Vanillin

Vapour pressure

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

data from handbook or collection of data

Remarks:

No test substance information, no guideline, secondary literature, but reference handbook.

Guideline:

other: no data

Temp.:

24.1 °C

Vapour pressure:

0 hPa

Temp.:

59.9 °C

Vapour pressure:

0.019 hPa

Reference 2

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

data from handbook or collection of data

Remarks:

No test substance information, no guideline, secondary literature, but reference handbook.

Guideline:

other: no data

Temp.:

107 °C

Vapour pressure:

1.33 hPa

Reference 3

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

data from handbook or collection of data

Remarks:

No test substance information, no guideline, secondary literature, but reference handbook and database.

Guideline:

other: no data

Temp.:

25 °C

Vapour pressure:

0.003 hPa

Reference 4

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Principles of method if other than guideline:

Measure: Gas Chromatography determination
New developed model based on experimental data versus values from literature linear relationship was studied. For n= 22 compounds, the R-square is equal 99.4 % and the Standard Error estimation is 0.141.

GLP compliance:

not specified

Type of method:

other: gas chromatography

Temp.:

25 °C

Vapour pressure:

0.004 hPa

Description of key information

The different values reported are the following:
0.00027198 hPa at 24.1°C
0.0029 hPa at 25°C
0.00446 hPa at 25°C
0.01866 hPa at 59.9°C
0.17hPa at 65°C
1.33hPa at 107°C

Key value for chemical safety assessment

Vapour pressure:

0.3 Pa

at the temperature of:

20 °C

Additional information

Data available come from different Handbooks. No key study is selected and a "weight of evidence" approach is applied.