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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Experimental starting date: 10 November 2016 Experimental completion date: 13 November 2016
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:
The vapor pressure of the test item has been determined at two temperatures using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
The vapor pressure of the test item has been determined at two temperatures using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Other quality assurance:
other: Q/A
Type of method:
other: Vapor pressure balance method
Specific details on test material used for the study:
Appearance/Physical state: Clear amber viscous liquid
Purity: 100% product
Expiry date: 24 June 2018
Storage conditions: Room temperature in the dark
Key result
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
0.023 Pa
Remarks on result:
other: The test item has a vapor pressure of 2.26 x 10-2 Pa at 25 °C  
Key result
Test no.:
#2
Temp.:
90 °C
Vapour pressure:
0.984 Pa
Remarks on result:
other: The test item has a vapor pressure of 0.984 Pa at 90 °C

Results PreliminaryRun

The recorded temperatures and the calculated vapor pressure values for the preliminary run are shown in the following table:

 

Preliminary Run Vapor Pressure Data

 

 

Temperature(ºC)

 

Temperature(K)

Vapor Pressure (Pa)

 

Temperature(ºC)

 

Temperature(K)

Vapor Pressure (Pa)

20

293.15

0.065248041

53

326.15

0.127039325

21

294.15

0.048949914

54

327.15

0.137340186

22

295.15

0.028348192

55

328.15

0.145503132

23

296.15

0.065761696

56

329.15

0.152458296

24

297.15

0.036885967

57

330.15

0.160593477

25

298.15

0.044410316

58

331.15

0.169755968

26

299.15

0.019532765

59

332.15

0.173393199

27

300.15

0.017741914

60

333.15

0.171893883

28

301.15

0.017603089

61

334.15

0.177905032

29

302.15

0.018297217

62

335.15

0.181611676

30

303.15

0.020671135

63

336.15

0.188775078

31

304.15

0.021753975

64

337.15

0.197410031

32

305.15

0.025918743

65

338.15

0.206461462

33

306.15

0.026696167

66

339.15

0.216873383

34

307.15

0.027779007

67

340.15

0.231130774

35

308.15

0.031499533

68

341.15

0.242431180

36

309.15

0.032263074

69

342.15

0.255064311

37

310.15

0.038315871

70

343.15

0.269127347

38

311.15

0.042272401

71

344.15

0.282440724

39

312.15

0.044882323

72

345.15

0.299530157

40

313.15

0.048741675

73

346.15

0.315550634

41

314.15

0.053322921

74

347.15

0.330502153

42

315.15

0.059417365

75

348.15

0.349451850

43

316.15

0.063943081

76

349.15

0.372316430

44

317.15

0.070884361

77

350.15

0.394223113

45

318.15

0.074521593

78

351.15

0.410354650

46

319.15

0.081809938

79

352.15

0.432469571

47

320.15

0.086863190

80

353.15

0.461373065

48

321.15

0.093554585

81

354.15

0.488221940

49

322.15

0.099815621

82

355.15

0.508643189

50

323.15

0.108492222

83

356.15

0.539670715

51

324.15

0.113253941

84

357.15

0.571184130

52

325.15

0.119806510

85

358.15

0.603822034


 

Temperature(ºC)

Temperature(K)

Vapor Pressure (Pa)

86

359.15

0.638223022

87

360.15

0.676053004

88

361.15

0.713174974

89

362.15

0.765664941

90

363.15

0.801357008

See attached for Figure 2           Preliminary Run Vapor Pressure Data

Definitive Runs

 

The direct values of the vapor pressure at 25 °C are shown in the following table and attached graph of Vapor Pressure Data at 25°C :

 

Table3            Vapor Pressure Data at 25°C

 

 

Run

Mass Difference (µg)

Vapor Pressure (Pa)

1

22.14

0.030735992

2

24.23

0.033637448

3

20.96

0.029097850

4

18.42

0.025571679

5

15.83

0.021976096

6

14.45

0.020060302

7

13.14

0.018241686

8

11.20

0.015548469

9

11.58

0.016076007

10

10.67

0.014812694

Mean vapor pressure at 25 °C: 2.26 x 10-2Pa

See attached Figure 3           Graph of Vapor Pressure Data at 25°C

The direct values of the vapor pressure at 90 °C are shown in the following table and attached graph Graph of Vapor Pressure Data at 90°C:

 

Table4            Vapor Pressure Data at 90°C

 

 

Run

Mass Difference (µg)

Vapor Pressure (Pa)

1

817.96

1.135538040

2

781.99

1.085602465

3

758.36

1.052797971

4

743.54

1.032224014

5

700.83

0.972931592

6

684.90

0.950816670

7

671.47

0.932172390

8

654.62

0.908780273

9

641.77

0.890941181

10

629.24

0.873546330

Mean vapor pressure at 90 °C: 0.984 Pa

 

See attached Figure 4           Graph of Vapor Pressure Data at 90 °C

 The test item did not change in appearance during the determination.

  

 

 

Conclusions:
The test item has a vapor pressure of 2.26 x 10-2 Pa at 25 °C  & 0.984 Pa at 90 °C
Executive summary:

The vapor pressure of the test item has been determined at two temperatures using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March

Summary of vapor pressure

 

 

Temperature (°C)

 

Temperature (K)

 

Vapor Pressure (Pa)

25

298

2.26 x 10-2

90

363

0.984

Description of key information

The test item has a vapor pressure of 2.26 x 10-2 Pa at 25 oC  & 0.984 Pa at 90 oC

Key value for chemical safety assessment

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

Additional information

The vapor pressure of the test item has been determined at two temperatures using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March

Summary of vapor pressure

 

 

Temperature (°C)

 

Temperature (K)

 

Vapor Pressure (Pa)

25

298

2.26 x 10-2

90

363

0.984