by the presence of a very volatile impurity. This impurity was removed after approximately 30 measurements, indicating that the amount of this impurity was relatively low. The decline in vapour pressure became much smaller during the measurements at 30.71°C and the vapour pressure became constant during the measurements at 37.11°C. Therefore, the vapour pressure did not show ideal behaviour. The consequence of this is that it is more difficult to determine "the vapour pressure" of the test substance because the composition of the vapour in the sample cell continuously changed. In order to obtain the vapour pressure at each temperature, the results in the vapour pressure readings were extrapolated (when necessary) to the first measurement at each series.
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test substance at 25°C was determined to be: 50+/- 10 Pa = 0.38 +/- 0.08 mmHg
The vapour pressure of pure C4-DIACETAL was estimated t o be: 34 +/- 5 Pa = 0.26 +/- 0.04 mm Hg - Executive summary:
The determination of the vapour pressure was based on the following guidelines: European Economic Community (EEC),EEC directive 841449 EEC, Annex, Part A, Methods for the determination of physico-chemical properties, A.4: "Vapour pressure", EEC Publication no. L251, September 1984 and OECD guidelines for testing chemicals, Guideline No.104: "Vapour pressure curve", adopted May 12, 1981. The vapour pressure curve was constructed using the determination of the vapour pressure of C4 -DIACETAL at 24.11, 30.71 and 37.70°C, using the Static Technique. The vapour pressure of C4 -DIACETAL at 25°C was interpolated to be 50 Pa with an estimated error of +/- 10 Pa, i.e. 0.38 +/- 0.08 mm Hg. In case the last few measurements were back extrapolated to 25°C, using the slope of the vapour pressure curve, an estimation for the vapour pressure of pure C4 -DIACETAL could be made. The vapour pressure was estimated to be 34 +/- 5 Pa, i.e. 0.26 +/- 0.04 mm Hg at 25°C.
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