Triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane

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:

2015-04-10 to 2015-04-17

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 (EC) No 440/2008

Deviations:

no

Qualifier:

according to guideline

Guideline:

DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Key result

Auto-ignition temperature:

245 °C

Atm. press.:

>= 1 003 - <= 1 017 hPa

Table of results

Preliminary test

Test no.	Sample volume [µl]	Barometric pressure [mbar]	T [°C]	Ignition delay [s]	Test result
1	150	1012	300	6	ignition
2	150	1012	280	12	ignition
3	150	1012	260	35	ignition
4	150	1012	240	-	no ignition
5	150	1012	245	-	no ignition
6	150	1012	250	-	no ignition
7	150	1012	255	-	no ignition
8	150	1012	258	56	ignition
9	150	1012	258	40	ignition

Result value from preliminary test series:  ignition: 258°C, no ignition: 255°C

 

Main test:

First main test series

 

Test no.	Sample volume [µl]	Barometric pressure [mbar]	T [°C]	Ignition delay [s]	Test result
1	150	1017	256	-	no ignition
2	300	1017	256	30	ignition
3	300	1017	253	35	ignition
4	300	1017	251	42	ignition
5	300	1017	249	48	ignition
6	300	1017	247	54	ignition
7	300	1017	245	-	no ignition
8	400	1017	245	60	ignition
9	400	1017	243	-	no ignition
10	450	1017	243	-	no ignition
11	200	1017	243	-	no ignition
12	100	1017	243	-	no ignition

 

Results first main testseries: ignition: 245°C, no ignition: 243°C

 

Second main test series

 

Test no.	Sample volume [µl]	Barometric pressure [mbar]	T [°C]	Ignition delay [s]	Test result
1	300	1015	245	-	no ignition
2	450	1015	245	-	no ignition
3	150	1015	245	-	no ignition
4	300	1015	245	-	no ignition
5	450	1015	245	-	no ignition
6	450	1015	247	-	no ignition
7	400	1015	249	58	ignition
8	400	1015	247	66	ignition
9	400	1015	245	-	no ignition
10	300	1015	245	-	no ignition
11	200	1015	245	-	no ignition
12	150	1015	245	-	no ignition

 

Results second main test:  ignition: 247°C, no ignition: 245°C

Retest

Test no.	Sample volume [µl]	Barometric pressure [mbar]	T [°C]	Ignition delay [s]	Test result
1	400	1003	250	45	ignition
2	400	1003	248	-	no ignition
3	300	1003	248	-	no ignition
4	200	1003	248	-	no ignition
5	100	1003	248	-	no ignition
6	450	1003	248	-	no ignition
7	400	1003	248	55	ignition
8	400	1003	246	65	ignition
9	400	1003	245	75	ignition
10	400	1003	244	-	no ignition
11	300	1003	244	-	no ignition
12	200	1003	244	-	no ignition
13	100	1003	244	-	no ignition
14	450	1003	244	-	no ignition

 

Results retest:  ignition: 245°C, no ignition: 244°C

The retest was performed to check for reproducibility of the test results.

 

Summary of result

lowest value from pretest:	258°C
lowest value for first main test:	245°C
lowest value for second main test:	247°C
lowest value for retest:	245°C

Lowest value of all main test/retest series: 245°C

Conclusions:

A measured auto-ignition temperature value of 245°C at 1003-1017 hPa (mbar) was determined for the substance using a relevant test method. The result is considered to be reliable.

Description of key information

Auto-ignition temperature: 245°C at 1003-1017 hPa (DIN 51794)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

245 °C

Additional information

A measured auto-ignition temperature value of 245°C at 1003-1017 hPa was determined for the substance using a relevant test method according to EU Method A.15 and in compliance with GLP. The result is considered to be reliable.