Reaction mass of 3-phenyl-6-[(3-phenyl-3,4-dihydro-2H-1,3-benzoxazin-8-yl)methyl]-3,4-dihydro-2H-1,3-benzoxazine and 6,6'-methanediylbis(3-phenyl-3,4-dihydro-2H-1,3-benzoxazine)

Auto flammability

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

auto-ignition temperature, other

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Experimental starting date: 18 May 2017 and Experimental completion date: 19 June 2017

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:

30 May 2008

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Key result

Auto-ignition temperature:

530 °C

Atm. press.:

>= 101 - <= 102.5 kPa

Results

Results of the auto-ignition temperature determination are shown in the following table:

Table 1:

Temperature (ºC)	Clean Flask (Yes/No)	Weight (g)	Ignition Delay (s)	Observations
200	Yes	0.2	>300	No ignition.
250	No	0.2	>300	No ignition. Grey fumes were emitted.
300	No	0.2	>300	No ignition. Grey fumes were emitted.
350	No	0.2	>300	No ignition. Grey fumes were emitted.
400	No	0.2	>300	No ignition. Grey fumes were emitted.
450	No	0.2	>300	No ignition. Grey fumes were emitted.
500	No	0.2	>300	No ignition. Grey fumes were emitted.
550	No	0.2	1	A red orange flame. Grey fumes were emitted.
540	No	0.2	3	A red orange flame. Grey fumes were emitted.
530	No	0.2	5	A red orange flame. Grey fumes were emitted.

Table 1 (continued)

Temperature (ºC)	Clean Flask (Yes/No)	Weight (g)	Ignition Delay (s)	Observations
520	Yes	0.2	>300	No ignition. Grey fumes were emitted.
522	No	0.2	>300	No ignition. Grey fumes were emitted.
524	No	0.2	>300	No ignition. Grey fumes were emitted.
526	No	0.2	>300	No ignition. Grey fumes were emitted.
528	Yes	0.2	>300	No ignition. Grey fumes were emitted.
528	Yes	0.4	>300	No ignition. Grey fumes were emitted.
528	Yes	0.6	>300	No ignition. Grey fumes were emitted.
528	Yes	0.8	>300	No ignition. Grey fumes were emitted.
528	Yes	1.0	>300	No ignition. Grey fumes were emitted.

Room temperature: 20 to 23 °C Atmospheric pressure: 101.0 to 102.5 kPa

Conclusions:

The test item has been determined to have an auto-ignition temperature of 530 ± 5 °C.

Executive summary:

Auto-Ignition Temperature (Liquids and Gases). 530 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Reference 2

Endpoint:

auto-ignition temperature, other

Type of information:

read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

key study

Study period:

Experimental starting date: 18 May 2017 and Experimental completion date: 19 June 2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Justification for type of information:

Please refer to the read-across justification document enclosed in chapter 13 for more details.

Reason / purpose for cross-reference:

read-across source

Qualifier:

according to guideline

Guideline:

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

Version / remarks:

30 May 2008

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Key result

Auto-ignition temperature:

530 °C

Atm. press.:

>= 101 - <= 102.5 kPa

Results

Results of the auto-ignition temperature determination are shown in the following table:

Table 1:

Temperature (ºC)	Clean Flask (Yes/No)	Weight (g)	Ignition Delay (s)	Observations
200	Yes	0.2	>300	No ignition.
250	No	0.2	>300	No ignition. Grey fumes were emitted.
300	No	0.2	>300	No ignition. Grey fumes were emitted.
350	No	0.2	>300	No ignition. Grey fumes were emitted.
400	No	0.2	>300	No ignition. Grey fumes were emitted.
450	No	0.2	>300	No ignition. Grey fumes were emitted.
500	No	0.2	>300	No ignition. Grey fumes were emitted.
550	No	0.2	1	A red orange flame. Grey fumes were emitted.
540	No	0.2	3	A red orange flame. Grey fumes were emitted.
530	No	0.2	5	A red orange flame. Grey fumes were emitted.

Table 1 (continued)

Temperature (ºC)	Clean Flask (Yes/No)	Weight (g)	Ignition Delay (s)	Observations
520	Yes	0.2	>300	No ignition. Grey fumes were emitted.
522	No	0.2	>300	No ignition. Grey fumes were emitted.
524	No	0.2	>300	No ignition. Grey fumes were emitted.
526	No	0.2	>300	No ignition. Grey fumes were emitted.
528	Yes	0.2	>300	No ignition. Grey fumes were emitted.
528	Yes	0.4	>300	No ignition. Grey fumes were emitted.
528	Yes	0.6	>300	No ignition. Grey fumes were emitted.
528	Yes	0.8	>300	No ignition. Grey fumes were emitted.
528	Yes	1.0	>300	No ignition. Grey fumes were emitted.

Room temperature: 20 to 23 °C Atmospheric pressure: 101.0 to 102.5 kPa

Conclusions:

The test item has been determined to have an auto-ignition temperature of 530 ± 5 °C.

Executive summary:

Auto-Ignition Temperature (Liquids and Gases). 530 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Description of key information

Auto-Ignition Temperature (Liquids and Gases). 530 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

This endpoint is coming from a read-across:

ARALDITE MT 35600/35610 is used as source to read across this endpoint in ARALDITE MT 35700 dossier (TARGET).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

530 °C