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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08/05/2018 - 12/05/2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
no
Type of method:
effusion method: vapour pressure balance
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
0.002 Pa
Test no.:
#2
Temp.:
25 °C
Vapour pressure:
0.003 Pa
Test no.:
#3
Temp.:
25 °C
Vapour pressure:
0.002 Pa
Test no.:
#4
Temp.:
25 °C
Vapour pressure:
0.001 Pa
Test no.:
#5
Temp.:
25 °C
Vapour pressure:
0.015 Pa
Test no.:
#6
Temp.:
25 °C
Vapour pressure:
0.01 Pa
Test no.:
#7
Temp.:
25 °C
Vapour pressure:
0.001 Pa
Test no.:
#8
Temp.:
25 °C
Vapour pressure:
0.004 Pa
Test no.:
#9
Temp.:
25 °C
Vapour pressure:
0.004 Pa
Test no.:
#10
Temp.:
25 °C
Vapour pressure:
0.005 Pa
Key result
Temp.:
25 °C
Vapour pressure:
0.003 Pa
Remarks on result:
other: Mean of 10 test results
Conclusions:
The vapor pressure of the test item has been determined to be less than 3.2 x 10-3 Pa at 25 ºC.
Executive summary:

A test compatible with Method A.4 Vapour Pressure and OECD Test Guideline 104 was performed on 1-Propanaminium, N-(3-aminopropyl)-2-hydroxy-N,N-dimethyl-3-sulfo-, N-coco acyl derivs., hydroxides, inner salts to determine its vapour pressure. The vapor pressure of the sample was measured over a range of temperatures to enable extrapolation to 298.15 Kelvin. The mean vapour pressure was determined from 10 consecutive runs and determined to be less than 3.2 x 10-3 Pa at 25 ºC.

Description of key information

The vapour pressure of the test item has been determined to be less than 3.2 x 10-3 Pa at 25 ºC.

Key value for chemical safety assessment

Vapour pressure:
0.003 Pa
at the temperature of:
25 °C

Additional information