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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

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Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-05-26 to 2010-08-26
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Well documented study performed according to EU A.15 guideline, under GLP and without deviation
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Auto-ignition temperature:
245 °C
Atm. press.:
99 544 Pa
Remarks on result:
other:

Experiment

Value

Ignition delay

Drops used

First Main Study

262 °C

4 seconds

7

Second Main Study

262 °C

8 seconds

7

Third Main Study

247 °C

26 seconds

7

Fourth Main Study

257 °C

13 seconds

9

Fifth Main Study

252 °C

10 seconds

5

The highest values were discarded (values in grey italics, first and second main study). For the final evaluation, the values from the third, the fourth and the fifth main study were used.

The lowest value of the auto ignition temperature is 247 °C.

The auto ignition temperature (result of determination) is the lowest value from the lowest values of the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto ignition temperature is stated as 245 °C.

Conclusions:
In this study, three independent determinations allowed to determine an auto ignition temperature of 245°C for D-LIMONENE (5989-27-5).
Executive summary:

A study was performed according to EU A.15 guideline to determine the auto-ignition temperature of d-limonene.

The lowest measured value of five experiments was 247°C. According to the followed guideline, the auto-ignition temperature should be the lowest value from the lowest values of three experiments rounded down to a whole multiple of 5°C. The final auto-ignition temperature of d-limonene was stated as 245°C.

The study having been conducted under GLP and without deviation, this result is considered as reliable without restriction.

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2001
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study
Principles of method if other than guideline:
Data from secondary literature : no information about method
GLP compliance:
no
Auto-ignition temperature:
237 °C
Atm. press.:
1 atm
Remarks on result:
other:
Conclusions:
The reported auto ignition temperature of d-limonene was 237 °C.
Executive summary:

The auto ignition temperature of d-limonene was reported in the Priority Existing Chemical Assessment Report No. 22 of the National Industrial Chemicals Notification and Assessment Scheme (NICNAS) as 237°C.

Description of key information

The Self-ignition temperature of d-limonene at atmospheric pressure is 245 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
245 °C

Additional information

Well described key study conducted according to Guideline and under GLP to determine the self-ignition temperature. The result was considered as reliable without restriction and is supported by another data from secondary literature which is in agreement with the key value.