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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Various literature data. Three sources are in good agremeent cocnerning values at 20-25°C.

Data source

Referenceopen allclose all

Reference Type:
review article or handbook
Title:
Unnamed
Year:
2005
Reference Type:
review article or handbook
Title:
International Chemical Safety Cards BROMOTRIFLUOROMETHANE ICSC: 0837
Author:
NIOSH
Year:
1998
Reference Type:
publication
Title:
Vapor Pressures and Freezing Points of 30 Organics
Author:
McDonald RA, Shrader SA, Stull DR
Year:
1959
Bibliographic source:
Journal of Chemical Engineering & Data
Reference Type:
publication
Title:
Effect of Density in the Region of the Critical Temperature on the Chemical Products of the Br79(n,¿)Br80 Reaction on Bromotrifluoromethane
Author:
Rice WE, Willard JE
Year:
1953
Bibliographic source:
Journal of the American Chemical Society
Reference Type:
publication
Title:
The Ultraviolet Absorption Spectra and the Refractive Indices of Some Fluorobromomethanes
Author:
Davidson N
Year:
1951
Bibliographic source:
Journal of the American Chemical Society vol. 73 issue 1 1951. p. 467-8
Reference Type:
secondary source
Title:
not indicated
Author:
Daubert TE, Danner RP
Year:
1989
Bibliographic source:
EPIsuite v4.10 experimental MPBP database

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Bromotrifluoromethane
EC Number:
200-887-6
EC Name:
Bromotrifluoromethane
Cas Number:
75-63-8
Molecular formula:
CBrF3
IUPAC Name:
bromotrifluoromethane

Results and discussion

Any other information on results incl. tables

Source Daubert & Danner: 1.63 MPa at 25°C

Source INRS (and* = also in NIOSH):

Vapour pressure (kPa)

Temperature (°C)

457

-20

1434*

20*

2283

40

Source Rice and Willard:

Vapour pressure (atm)

Temperature (°C)

63.9

31.1

62.1

30.3

60.2

29.4

57.7

28.7

53.9

26.8

51.6

25.8

48.6

24.6

39.3

21.0

30.0

17.8

20.7

14.6

12.1

11.9

4.0

9.6

-1.5

8.2

-11.1

6.1

-20.7

4.4

-35.3

2.6

-50.8

1.361

-62.2

0.8126

-74.9

0.4056

Source Davidson:

Vapour pressure (mm)

Temperature (°C)

30

-108.3

38

-105.2

201

-80.8

245

-78.9

Source McDonald et al.:

Vapour pressure (mmHg)

Temperature (°C)

783.67

-57.24

743.19

-58.36

729.11

-58.76

Applicant's summary and conclusion

Conclusions:
The vapour pressure of Bromotrifluoromethane is 1.43 MPa at 20°C and 1.63 MPa at 25°C
Executive summary:

The vapour pressure of Bromotrifluoromethane is 1.43 MPa at 20°C and 1.63 MPa at 25°C.

This range considers values by three sources (INRS, NIOSH, Daubert & Danner) and ignores much higher values cited by a 4th source (Rice & Villard).