Bontron E-108

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Study period:

17 May 2004 to 19 May 2004.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of relevant results.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2004

Report date:

2004

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Deviations:

no

GLP compliance:

yes

Type of method:

static method

Test material

Test material information

Constituent 1

Details on test material:

- Name of test material (as cited in study report): S178207
- Physical state: White powder
- Analytical purity: 75.1%
- Lot/batch No.: SBT-5-0254
- Expiration date of the lot/batch: March 31st 2005
- Stability under test conditions: Stable
- Storage condition of test material: At room temperature on the dark

Results and discussion

Vapour pressure

Temp.:

20 °C

Vapour pressure:

0.11 Pa

Remarks on result:

other: 8.3E-04 mm Hg

Transition / decomposition

Transition / decomposition:

no

Any other information on results incl. tables

Table 1 Vapour pressure of S178207 at 3 different temperatures

Measurement	Temperature		Mean vapour pressure ± 2 x calculated error [pa]
	[°C]	[K]	p	ln p
16 – 26	37.42	310.57	1.93 ± 0.01	0.66 ± 0.01
29 - 36	32.24	305.39	0.828 ± 0.007	-0.19 ± 0.01
39 - 49	25.62	298.77	0.291 ± 0.003	-1.23 ± 0.01

Applicant's summary and conclusion

Conclusions:

Using the Static Technique, the vapour pressure of S178207 at 20°C is:
0.11 ± 0.01 Pa = 8.3±0.8 E-04 mm Hg

Executive summary:

The determination of the vapour pressure of S178207 was performed in accordance with the following guidelines:

European Economic Community (EEC), EEC directive 92/69/EEC, Part A, Methods for the determination of physico-chemical properties, A.4 "Vapour pressure"

and

Organisation for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals, Guideline No. 104.

Using the Static Technique, the vapour pressure of S178207 at 20°C is: 0.11 ± 0.01 Pa = (8.3±0.8) E-04 mm Hg