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Administrative data

Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13 March 2018 - 27 March 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
Reference substance name:
Extract obtained from the shell of Theobroma cacao (Malvaceae) by co-extraction with ethanol and propylene glycol
EC Number:
948-055-8
Molecular formula:
not applicable as it is a UVCB
IUPAC Name:
Extract obtained from the shell of Theobroma cacao (Malvaceae) by co-extraction with ethanol and propylene glycol
Test material form:
liquid: viscous
Details on test material:
- Physical appearance: dark brown to black viscous liquid
- Storage conditions: in refrigerator (2-8°C) protected from light

Results and discussion

Auto-ignition temperature (liquids / gases)
Key result
Auto-ignition temperature:
445 °C
Atm. press.:
>= 996 - <= 1 011 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

479

19

orange/blue

449

 

150

449

23

 

 

 

250

450

37

 

 

2

100

466

23

orange/blue

446

 

200

446

30

 

 

 

225

447

42

 

 

 

350

455

38

 

 

3

90

474

12

orange/blue

449

 

170

449

21

 

 

 

300

450

41

 

 

 

Applicant's summary and conclusion

Conclusions:
The auto-ignition temperature of the substance was determined to be 445°C (at 996- 1011 hPa).
Executive summary:

The auto-ignition temperature of the substance was determined to be 445°C (at 996-1011 hPa) in a GLP study according to EC A.15 and DIN 51794.