Reaction mass of prop-2-yn-1-ol and sodium 2-methyl-4-oxopentane-2-sulfonate

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

comparable to guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2017

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Deviations:

yes

Remarks:

method similar to guideline

GLP compliance:

no

Remarks:

no, but method similar to guideline

Other quality assurance:

other: reliable data due to educational and professional experience of experimentators

Type of method:

static method

Test material

Test material information

Constituent 1

Test material form:

liquid: viscous

Details on test material:

- State of aggregation: contains polymer which is not soluble after dessication
- Particle size distribution: not appropriate (liquid)
- Mass median aerodynamic diameter (MMAD): not appropriate
- Geometric standard deviation (GSD): not appropriate
- Shape of particles: not appropriate
- Surface area of particles: not appropriate
- Crystal structure: not appropriate
- Coating: not appropriate
- Surface properties: surface tension see appropriate section of IUCLID
- Density: see appropriate section of IUCLID
- Moisture content: see above
- Residual solvent: see above
- Activation: not appropriate
- Stabilisation: not required as long as treated properly and instructions of manufacturer are followed

Specific details on test material used for the study:

SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: The test material is representative of the registered substance
- Expiration date of the lot/batch: not relevant
- Purity test date: not relevant

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: at room temperature in the dark
- Stability under test conditions: stable
- Solubility and stability of the test substance in the solvent/vehicle: soluble

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: none
- Preliminary purification step (if any): none

Results and discussion

Vapour pressure

Vapour pressure 1

Key result

Test no.:

#1

Temp.:

30 °C

Vapour pressure:

ca. 35 mBar

Remarks on result:

other:

Remarks:

+/- 3 mBar

Vapour pressure 2

Test no.:

#2

Temp.:

65 °C

Vapour pressure:

216 mBar

Remarks on result:

other: due to water content

Applicant's summary and conclusion

Conclusions:

Vapour pressure 37 mbar ± 3 mbar at 30°C and 182 ± 3 mbar at 65°C

Executive summary:

In a study equivalent or similar to EU Method A.4 (Vapour Pressure) the vapour pressure 37 mbar ± 3 mbar at 30°C and 182 ± 3 mbar at 65°C