1,1-dimethyl-N,N'-bis(1-methylpropyl)silanediamine

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:

2015-08-10 to 2015-08-19

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study with acceptable restrictions

Remarks:

The study was conducted according to an appropriate OECD test guideline and in compliance with a known quality system (ISO 9001:2008).

Qualifier:

according to guideline

Guideline:

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

Qualifier:

according to guideline

Guideline:

DIN EN 14522, Method S (Determination of the auto ignition temperature of gases and vapours)

GLP compliance:

no

Other quality assurance:

other: ISO 9001:2008

Key result

Auto-ignition temperature:

226 °C

Atm. press.:

960 - 968 hPa

Preliminary Test

 

No.	Test temperature [°C]	Number of sample [drops]	Result concerning ignition [negative(-) / positive(+)]	Atmospheric pressure [hPa]
1	223.9	5	-	965
2	248.4	5	-
3	271.5	5	-
4	279.9	5	+

 

Lowest test temperature:

279.9 °C

Test Series 1

 

No.	Test temperature [°C]	Number of sample [drops]	Result concerning ignition [negative(-) / positive(+)]	Atmospheric pressure [hPa]
1	275.0	5	+
2	270.0	5	+
3	265.0	5	+
4	260.0	5	+
5	255.0	5	+
6	250.0	5	+	968
7	245.0	5	+
8	240.0	5	-
9	240.0	1	-
10	240.0	9	-
11	240.0	13	-
12	240.0	17	+
13	235.0	17	-
14	235.0	13	+
15	230.0	13	-
16	230.0	9	-
17	230.0	5	-
18	230.0	1	-
19	230.0	17	+
20	225.0	17	-
21	225.0	13	-
22	225.0	9	-
23	225.0	5	-
24	225.0	1	-
25	228.0	17	-
26	228.0	13	-
27	228.0	9	-
28	228.0	5	-
29	228.0	1	-

 

Lowest test temperature:

230°C

 

 

Test Series 2

 

No.	Test temperature [°C]	Number of sample [drops]	Result concerning ignition [negative(-) / positive(+)]	Atmospheric pressure [hPa]
1	280.0	17	+	961
2	275.0	17	+
3	270.0	17	+
4	265.0	17	+
5	260.0	17	+
6	255.0	17	+
7	250.0	17	+
8	245.0	17	+
9	240.0	17	+
10	235.0	10	-	960
11	235.0	6	-
12	235.0	2	+
13	230.0	2	-
14	230.0	6	-
15	230.0	10	-
16	230.0	14	-
17	230.0	18	-
18	233.0	2	-
19	233.0	6	-
20	233.0	10	-
21	233.0	14	+
22	231.0	14	+
23	229.0	14	+	963
24	227.0	14	-
25	227.0	10	-
26	227.0	6	-
27	227.0	2	-
28	227.0	18	-

 

Lowest test temperature:

229°C

  

Test Series 3

 

No.	Test temperature [°C]	Number of sample [drops]	Result concerning ignition [negative(-) / positive(+)]	Atmospheric pressure [hPa]
1	240.0	14	+
2	235.0	14	-
3	235.0	10	+
4	230.0	10	-
5	230.0	6	-
6	230.0	2	-
7	230.0	14	+
8	225.0	14	-
9	225.0	10	-	966
10	225.0	6	-
11	225.0	2	-
12	225.0	18	-
13	228.0	14	-
14	228.0	10	-
15	228.0	6	-
16	228.0	2	-
17	228.0	18	-

 

Lowest test temperature:

230°C

 

 

Summary

 

Parameter	Value
Lowest value of test series 1:	230°C
Lowest value of test series 2:	229°C
Lowest value of test series 3:	230°C
Lowest value of all test series:	229°C
Absolute deviation of the lowest value (1.5%):	3.4°C

 

Auto-ignition temperature:

226°C

Conclusions:

An auto-ignition temperature of 226°C at 960 - 968 hPa was determined for this substance using the relevant test method and in compliance with ISO 9001:2008. The result is considered to be reliable.

Description of key information

Auto-ignition temperature: 226°C at 960 to 968 hPa (DIN 14522)

Additional information

An auto-ignition temperature value of 226°C at 972 to 977 hPa was determined for the submission substance in accordance with DIN 14522 Method S and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.