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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:
from 20 March 2018 to 24 April 2018
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 guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2016
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrahydro-6-propyl-2H-pyran-2-one
EC Number:
211-820-5
EC Name:
Tetrahydro-6-propyl-2H-pyran-2-one
Cas Number:
698-76-0
Molecular formula:
C8H14O2
IUPAC Name:
tetrahydro-6-propyl-2H-pyran-2-one
Test material form:
liquid
Details on test material:
Appearance: Clear colourless to pale yellow liquid
Storage: In refrigerator (2-8°C)

Results and discussion

Auto-ignition temperature (liquids / gases)
Key result
Auto-ignition temperature:
370 °C
Atm. press.:
>= 1 023 - <= 1 030 hPa

Any other information on results incl. tables

Table: Results of the auto-ignition temperature measurements

Test

Volume
[μL]

Auto-ignition
temperature
[°C]

Ignition delay



[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

1

70

389

6

Orange/Blue

373

 

150

386

5

 

 

 

250

384

3

 

 

 

500

379

3

 

 

 

750

373

4

 

 

 

1000

378

3

 

 

2

300

383

4

Orange/Blue

374

 

600

374

4

 

 

 

900

383

5

 

 

3

200

384

5

Orange/Blue

381

 

450

381

2

 

 

 

800

389

4

 

 

 

Applicant's summary and conclusion

Conclusions:
The auto-ignition temperature of the substance was determined to be 370°C (at 1023-1030 hPa).
Executive summary:

The auto-ignition temperature of the substance was determined to be 370°C (at 1023 -1030 hPa) in a GLP study according to EC A.15 and DIN 51794.