[2R[2R*(4R*,8R*)]]-3,4-dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2018

Report date:

2018

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

GLP compliance:

no

Type of method:

effusion method: Knudsen cell

Test material

Test material information

Constituent 1

Reference substance name:

[2R[2R*(4R*,8R*)]]-3,4-dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol

EC Number:

204-299-0

EC Name:

[2R[2R*(4R*,8R*)]]-3,4-dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol

Cas Number:

119-13-1

Molecular formula:

C27H46O2

IUPAC Name:

[2R[2R*(4R*,8R*)]]-3,4-dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol

Test material form:

liquid: viscous

Results and discussion

Vapour pressure

Vapour pressure 1

Key result

Test no.:

#1

Temp.:

20 °C

Vapour pressure:

0 Pa

Vapour pressure 2

Key result

Test no.:

#2

Temp.:

25 °C

Vapour pressure:

0 Pa

Vapour pressure 3

Test no.:

#3

Temp.:

50 °C

Vapour pressure:

0 Pa

Applicant's summary and conclusion

Conclusions:

The vapour pressure of the test item Tocopherols Concentrate was calculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to Regulation EC No. 440/2008 Method A.4. Vapour Pressure and OECD Test Guideline No. 104 (2006): 1.1 × 10-6 Pa, 2.3 × 10-6 Pa and 5.7 × 10-5 Pa, respectively.