Octadec-2-enylsuccinic acid

Auto flammability

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

auto-flammability

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Qualifier:

according to guideline

Guideline:

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

GLP compliance:

yes

Auto-ignition temperature:

ca. 360 °C

Atm. press.:

>= 1 000.5 - <= 1 014.2 hPa

Remarks on result:

other:

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 < 20°C. According to the guidelines, no further testing was required.

 

The lowest temperature at which ignition of the test item occurred was 362°C. This temperature was rounded down to the nearest multiple of 5°C giving an auto-ignition temperature of the test item of 360°C.

Table1      Main study –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	375	9	Orange	365
	150	370	10	Orange
	300	365	8	Orange
	500	378	6	Orange
2	100	373	10	Orange	363
	250	364	12	Orange
	400	363	12	Orange
	550	372	9	Orange
3	125	367	10	Orange	362
	350	362	9	Orange
	600	375	11	Orange

Conclusions:

Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of EXP1505385.

The test item is auto-ignitable with an auto-ignition temperature of 360°C at 1000.5 – 1014.2 hPa.

Executive summary:

The auto-ignition temperature of the test item was determined using a commercially available auto-ignition temperature apparatus (Chilworth Technology,). The method is applicable to test items with an auto-ignition temperature in the range 75°C – 650°C.

The test item is auto-ignitable with an auto-ignition temperature of 360°C at 1000.5 – 1014.2 hPa.

Reference 2

Endpoint:

auto-ignition temperature, other

Type of information:

experimental study

Adequacy of study:

key study

Study period:

31 August 2000

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))

GLP compliance:

yes

Specific details on test material used for the study:

Appearance: Light brown solid
Storage conditions: Room temperature in the dark
Expiry date: September 2004

Key result

Auto-ignition temperature:

364 °C

Atm. press.:

> 971 - < 1 008 mBar

Conclusions:

The auto-ignition temperature of the test substance was found to be 364°C.

Executive summary:

The auto-ignition temperature was determined using the method described in BS 4056.

Furnace consisting of a refractory cylinder, manufactured by Carbolite, fitted with thermocouples fortemperature control and measurement.

A known quantity of the test substance was introduced into a heated open Erlenmeyer flask (200 ml) containing air. The contents of the flask were observed in a darkened room for five minutes following introduction of a sample or until ignition occurred. Ignition was evidenced by the sudden appearance of a flame inside the flask. If a flame was not observed in five minutes, the quantity of sample tested was considered non-flammable at the temperature of the test flask. If a flame was observed, the timer was stopped and the time interval between sample introduction and the appearance of the flame recorded to the nearest second as the time-lag.

The auto-ignition temperature of the test substance was found to be 364°C.

The test was repeated at different temperatures and with different sample quantities until the minimum ignition temperature was obtained. The temperature was reduced by 2°C and six replicate tests conducted using the quantity at which the lowest ignition temperature was found.

The lowest flask temperature at which ignition occurred was taken as the auto-ignition temperature.

Description of key information

Two studies are available for auto-ignition for the Substance. The study results are summarised as follows:

 

Method A16. : The auto-ignition temperature of the the Substance was found to be 360°C at 1000.5 – 1014.2 hPa.

Method A15. : The auto-ignition temperature of the the Substance was found to be 364°C.