Dichlorocyclohexylmethylsilane

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:

2011-04-28 to 2011-05-4

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study with acceptable restrictions

Remarks:

The study was conducted according to an appropriate test method. It was not compliant with GLP.

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

GLP compliance:

no

Other quality assurance:

other: ISO 9001:2008

Key result

Auto-ignition temperature:

249 °C

Atm. press.:

ca. 954.8 - ca. 965.5 hPa

Table 1: preliminary test

S/N	Test temperature (°C)	Sample quantity (drops)	Atmospheric pressure (hPa)	Time-lags (Sec)	Result concerning ignition [negative(-) / positive(+)]
1	168	5	957.8	300	-
2	184	5		300	-
3	212	5		300	-
4	232	5		300	-
5	256	5		300	-
6	279	5		300	-
7	284	5		10	+
Lowest test temperature				284°C

 

 

Table 2: first test series                

S/N	Test temperature (°C)	Sample quantity (drops)	Atmospheric pressure (hPa)	Time-lags (Sec)	Result concerning ignition [negative(-) / positive(+)]
1	279	5	956.4	10	+
2	274	5		10	+
3	269	5		10	+
4	264	5		10	+
5	259	10	954.8	10	+
6	254	10		300	-
7	254	6		300	-
8	254	2		300	-
9	254	14		300	-
10	254	18		300	-
11	257	10		300	-
12	257	6		300	-
13	257	2		300	-
14	257	14		300	-
15	257	18		10	+
16	255	18		10	+
17	253	18		10	+
18	251	18	964.4	300	-
19	251	14		300	-
20	251	10		300	-
21	251	6		300	-
22	251	2		300	-
Lowest test temperature				253°C

 

Table 3: Test series 2     

S/N	Test temperature (°C)	Sample quantity (drops)	Atmospheric pressure (hPa)	Time-lags (Sec)	Result concerning ignition [negative(-) / positive(+)]
1	264	18	964.4	10	+
2	259	18		10	+
3	254	18		10	+
4	249	18		300	-
5	249	14		300	-
6	249	10		300	-
7	249	6		300	-
8	249	2		300	-
9	252	18		300	-
10	252	14		300	-
11	252	10		300	-
12	252	6		300	-
13	252	2		300	-
Lowest test temperature				254°C

 

Table 4: Test series 3

S/N	Test temperature (°C)	Sample quantity (drops)	Atmospheric pressure (hPa)	Time-lags (Sec)	Result concerning ignition [negative(-) / positive(+)]
1	259	18	965.5	10	+
2	254	18		10	+
3	249	18		300	-
4	249	14		300	-
5	249	10		300	-
6	249	6		300	-
7	249	2		300	-
8	252	18		300	-
9	252	14		300	-
10	252	10		300	-
11	252	6		300	-
12	252	2		300	-
Lowest test temperature				254°C

 

Table 5 summary of result

Parameter	Value (°C)
Lowest value of test series 1	253
Lowest value of test series 2	254
Lowest value of test series 3	254
Lowest value of all test series	253
Absolute deviation of the lowest value (1.5%)	3.8
Auto ignition temperature	249

Conclusions:

An auto-ignition temperature value of 249°C at 954.8 to 965.5 hPa has been determined for the test substance but not in compliance with GLP. The result is considered reliable.

Description of key information

Auto-ignition temperature: 249°C at 954.8 to 965.5 hPa (DIN EN 14522)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

249 °C

Additional information

An auto-ignition temperature value of 485°C at 954.8 to 965.5 hPa was determined for the substance using a relevant test method in accordance with DIN EN 14522 Test Method.