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 method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report Date:
2006

Materials and methods

Test guideline
Guideline:
other: dynamic method
GLP compliance:
not specified
Type of method:
dynamic method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Name of test material (as cited in study report): 1,2,3,4-Tetrahydro-1-naphthylamin
Analytical purity: 98.3 % (by GC in area%)

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.023 hPa
Remarks on result:
other: The vapour pressure at 20 °C was calculated from the regression equation.
Temp.:
25 °C
Vapour pressure:
0.036 hPa
Remarks on result:
other: The vapour pressure at 25 °C was calculated from the regression equation.
Temp.:
50 °C
Vapour pressure:
0.281 hPa
Remarks on result:
other: The vapour pressure at 50 °C was calculated from the regression equation.

Any other information on results incl. tables

Result:

Temperature [°C] Vapour Pressure [hPa] Aberration [%]
  Measurement Calculation  
68,58 1,0 1,00 -0,10
80,09 2,0 2,02 -0,76
87,32 3,1 3,04 1,85
96,93 5,1 5,10 0,01
103,53 7,1 7,13 -0,48
110,74 10,0 10,13 -1,27
126,00 20,1 20,20 -0,49
135,55 30,1 30,13 -0,12
148,45 50,1 49,96 0,28
157,57 70,1 69,86 0,48
167,73 100,0 99,53 0,57
189,42 200,0 199,17 0,41
203,45 299,9 299,79 0,04
222,50 499,3 500,09 -0,16
236,15 699,5 702,49 -0,43
250,53 1013,4 981,32 3,17

The regression of the results leads with a mean deviation of 0.29 % to the following equation:

ln(p/hPa) = 10,1259 - 4563,68 / (199,33 + t/°C)

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

Applicant's summary and conclusion