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Diss Factsheets

Administrative data

Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
rel-(3R,3aS,7S,8aS)-3,6,8,8-tetramethyl-2,3,4,7,8,8a-hexahydro-1H-3a,7-methanoazulene
Cas Number:
22567-43-7
Molecular formula:
C15H24
IUPAC Name:
rel-(3R,3aS,7S,8aS)-3,6,8,8-tetramethyl-2,3,4,7,8,8a-hexahydro-1H-3a,7-methanoazulene
Constituent 2
Chemical structure
Reference substance name:
rel-(3R,3aR,7R,8aS)-3,8,8-trimethyl-6-methyleneoctahydro-1H-3a,7-methanoazulene
Cas Number:
1404220-60-5
Molecular formula:
C15H24
IUPAC Name:
rel-(3R,3aR,7R,8aS)-3,8,8-trimethyl-6-methyleneoctahydro-1H-3a,7-methanoazulene
Constituent 3
Chemical structure
Reference substance name:
rel-(3R,3aS,7S,8aS)-3,8,8-trimethyl-6-methyleneoctahydro-1H-3a,7-methanoazulene
Cas Number:
65450-98-8
Molecular formula:
C15H24
IUPAC Name:
rel-(3R,3aS,7S,8aS)-3,8,8-trimethyl-6-methyleneoctahydro-1H-3a,7-methanoazulene
Constituent 4
Chemical structure
Reference substance name:
rel-(1R,9S,E)-4,11,11-trimethyl-8-methylenebicyclo[7.2.0]undec-4-ene
Cas Number:
17627-40-6
Molecular formula:
C15H24
IUPAC Name:
rel-(1R,9S,E)-4,11,11-trimethyl-8-methylenebicyclo[7.2.0]undec-4-ene
Constituent 5
Chemical structure
Reference substance name:
rel-(1aR,4aR,8aR)-2,4a,8,8-tetramethyl-1,1a,4,4a,5,6,7,8-octahydrocyclopropa[d]naphthalene
Cas Number:
32435-95-3
Molecular formula:
C15H24
IUPAC Name:
rel-(1aR,4aR,8aR)-2,4a,8,8-tetramethyl-1,1a,4,4a,5,6,7,8-octahydrocyclopropa[d]naphthalene
Constituent 6
Chemical structure
Reference substance name:
1,8-dimethyl-4-(propan-2-ylidene)spiro[4.5]dec-7-ene
Molecular formula:
C15H24
IUPAC Name:
1,8-dimethyl-4-(propan-2-ylidene)spiro[4.5]dec-7-ene
Constituent 7
Chemical structure
Reference substance name:
1-methyl-4-(1,2,2-trimethylcyclopentyl)benzene
Cas Number:
51773-81-0
Molecular formula:
C15H22
IUPAC Name:
1-methyl-4-(1,2,2-trimethylcyclopentyl)benzene
Test material form:
liquid
Details on test material:
UVCB
Specific details on test material used for the study:
Batch: SH00085512

Results and discussion

Auto-ignition temperature (liquids / gases)
Key result
Auto-ignition temperature:
245 °C
Atm. press.:
101 325 Pa

Applicant's summary and conclusion

Executive summary:

The lowest temperature giving a positive effect was 249oC. The injected volume was 100ul, the ignition delay was 52s. At a temperature of 244oC no ignition was observed.

Therefore, after rounding-off to the next-lower multiple of 5oC:

Auto-ignition temperature of Cedrene Washed: 245 +/-10oC.