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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 June 2015 - 16 July 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Version / remarks:
(2009)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
(2006)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Version / remarks:
(1996)
Deviations:
no
GLP compliance:
yes
Type of method:
effusion method: isothermal thermogravimetry
Temp.:
20 °C
Vapour pressure:
0.097 Pa
Remarks on result:
other: 7.3E-04 mm Hg
Key result
Temp.:
25 °C
Vapour pressure:
0.19 Pa
Remarks on result:
other: 1.4E-03 mm Hg

Table: Results of the isothermal TGA analysis (test substance)

Temperature

[°C]

Weight loss[µg/min]

νT

[g/cm2/h]

log νT

log PT

PT

[Pa]

 

 

 

 

 

 

60

6.860

8.19E-04

-3.09

1.04

11

 

6.990

8.34E-04

-3.08

1.05

11

 

 

 

 

 

70

17.26

2.06E-03

-2.69

1.51

32

 

17.38

2.07E-03

-2.68

1.51

32

 

 

 

 

 

 

80

39.05

4.66E-03

-2.33

1.92

84

 

39.19

4.68E-03

-2.33

1.92

84

 

 

 

 

 

 

90

81.91

9.78E-03

-2.01

2.30

2.0E02

 

79.92

9.54E-03

-2.02

2.29

1.9E02

 

 

 

 

 

 

Conclusions:
Using the isothermal thermogravimetric effusion method, the vapour pressure of Dibutyl itaconate at 25°C has been determined as 0.19 Pa (0.097 Pa at 20°C). The study is performed in accordance with EC A.4, OECD 104 and EPA OPPTS 830.7950 guidelines and in compliance with GLP.

Description of key information

Using the isothermal thermogravimetric effusion method, the vapour pressure of Dibutyl itaconate at 25°C has been determined as 0.19 Pa (0.097 Pa at 20°C). The study is performed in accordance with EC A.4, OECD 104 and EPA OPPTS 830.7950 guidelines and in compliance with GLP.

Key value for chemical safety assessment

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

Additional information