Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable study with detailed information according to a BASF standard method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
no guideline available
GLP compliance:
no
Type of method:
dynamic method
Remarks:
with nitrogen

Test material

Constituent 1
Chemical structure
Reference substance name:
(S)-1-(4-Methoxyphenyl)ethylamine
EC Number:
609-962-1
Cas Number:
41851-59-6
Molecular formula:
C9 H13 N O
IUPAC Name:
(S)-1-(4-Methoxyphenyl)ethylamine
Details on test material:
Name of test material (as cited in study report): (S)-1-(4-Methoxyphenyl)ethylamin
Analytical purity: >99,9%

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.018 hPa
Temp.:
25 °C
Vapour pressure:
0.03 hPa
Temp.:
50 °C
Vapour pressure:
0.262 hPa

Any other information on results incl. tables

Results:

Temperature [°C] Vapour Pressure [hPa] Aberration [%]
  Measurement Calculation  
58.90 0.51 0.510 -0.08
64.06 0.73 0.732 -0.25
69.14 1.03 1.029 0.05
79.80 2.03 2.023 0.34
86.58 3.03 3.028 0.08
95.60 5.03 5.027 0.06
101.87 7.03 7.022 0.11
108.76 9.98 9.976 0.04
123.47 20.03 20.047 -0.08
132.65 30.01 29.997 0.04
145.21 49.98 50.217 -0.47
153.91 70.02 70.166 -0.21
163.67 99.98 100.11 -0.13
184.30 199.9 199.42 0.24
197.61 299.9 299.03 0.29
215.84 499.5 498.69 0.16
228.84 699.4 698.88 0.07
244.23 1012.8 1015.52 -0.27

The regression of the results leads with a mean deviation of 0.16 % to the following equation:

ln(p/hPa) = 10.1567 - 4386.04 / (188.33 + t/°C)

The vapour pressure at 20 °C, 25 °C and 50°C was calculated from the regression equation.

The normal boiling temperature was obtained by extrapolation from the vapour pressure curve.

Applicant's summary and conclusion