Trimethoxypropylsilane

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:

23 May to 08 Jun 2016

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 (incl. QA statement)

Remarks:

Groupe Interministerial des Produits Chimiques, 67 rue Barbes, 94201 Ivry-sur Seine

Auto-ignition temperature:

250 °C

Atm. press.:

ca. 1 013 hPa

Results

 

Preliminary test

test no	sample volume (µl)	barometric pressure (mbar)	temperature (° C)	ignition delay (s)	test result
1	150	1000	300	3	ignition
2	150	1000	280	5	ignition
3	150	1000	260	25	ignition
4	150	1000	240	-	no ignition

Result value from preliminary test series: ignition: 260 °C, no ignition: 240 °C

 

Main test

 

First main test series

test no	sample volume (µl)	barometric pressure (mbar)	temperature (° C)	ignition delay (s)	test result
1	150	1000	255	41	ignition
2	150	1000	250	-	no ignition
3	150	1000	253	45	ignition
4	150	1000	251	-	no ignition
5	100	1000	251	-	no ignition
6	200	1000	251	-	no ignition
7	300	1000	251	-	no ignition

Result value from first main test series: ignition: 253 °C, no ignition: 250 °C

 

Second main test series

test no	sample volume (µl)	barometric pressure (mbar)	temperature (° C)	ignition delay (s)	test result
1	150	1004	253	40	ignition
2	150	1004	251	-	no ignition
3	250	1004	251	-	no ignition
4	350	1004	251	-	no ignition
5	450	1004	251	47	ignition
6	450	1004	249	-	no ignition
7	400	1004	249	-	no ignition
8	300	1004	249	-	no ignition
9	200	1004	249	-	no ignition
10	100	1004	249	-	no ignition

Result value from first main test series: ignition: 253 °C, no ignition: 250 °C

 

Retest

test no	sample volume (µl)	barometric pressure (mbar)	temperature (° C)	ignition delay (s)	test result
1	450	990	253	36	ignition
2	450	990	251	48	ignition
3	450	990	249	-	no ignition
4	350	990	249	-	no ignition
5	250	990	249	-	no ignition
6	150	990	249	-	no ignition
7	60	990	249	-	no ignition
8	300	990	249	-	no ignition
9	400	990	249	-	no ignition

Result value from retest: ignition: 251 °C, no ignition: 249 °C

 

Evaluation summary

lowest value from pretest	260 °C
lowest value from first main test	253 °C
lowest value from second main test	251 °C
lowest value from retest	251 °C

Lowest value of all main test/retest series: 251 °C

 

Concluding Result

The auto-ignition temperature is 250 °C (according to the assessment criteria and definition in the Council Regulation (EC) No 440/2008, test method A.15).

Conclusions:

An auto-ignition temeprature of 250 °C was determined in a reliable study conducted according to an appropriate test protocol, and in compliance with GLP.

Description of key information

250 °C at ca. 1013 hPa (EU Method A.15)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

250 °C