Hexanoic acid, 2-ethyl-, C12-15-alkyl esters

Auto flammability

Link to relevant study record(s)

Reference

Endpoint:

auto-ignition temperature (liquids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

9 Jan 2018 - 16 Feb 2018

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

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

Version / remarks:

Council Regulation 440/2008, 30 May 2008

Deviations:

no

GLP compliance:

no

Other quality assurance:

other: ISO 9001:2015

Key result

Auto-ignition temperature:

240 °C

Atm. press.:

>= 1 006 - <= 1 015 hPa

Preliminary Test

The estimated auto-ignition temperature was 255°C.

Main Study

The results of the main study on the determination of the auto-ignition temperature of the test item are given inTable 6.

Ignition of the test item within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 10°C. According to the guidelines, no further testing was required.

The lowest temperature at which ignition of the test item occurred was 242°C. This temperature was rounded down to the nearest multiple of 5°C giving an auto-ignition temperature of the test item of 240°C.

Table 6          
Auto-ignition Temperature of the Test Item

Test	Volume [μL]	Auto-ignition temperature [°C]	Ignition delay [s]	Colour of the flame	Minimum auto-ignition temperature [°C]
1	70	253	34	orange/blue	242
	150	247	95	orange/blue
	300	244	236	orange/blue
	500	243	297	orange/blue
	750	242	301	orange/blue
	1000	245	238	orange/blue
2	100	255	43	orange/blue	244
	600	244	208	orange/blue
	900	245	288	orange/blue
3	200	246	103	orange/blue	243
	700	243	243	orange/blue
	950	248	214	orange/blue

Conclusion

Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of Hetester FAO.

The test item is auto-ignitable with an auto-ignition temperature of 240°C.

The atmospheric pressure was 1006 and 1015 hPa.

Conclusions:

The auto-ignition temperature of the test substance was found to be 240 °C at 1006-1015 hPa, under the conditions of the test.

Executive summary:

In this guideline (EU A.15) study, the auto-ignition temperature of the test substance was found to be 240 °C at 1006 -1015 hPa.

Description of key information

Study conducted to recognised testing guidelines.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

240 °C

Additional information

The registered substance does not meet the criteria for consideration as a flammable liquid of the Classification, Labelling, and Packaging (CLP) regulation (1272/2008).