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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
May 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: vapour pressure balance

Test material

Constituent 1
Chemical structure
Reference substance name:
(3Z,6Z)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Cas Number:
28973-99-1
Molecular formula:
C15H24
IUPAC Name:
(3Z,6Z)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Constituent 2
Chemical structure
Reference substance name:
(E)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)cyclohex-1-ene
Cas Number:
25532-79-0
Molecular formula:
C15H24
IUPAC Name:
(E)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)cyclohex-1-ene
Constituent 3
Chemical structure
Reference substance name:
(Z)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)
Cas Number:
29837-07-8
Molecular formula:
C15H24
IUPAC Name:
(Z)-1-methyl-4-(6-methylhepta-2,5-dien-2-yl)
Constituent 4
Chemical structure
Reference substance name:
(E)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
EC Number:
242-582-0
EC Name:
(E)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Cas Number:
18794-84-8
Molecular formula:
C15H24
IUPAC Name:
7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Constituent 5
Chemical structure
Reference substance name:
(E)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Cas Number:
53585-13-0
Molecular formula:
C15H24
IUPAC Name:
(E)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Constituent 6
Chemical structure
Reference substance name:
(Z)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Cas Number:
13062-00-5
Molecular formula:
C15H24
IUPAC Name:
(Z)-1-methyl-4-(6-methylhept-5-en-2-ylidene)
Constituent 7
Chemical structure
Reference substance name:
1-methyl-4-(6-methylhepta-1,5-dien-2-yl)
Cas Number:
869843-05-0
Molecular formula:
C15H24
IUPAC Name:
1-methyl-4-(6-methylhepta-1,5-dien-2-yl)
Constituent 8
Chemical structure
Reference substance name:
(3Z,6E)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Cas Number:
26560-14-5
Molecular formula:
C15H24
IUPAC Name:
(3Z,6E)-3,7,11-trimethyldodeca-1,3,6,10-tetraene
Constituent 9
Chemical structure
Reference substance name:
(Z)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Cas Number:
28973-97-9
Molecular formula:
C15H24
IUPAC Name:
(Z)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene
Constituent 10
Chemical structure
Reference substance name:
1-methyl-4-(6-methylhept-5-en-2-yl)cyclohexa-1,4-diene
Cas Number:
72345-84-7
Molecular formula:
C15H24
IUPAC Name:
1-methyl-4-(6-methylhept-5-en-2-yl)cyclohexa-1,4-diene
Constituent 11
Chemical structure
Reference substance name:
2,6,10-trimethyldodeca-2,6,9,11-tetraene
EC Number:
207-948-6
EC Name:
2,6,10-trimethyldodeca-2,6,9,11-tetraene
Cas Number:
502-61-4
Molecular formula:
C15H24
IUPAC Name:
3,7,11-trimethyldodeca-1,3,6,10-tetraene
Constituent 12
Chemical structure
Reference substance name:
Likely sesquiterpene hydrocarbons
Cas Number:
n/a
Molecular formula:
C15H24
IUPAC Name:
Likely sesquiterpene hydrocarbons
Test material form:
liquid
Details on test material:
UVCB substance
Specific details on test material used for the study:
Batch no: VE00446520
Expiry date: December 27, 2017
Storage conditions: Room temperature (10-30°C), dry, dark

Results and discussion

Vapour pressureopen allclose all
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0.53 Pa
Key result
Test no.:
#2
Temp.:
25 °C
Vapour pressure:
0.87 Pa
Test no.:
#3
Temp.:
50 °C
Vapour pressure:
0.81 Pa

Applicant's summary and conclusion

Conclusions:
The vapour pressure of Bisabolene was determined to be:
At 20°C : 0.53 Pa
At 25°C : 0.87 Pa
Executive summary:

According to the guidelines A.4 Vapour pressure: Effusion method and OECD 104 vapour pressure, the vapour pressure of Bisabolene was determined to be:

At 20oC: 0.53 Pa

At 25oC: 0.87 Pa