1,2,4-Benzenetricarboxylic acid, mixed lauryl and octyl triesters

Vapour pressure

Link to relevant study record(s)

Reference

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

10.05.2016 - 12.05.2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Deviations:

no

Principles of method if other than guideline:

N/A

GLP compliance:

yes

Type of method:

static method

Specific details on test material used for the study:

N/A

Key result

Test no.:

#1

Temp.:

20 °C

Vapour pressure:

13 Pa

Key result

Test no.:

#2

Temp.:

20 °C

Vapour pressure:

11 Pa

Key result

Vapour pressure:

57.3 Pa

Full test results

Temp [°C] Run 1 / 2	Temp [K] Run 1 / 2	P [mbar] Run 1 / 2	P [Pa] Run 1 / 2
20 / 20	293.15 / 293.15	0.13 / 0.11	13 / 11
31.8 / 27.9	304.95 / 301.05	0.2551 / 0.1619	25.51 / 16.19
42.0 / 39.0	315.15 / 312.05	0.3681 / 0.3134	36.81 / 31.34
52.9 / 50.0	326.05 / 323.15	0.7091 / 0.5733	70.91 / 57.33
66.0 / 67.0	339.15 / 340.15	1.2 / 1.2	120 / 120
90.4 / 81.0	363.55 / 354.15	3.1 / 2.3	310 / 230
103.0 / 109.8	376.15 / 382.95	5.0 / 5.8	500 / 580

Conclusions:

The vapour pressure of 1,2,4-Benzenetricarboxylic acid, mixed dodecyl and octyl triesters is 11 and 13 Pa at 20 °C and 57 Pa at 50 °C.

Executive summary:

The vapour pressure of 1,2,4-Benzenetricarboxylic acid, mixed dodecyl and octyl triesters is 11 and 13 Pa at 20 °C and 57 Pa at 50 °C.

Description of key information

The vapour pressure of 1,2,4-Benzenetricarboxylic acid, mixed dodecyl and octyl triesters is 11 and 13 Pa at 20 °C. The mean between the two mesurement was used for the assessment .

The vapour pressure of 1,2,4-Benzenetricarboxylic acid, mixed dodecyl and octyl triesters is 57 Pa at 50 °C.

Key value for chemical safety assessment

Vapour pressure:

12 Pa

at the temperature of:

20 °C