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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1999-05-25 to 1999-05-26
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
OECD guidelines for testing chemicals, Guideline No. 104: 'Vapour pressure curve', July 27 1995 was followed throughout the study
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
not specified
GLP compliance:
yes
Type of method:
static method
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
ca. 1 Pa
Remarks on result:
other: p (20C) = 1.0 ± 0.2 Pa (7.8 ± 1.5 10^-3 mm Hg)

 Determination of the vapour pressure of Santicizer 2148 Plasticizer at 3 different temperatures, using the Static Technique

Measurement1

Temperature (°C)

Mean vapour pressure± 2σn-1

In (p)

Pa

1 – 3

37.40

1.46±0.05

4.30±0.20

4 – 6

31.63

0.92±0.06

2.50±0.16

7 – 13

25.15

0.49±0.05

1.64±0.06

1 a select number of measurements (see the appendix) was used for calculations

Conclusions:
The vapour pressure of Santicizer 2148 at 20°C was determined to be: p (20°C) = 1.0 ± 0.2 Pa = (7.8 ± 1.5) × 10^-3 mm Hg.
Executive summary:

The Static Technique was used for the determination of the vapour pressure at 20°C.

The vapour pressure of Santicizer 2148 at 20°C was determined to be: p (20°C) = 1.0 ± 0.2 Pa = (7.8 ± 1.5) × 10-3 mm Hg.

Description of key information

The vapour pressure of Santicizer 2148 at 20°C was determined to be: p (20°C) = 1.0 ± 0.2 Pa ((7.8 ± 1.5) × 10-3 mm Hg).

Key value for chemical safety assessment

Vapour pressure:
1 Pa
at the temperature of:
20 °C

Additional information

A key OECD Guideline 102 study was conducted to determine the freezing temperature of SANTICIZER 2148 Plasticizer (NOTOX B.V., 1999d).

The vapour pressure of Santicizer 2148 at 20°C was determined to be: p (20°C) = 1.0 ± 0.2 Pa = ((7.8 ± 1.5) × 10-3 mm Hg).