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Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
no
Type of method:
dynamic method
Remarks:
with nitrogen

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(tetrahydrofuran-3-yl)methanamine
EC Number:
676-405-7
Cas Number:
165253-31-6
Molecular formula:
C5 H11 N O
IUPAC Name:
1-(tetrahydrofuran-3-yl)methanamine
Details on test material:
- Name of test material (as cited in study report): 3-(Aminomethyl)-tetrahydrofuran
- Analytical purity: >99.9 %

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
1.18 hPa
Remarks on result:
other: intrapolated value
Temp.:
25 °C
Vapour pressure:
1.72 hPa
Remarks on result:
other: intrapolated value
Temp.:
50 °C
Vapour pressure:
8.81 hPa
Remarks on result:
other: intrapolated value

Any other information on results incl. tables

measured values:

temperature (°C) / vapour pressure (hPa)

17.67 / 0.99

27.01 / 1.99

32.94 / 2.99

40.77 / 5.00

46.22 / 7.00

52.14 / 9.99

64.79 / 19.99

72.84 / 30.12

83.53 / 50.04

91.10 / 70.10

99.49 / 99.86

117.47 / 199.81

129.09 / 300.40

144.91 / 499.90

156.26 / 700.19

169.18 / 1001.58

The regression of the results leads with a mean deviation of 0.15 % to the following equation:

ln(p/bar) = 9.8701 - 3625.22 / (198.26 + t/°C)

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

Applicant's summary and conclusion

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