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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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

Principles of method if other than guideline:
other (measured): comparable to OECD 104
GLP compliance:
no
Type of method:
dynamic method

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(2-aminoethylamino)ethanol
EC Number:
203-867-5
EC Name:
2-(2-aminoethylamino)ethanol
Cas Number:
111-41-1
Molecular formula:
C4H12N2O
IUPAC Name:
2-[(2-aminoethyl)amino]ethan-1-ol
Details on test material:
Name of test material (as cited in study report): 2-(2-aminoethylamino)ethanol
Analytical purity: 99.7 %

Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
0.012 hPa

Any other information on results incl. tables

Data according to study report:
-------------------------------
Temperature       Vapor pressure
   (°C)               (hPa)
   63.51               0.21
   68.22               0.31
   74.23               0.51
   79.02               0.71
   83.98               1.00
   94.38               2.00
  100.81               3.00
  109.34               5.00
  115.23               7.00
  121.80              10.05
  135.23              20.03
  143.67              30.01
  155.00              50.00
  162.91              69.98
  171.80             100.6
  190.41             200.3
  202.21             300.3
  218.39             500.2
  229.89             699.7
  242.95            1002.0

The regression of the vapor pressure data leads with a mean
deviation of 0.72% to the following equation:

ln (p/bar) = 11.3810 - 4779.80 / (177.40 + t/°C)

Model calculation for 20 and 25 °C:
-----------------------------------
- method: 
EASE for windows (v2.0), August 1997

- input parameter: 
0.021 kPa at 63.51 °C

- result: 
Vapor pressure at 20 °C: 0.012 hPa
Vapor pressure at 25 °C: 0.018 hPa

Applicant's summary and conclusion