Reaction productReaction product of 1,1´-Methylenebis(4-substituted cyclohexane), [2-(substitutedmethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate and [3-prop-2-substituted-2,2-bis(prop-2-enoyloxymethyl)propyl] prop-2-enoate

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

03 January 2012- 19 March 2012

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: The study has been performed according to OECD, EC and OPPTS guidelines and according to the principles of GLP.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2012

Report date:

2012

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Version / remarks:

(2009)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Version / remarks:

(2006)

Deviations:

no

Test guideline 3

Qualifier:

according to guideline

Guideline:

EPA OPPTS 830.7950 (Vapor Pressure)

Version / remarks:

(1996)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

effusion method: by loss of weight or by trapping vaporisate

Remarks:

(Isothermal thermogravimetric effusion method)

Test material

Test material information

Constituent 1

Details on test material:

- Physical state: Clear colourless/slightly yellow, sticky resin
- Stability under test conditions: Stable
- Storage condition of test material: At room temperature protected from light
-Stability at higher temperatures: Maximum 1 month at 50°C
- General information: Avoid heat, direct sunlight, acid and base

Results and discussion

Vapour pressure

Vapour pressure 1

Temp.:

20 °C

Vapour pressure:

0.006 Pa

Remarks on result:

other: 4.5 x 10^-5 mm Hg

Vapour pressure 2

Temp.:

25 °C

Vapour pressure:

0.009 Pa

Remarks on result:

other: 7.1 x 10^-5 mm Hg

Any other information on results incl. tables

A representative weight loss curve of the test substance is shown in Figure 6 (see attachment). The plot of the log P_Tof the test substance as function of the reciprocal temperatures is shown in Figure 7 (see attachment). Equation: log P_T,20= -3432 x 1/T + 9.49 (r = 0.994, n = 8).

Table:    Results of the isothermal TGA analysis

   

 

Temperature [°C]	Weight loss [µg/min]	νT [g/cm^2/h]	logνT	logPT	PT [Pa]
110	3.113	3.72´10^-4	-3.43	0.55	3.6
	3.065	3.66´10^-4	-3.44	0.55	3.5
120	4.736	5.65´10^-4	-3.25	0.76	5.8
	4.178	4.99´10^-4	-3.30	0.70	5.0
130	7.271	8.68´10^-4	-3.06	0.98	9.5
	6.879	8.21´10^-4	-3.09	0.95	8.9
140	11.33	1.35´10^-3	-2.87	1.20	16
	11.42	1.36´10^-3	-2.87	1.20	16

log P_T of the test substance at 20°C: -2.22. log P_T of the test substance at 25°C: -2.02.

Applicant's summary and conclusion

Conclusions:

The vapour pressure of the test substance at 20°C is 6.0 x10^-3 Pa.
The vapour pressure of the test substance at 25°C is 9.5 x10^-3 Pa.