(S)-3-methyl-2-(2-oxotetrahydropyrimidine-1-yl)butyric acid

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

06 Sep - 30 Sep, 1999

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: done under GLP and OECD method

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1999

Report date:

1999

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Version / remarks:

(Gas saturation Method)

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Version / remarks:

(Gas Saturation Method)

GLP compliance:

yes

Type of method:

gas saturation method

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

430-900-2

EC Name:

-

Cas Number:

192725-50-1

Molecular formula:

Hill formula: C9H16N2O3 CAS formula: C9H16N2O3

IUPAC Name:

3-methyl-2-(2-oxo-1,3-diazinan-1-yl)butanoic acid

Results and discussion

Vapour pressure

Vapour pressure 1

Temp.:

20 °C

Vapour pressure:

0 Pa

Vapour pressure 2

Temp.:

25 °C

Vapour pressure:

0 Pa

Any other information on results incl. tables

Vapour pressure values for 20°C and 25°C were extrapolated from test value results which gave results of 0.1385 mPa at 32°C and 0.2640 mPa at 40°C

Applicant's summary and conclusion

Conclusions:

Vapour Pressure determined to be 0.000049 Pa at 20°C and 0.000077 Pa at 25°C

Executive summary:

Vapour Pressure determined by gas saturation method to be 49 x 10 ^-6 Pa (3.7 x 10 ^-7 mmHg) at 20°C and 77 x 10 ^-6 Pa (5.8 x 10 ^-7 mmHg) at 25°C.