Dibutyl terephthalate

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

May 2009

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Analysis was performed using a documented method , in accordance with REACH Annex XI.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2009

Report date:

2009

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Deviations:

no

GLP compliance:

no

Type of method:

dynamic method

Test material

Test material information

Constituent 1

Reference substance name:

Dibutyl terephthalate

EC Number:

217-803-9

EC Name:

Dibutyl terephthalate

Cas Number:

1962-75-0

Molecular formula:

C16H22O4

IUPAC Name:

1,4-dibutyl benzene-1,4-dicarboxylate

Results and discussion

Vapour pressure

Temp.:

25 °C

Vapour pressure:

< 0.038 Pa

Transition / decomposition

Transition / decomposition:

no

Any other information on results incl. tables

RESULTS/CONCLUSION

 

The DBTP raw measured data are reported in Table VII-1. The estimated vapor pressure at 25 ⁰C is 0.038 Pa [Figure VII-1].  

 

 

 

 

Table VII-1. DBTP vapor pressure measurements

 

Temp, ⁰C           Pressure, mm Hg             Pressure, Pa

225.2                                  21                         2800

241.1                                  41.3                     5506

262.4                                  81.5                     10866

284.1                                  160.5                  21398

310.2                                  332                      44263