Oils, cinnamon

Auto flammability

Administrative data

Endpoint:

auto-ignition temperature (liquids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

13/01/2015 - 14/01/2015

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study according to international guideline (EU Method A.15) under GLP.

Cross-reference

Reason / purpose for cross-reference:

reference to same study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2015

Report date:

2015

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))

Deviations:

no

Principles of method if other than guideline:

Procedure based on Anon (1987), Electrical Apparatus for Explosive Gas Atmospheres. Part 4: Method of Test for Ignition Temperature. IEC Publications 79-4, P1-19.

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

1

Reference substance name:

Essential oil of Cinnamon bark obtained from the bark of Cinnamomum zeylanicum, Lauraceae by distillation

EC Number:

943-043-9

Cas Number:

8015-91-6

IUPAC Name:

Essential oil of Cinnamon bark obtained from the bark of Cinnamomum zeylanicum, Lauraceae by distillation

Test material form:

liquid

Remarks:

Pale yellow to dark yellow or brownish yellow color and powerful diffusive warm-spicy sweat and tenacious odour.

Details on test material:

Identification: Cinnamon Bark Oil (CBO)

Results and discussion

Auto-ignition temperature (liquids / gases)

Auto-ignition temperature:

400 °C

Atm. press.:

>= 99.6 - <= 100 kPa

Remarks on result:

other: Standard deviation: +/- 5ºC

Any other information on results incl. tables

Test temperature (°C)	Test Volume (μL)	Ignition Delay (s)	Observations
200 (clean flask)	70	>300	No ignition
250 (clean flask)	70	>300	No ignition. Grey fumes were emitted.
300	70	>300	No ignition. Grey fumes were emitted.
350	70	>300	No ignition. Grey fumes were emitted.
400	70	>300	No ignition. Grey fumes were emitted.
450	70	2	An orange flame. Grey fumes were emitted.
430	70	3	An orange flame. Grey fumes were emitted.
410	70	5	An orange flame. Grey fumes were emitted.
404 (clean flask)	70	>300	No ignition. Grey fumes were emitted.
406 (clean flask)	70	6	An orange flame. Grey fumes were emitted.
404 (clean flask)	200	7	An orange flame. Grey fumes were emitted.
402 (clean flask)	200	7	An orange flame. Grey fumes were emitted.
400 (clean flask)	200	8	An orange flame. Grey fumes were emitted.
398 (clean flask)	200	>300	No ignition. Grey fumes were emitted.
398 (clean flask)	400	>300	No ignition. Grey fumes were emitted.
398 (clean flask)	600	>300	No ignition. Grey fumes were emitted.
398 (clean flask)	800	>300	No ignition. Grey fumes were emitted.
398 (clean flask)	1000	>300	No ignition. Grey fumes were emitted.

 

Room temperature: 21°C

Atmospheric pressure: 99.6 to 100.0 kPa

Applicant's summary and conclusion

Conclusions:

The auto-ignition temperature of Cinnamon bark oil is 400°C.

Executive summary:

The auto-ignition temperature of Cinnamon bark oil was determined according to EU Method A15 under GLP. The auto-ignition temperature was found to be 400°C ± 5°C at an atmospheric pressure of 99.6 -100 hPa.