Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

Referenceopen allclose all

Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Type of method:
other: Qsar
Remarks:
MPBPWIN V. 1.43
Temp.:
25 °C
Vapour pressure:
15.6 Pa

Experimental Database Structure Match:

 Name     :  HEPTANOIC ACID

 CAS Num  :  000111-14-8

 Exp MP (deg C):  -7.5

 Exp BP (deg C):  222.2

 Exp VP (mm Hg):  1.07E-02

        (Pa   ):  1.43E+000

 Exp VP (deg C):  25

 Exp VP ref    :  DAUBERT,TE & DANNER,RP (1989)

SMILES : O=C(O)CCCCCC

CHEM   : Heptanoic acid

MOL FOR: C7 H14 O2

MOL WT : 130.19

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point:  226.86 deg C (Adapted Stein and Brown Method)

Melting Point:   56.09 deg C (Adapted Joback Method)

Melting Point:   18.80 deg C (Gold and Ogle Method)

Mean Melt Pt :   37.45 deg C (Joback; Gold,Ogle Methods)

 Selected MP:   37.45 deg C (Mean Value)

Vapor Pressure Estimations (25 deg C):

 (Using BP: 222.20 deg C (exp database))

 (MP not used for liquids)

   VP:  0.125 mm Hg (Antoine Method)

     :  16.6 Pa  (Antoine Method)

   VP:  0.109 mm Hg (Modified Grain Method)

     :  14.6 Pa  (Modified Grain Method)

   VP:  0.184 mm Hg (Mackay Method)

     :  24.6 Pa  (Mackay Method)

 Selected VP:  0.117 mm Hg (Mean of Antoine & Grain methods)

            :  15.6 Pa  (Mean of Antoine & Grain methods)

-------+-----+--------------------+----------+---------

TYPE  | NUM |  BOIL DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   21.98  |   21.98

Group |  5  |  -CH2-             |   24.22  |  121.10

Group |  1  |  -COOH (acid)      |  169.83  |  169.83

  *   |     |  Equation Constant |          |  198.18

=============+====================+==========+=========

RESULT-uncorr|  BOILING POINT in deg Kelvin  |  511.09

RESULT- corr |  BOILING POINT in deg Kelvin  |  500.02

            |  BOILING POINT in deg C       |  226.86

-------------------------------------------------------

-------+-----+--------------------+----------+---------

TYPE  | NUM |  MELT DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   -5.10  |   -5.10

Group |  5  |  -CH2-             |   11.27  |   56.35

Group |  1  |  -COOH (acid)      |  155.50  |  155.50

  *   |     |  Equation Constant |          |  122.50

=============+====================+==========+=========

  RESULT    |  MELTING POINT in deg Kelvin  |  329.25

            |  MELTING POINT in deg C       |   56.09

-------------------------------------------------------

Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.117 mm Hg /  15.6 Pa.
In the database of EPISUITE an experimental value was also available for this constituent: 0.0107 mm Hg / 1.43 Pa (Ref. DAUBERT,TE & DANNER,RP (1995))
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Type of method:
other: Qsar - EPISUITE
Remarks:
MPBPWIN V. 1.43
Temp.:
25 °C
Vapour pressure:
37.1 Pa

Experimental Database Structure Match:

 Name     :  HEXANOIC ACID

 CAS Num  :  000142-62-1

 Exp MP (deg C):  -3

 Exp BP (deg C):  205.2

 Exp VP (mm Hg):  4.35E-02

        (Pa   ):  5.80E+000

 Exp VP (deg C):  25

 Exp VP ref    :  DAUBERT,TE & DANNER,RP (1989)

SMILES : O=C(O)CCCCC

CHEM   : Hexanoic acid

MOL FOR: C6 H12 O2

MOL WT : 116.16

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point:  207.76 deg C (Adapted Stein and Brown Method)

Melting Point:   44.82 deg C (Adapted Joback Method)

Melting Point:    7.65 deg C (Gold and Ogle Method)

Mean Melt Pt :   26.23 deg C (Joback; Gold,Ogle Methods)

 Selected MP:   26.23 deg C (Mean Value)

Vapor Pressure Estimations (25 deg C):

 (Using BP: 205.20 deg C (exp database))

 (MP not used for liquids)

   VP:  0.301 mm Hg (Antoine Method)

     :  40.1 Pa  (Antoine Method)

   VP:  0.255 mm Hg (Modified Grain Method)

     :  34 Pa  (Modified Grain Method)

   VP:  0.418 mm Hg (Mackay Method)

     :  55.7 Pa  (Mackay Method)

 Selected VP:  0.278 mm Hg (Mean of Antoine & Grain methods)

            :  37.1 Pa  (Mean of Antoine & Grain methods)

-------+-----+--------------------+----------+---------

TYPE  | NUM |  BOIL DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   21.98  |   21.98

Group |  4  |  -CH2-             |   24.22  |   96.88

Group |  1  |  -COOH (acid)      |  169.83  |  169.83

  *   |     |  Equation Constant |          |  198.18

=============+====================+==========+=========

RESULT-uncorr|  BOILING POINT in deg Kelvin  |  486.87

RESULT- corr |  BOILING POINT in deg Kelvin  |  480.92

            |  BOILING POINT in deg C       |  207.76

-------------------------------------------------------

-------+-----+--------------------+----------+---------

TYPE  | NUM |  MELT DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   -5.10  |   -5.10

Group |  4  |  -CH2-             |   11.27  |   45.08

Group |  1  |  -COOH (acid)      |  155.50  |  155.50

  *   |     |  Equation Constant |          |  122.50

=============+====================+==========+=========

  RESULT    |  MELTING POINT in deg Kelvin  |  317.98

            |  MELTING POINT in deg C       |   44.82

-------------------------------------------------------

Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.278 mm Hg /  37.1 Pa.
In the database of EPISUITE an experimental value was also available for this constituent: 0.0435 mm Hg / 5.8 Pa (Ref. DAUBERT,TE & DANNER,RP (1995))
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Principles of method if other than guideline:
Qsar evaluation with EPISUITE: MPBPWIN V. 1.43
Type of method:
other: Qsar -
Temp.:
25 °C
Vapour pressure:
2.85 Pa
Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.0214 mm Hg /  2.85 Pa.
In the database of EPISUITE an experimental value was also available for this constituent: 0.00165 mm Hg / 0.22 Pa (Ref. DAUBERT,TE & DANNER,RP (1995))
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Temp.:
25 °C
Vapour pressure:
6.51 Pa

Experimental Database Structure Match:

 Name     :  OCTANOIC ACID

 CAS Num  :  000124-07-2

 Exp MP (deg C):  16.3

 Exp BP (deg C):  239

 Exp VP (mm Hg):  3.71E-03

        (Pa   ):  4.95E-001

 Exp VP (deg C):  25

 Exp VP ref    :  DAUBERT,TE & DANNER,RP (1995)

SMILES : O=C(O)CCCCCCC

CHEM   : Octanoic acid

MOL FOR: C8 H16 O2

MOL WT : 144.22

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point:  245.06 deg C (Adapted Stein and Brown Method)

Melting Point:   67.36 deg C (Adapted Joback Method)

Melting Point:   29.43 deg C (Gold and Ogle Method)

Mean Melt Pt :   48.39 deg C (Joback; Gold,Ogle Methods)

 Selected MP:   48.39 deg C (Mean Value)

Vapor Pressure Estimations (25 deg C):

 (Using BP: 239.00 deg C (exp database))

 (MP not used for liquids)

   VP:  0.0509 mm Hg (Antoine Method)

     :  6.79 Pa  (Antoine Method)

   VP:  0.0467 mm Hg (Modified Grain Method)

     :  6.22 Pa  (Modified Grain Method)

   VP:  0.0811 mm Hg (Mackay Method)

     :  10.8 Pa  (Mackay Method)

 Selected VP:  0.0488 mm Hg (Mean of Antoine & Grain methods)

            :  6.51 Pa  (Mean of Antoine & Grain methods)

-------+-----+--------------------+----------+---------

TYPE  | NUM |  BOIL DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   21.98  |   21.98

Group |  6  |  -CH2-             |   24.22  |  145.32

Group |  1  |  -COOH (acid)      |  169.83  |  169.83

  *   |     |  Equation Constant |          |  198.18

=============+====================+==========+=========

RESULT-uncorr|  BOILING POINT in deg Kelvin  |  535.31

RESULT- corr |  BOILING POINT in deg Kelvin  |  518.22

            |  BOILING POINT in deg C       |  245.06

-------------------------------------------------------

-------+-----+--------------------+----------+---------

TYPE  | NUM |  MELT DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   -5.10  |   -5.10

Group |  6  |  -CH2-             |   11.27  |   67.62

Group |  1  |  -COOH (acid)      |  155.50  |  155.50

  *   |     |  Equation Constant |          |  122.50

=============+====================+==========+=========

  RESULT    |  MELTING POINT in deg Kelvin  |  340.52

            |  MELTING POINT in deg C       |   67.36

-------------------------------------------------------

Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.0488 mm Hg /  6.51 Pa.
In the database of EPISUITE an experimental value was also available for this constituent: 0.00371 mm Hg / 0.495 Pa (Ref. DAUBERT,TE & DANNER,RP (1995))
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Type of method:
other: Qsar
Remarks:
MPBPWIN V. 1.43
Temp.:
25 °C
Vapour pressure:
95.6 Pa

Experimental Database Structure Match:

 Name     :  PENTANOIC ACID

 CAS Num  :  000109-52-4

 Exp MP (deg C):  -34

 Exp BP (deg C):  186.1

 Exp VP (mm Hg):  1.96E-01

        (Pa   ):  2.61E+001

 Exp VP (deg C):  25

 Exp VP ref    :  DAUBERT,TE & DANNER,RP (1995)

SMILES : O=C(O)CCCC

CHEM   : Pentanoic acid

MOL FOR: C5 H10 O2

MOL WT : 102.13

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point:  187.75 deg C (Adapted Stein and Brown Method)

Melting Point:   33.55 deg C (Adapted Joback Method)

Melting Point:   -4.04 deg C (Gold and Ogle Method)

Mean Melt Pt :   14.76 deg C (Joback; Gold,Ogle Methods)

 Selected MP:   14.76 deg C (Mean Value)

Vapor Pressure Estimations (25 deg C):

 (Using BP: 186.10 deg C (exp database))

 (MP not used for liquids)

   VP:  0.782 mm Hg (Antoine Method)

     :  104 Pa  (Antoine Method)

   VP:  0.652 mm Hg (Modified Grain Method)

     :  87 Pa  (Modified Grain Method)

   VP:  1.03 mm Hg (Mackay Method)

     :  137 Pa  (Mackay Method)

 Selected VP:  0.717 mm Hg (Mean of Antoine & Grain methods)

            :  95.6 Pa  (Mean of Antoine & Grain methods)

-------+-----+--------------------+----------+---------

TYPE  | NUM |  BOIL DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   21.98  |   21.98

Group |  3  |  -CH2-             |   24.22  |   72.66

Group |  1  |  -COOH (acid)      |  169.83  |  169.83

  *   |     |  Equation Constant |          |  198.18

=============+====================+==========+=========

RESULT-uncorr|  BOILING POINT in deg Kelvin  |  462.65

RESULT- corr |  BOILING POINT in deg Kelvin  |  460.91

            |  BOILING POINT in deg C       |  187.75

-------------------------------------------------------

-------+-----+--------------------+----------+---------

TYPE  | NUM |  MELT DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   -5.10  |   -5.10

Group |  3  |  -CH2-             |   11.27  |   33.81

Group |  1  |  -COOH (acid)      |  155.50  |  155.50

  *   |     |  Equation Constant |          |  122.50

=============+====================+==========+=========

  RESULT    |  MELTING POINT in deg Kelvin  |  306.71

            |  MELTING POINT in deg C       |   33.55

-------------------------------------------------------

Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.717 mm Hg / 95.6 Pa.
In the database of EPISUITE an experimental value was also available for this constituent: 0.196 mm Hg / 2.61 Pa (Ref. DAUBERT,TE & DANNER,RP (1995))
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Council Regulation (EC) No 440/2008
Version / remarks:
30 May 2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: vapour pressure balance
Key result
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
0.62 Pa
Remarks on result:
other: Calculated by using Antoine constants
Test no.:
#2
Temp.:
37 °C
Vapour pressure:
1.712 Pa
Remarks on result:
other: Calculated by using Antoine constants

Results

A summary is shown below:

   

Run 1

  

Run 2

 Correlation

 -0.9979

  -0.9987

 Slope

 -3771.8

 -4058.1

 Intercept

  12.51

  13.32

 Log Vp at 25°C

  -0.14

  -0.29

 Vp (Pa) at 25°C

  7.22 x 10-1

  5.13 x 10-1

The mean vapour pressure at 25°C was 6.2 x 10-1 Pa.

Conclusions:
The vapour pressure of Fatty acid, C5-9 was found to be 6.2 x 10-1 Pa at 25°C.
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Type of method:
other: Qsar
Remarks:
MPBPWIN V. 1.43
Temp.:
25 °C
Vapour pressure:
8.46 Pa
Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.0634 mm Hg /  8.46 Pa.
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Type of method:
other: Qsar
Remarks:
MPBPWIN V. 1.43
Temp.:
25 °C
Vapour pressure:
1.45 Pa

Experimental Database Structure Match:  no data

SMILES : O=C(OC(CC1)CCCC)C1

CHEM   : 2H-Pyran-2-one, 6-butyltetrahydro-

MOL FOR: C9 H16 O2

MOL WT : 156.23

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point:  267.02 deg C (Adapted Stein and Brown Method)

Melting Point:  -25.22 deg C (Adapted Joback Method)

Melting Point:   42.25 deg C (Gold and Ogle Method)

Mean Melt Pt :    8.52 deg C (Joback; Gold,Ogle Methods)

 Selected MP:    8.52 deg C (Mean Value)

Vapor Pressure Estimations (25 deg C):

 (Using BP: 267.02 deg C (estimated))

 (MP not used for liquids)

   VP:  0.0107 mm Hg (Antoine Method)

     :  1.42 Pa  (Antoine Method)

   VP:  0.011 mm Hg (Modified Grain Method)

     :  1.47 Pa  (Modified Grain Method)

   VP:  0.02 mm Hg (Mackay Method)

     :  2.67 Pa  (Mackay Method)

 Selected VP:  0.0109 mm Hg (Mean of Antoine & Grain methods)

            :  1.45 Pa  (Mean of Antoine & Grain methods)

-------+-----+--------------------+----------+---------

TYPE  | NUM |  BOIL DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   21.98  |   21.98

Group |  3  |  -CH2-             |   24.22  |   72.66

Group |  3  |  -CH2- (ring)      |   26.44  |   79.32

Group |  1  |  >CH-  (ring)      |   21.66  |   21.66

Group |  1  |  -COO- (ring)      |  172.49  |  172.49

  *   |     |  Equation Constant |          |  198.18

=============+====================+==========+=========

RESULT-uncorr|  BOILING POINT in deg Kelvin  |  566.29

RESULT- corr |  BOILING POINT in deg Kelvin  |  540.18

            |  BOILING POINT in deg C       |  267.02

-------------------------------------------------------

-------+-----+--------------------+----------+---------

TYPE  | NUM |  MELT DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   -5.10  |   -5.10

Group |  3  |  -CH2-             |   11.27  |   33.81

Group |  3  |  -CH2- (ring)      |    7.75  |   23.25

Group |  1  |  >CH-  (ring)      |   19.88  |   19.88

Group |  1  |  -COO- (ring)      |   53.60  |   53.60

  *   |     |  Equation Constant |          |  122.50

=============+====================+==========+=========

  RESULT    |  MELTING POINT in deg Kelvin  |  247.94

            |  MELTING POINT in deg C       |  -25.22

-------------------------------------------------------

Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.0109 mm Hg /  1.45 Pa.
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Remarks:
MPBPWIN V. 1.43
Adequacy of study:
supporting study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Type of method:
other: Qsar
Remarks:
MPBPWIN V. 1.43
Temp.:
25 °C
Vapour pressure:
1.57 Pa

Experimental Database Structure Match:

 Name     :  Dihydro-5-pentyl-2(3H)-furanone

 CAS Num  :  000104-61-0

 Exp MP (deg C):  ---

 Exp BP (deg C):  136 @ 12.8 mm Hg

 Exp VP (mm Hg):  ---

SMILES : O=C(OC(C1)CCCCC)C1

CHEM   : 2(3H)-Furanone, dihydro-5-pentyl-

MOL FOR: C9 H16 O2

MOL WT : 156.23

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point:  265.50 deg C (Adapted Stein and Brown Method)

Melting Point:  -21.70 deg C (Adapted Joback Method)

Melting Point:   41.36 deg C (Gold and Ogle Method)

Mean Melt Pt :    9.83 deg C (Joback; Gold,Ogle Methods)

 Selected MP:    9.83 deg C (Mean Value)

Vapor Pressure Estimations (25 deg C):

 (Using BP: 265.50 deg C (estimated))

 (MP not used for liquids)

   VP:  0.0117 mm Hg (Antoine Method)

     :  1.55 Pa  (Antoine Method)

   VP:  0.0119 mm Hg (Modified Grain Method)

     :  1.59 Pa  (Modified Grain Method)

   VP:  0.0216 mm Hg (Mackay Method)

     :  2.88 Pa  (Mackay Method)

 Selected VP:  0.0118 mm Hg (Mean of Antoine & Grain methods)

            :  1.57 Pa  (Mean of Antoine & Grain methods)

-------+-----+--------------------+----------+---------

TYPE  | NUM |  BOIL DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   21.98  |   21.98

Group |  4  |  -CH2-             |   24.22  |   96.88

Group |  2  |  -CH2- (ring)      |   26.44  |   52.88

Group |  1  |  >CH-  (ring)      |   21.66  |   21.66

Group |  1  |  -COO- (ring)      |  172.49  |  172.49

  *   |     |  Equation Constant |          |  198.18

=============+====================+==========+=========

RESULT-uncorr|  BOILING POINT in deg Kelvin  |  564.07

RESULT- corr |  BOILING POINT in deg Kelvin  |  538.66

            |  BOILING POINT in deg C       |  265.50

-------------------------------------------------------

-------+-----+--------------------+----------+---------

TYPE  | NUM |  MELT DESCRIPTION  |  COEFF   |  VALUE  

-------+-----+--------------------+----------+---------

Group |  1  |  -CH3              |   -5.10  |   -5.10

Group |  4  |  -CH2-             |   11.27  |   45.08

Group |  2  |  -CH2- (ring)      |    7.75  |   15.50

Group |  1  |  >CH-  (ring)      |   19.88  |   19.88

Group |  1  |  -COO- (ring)      |   53.60  |   53.60

  *   |     |  Equation Constant |          |  122.50

=============+====================+==========+=========

  RESULT    |  MELTING POINT in deg Kelvin  |  251.46

            |  MELTING POINT in deg C       |  -21.70

-------------------------------------------------------

Conclusions:
The estimated VP, as a mean of Antoine & Grain methods, was 0.0118 mm Hg /  1.57 Pa.

Description of key information

Key value for chemical safety assessment

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

Additional information