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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-02-08 to 2010-04-12
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))
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: International Electrotechnical Commision (IEC), IEC standard 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature", 1975.
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Deutsches Institut für Normung (DIN), DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products", May 2003
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Conducted in compliance with OECD Good Laboratory Practices Guidelines (1997)
Key result
Auto-ignition temperature:
325 °C
Atm. press.:
>= 999.2 - <= 1 017.4 hPa

Preliminary test

The auto-ignition temperature of the test material was estimated at 350 °C.

Definitive test

Ignition of the test substance was observed within 5 minutes of introduction with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 20 °C. In accordance with the guideline, no further testing was required. The lowest temperature at which ignition of the test substance occurred was 328 °C. This was rounded to the nearest multiple of five giving an auto-ignition temperature of the test substance at 325 °C.

Table 2: Tabulated results of the definitive test

Test

Volume

[µL]

Auto-ignition temperature [°C]

Ignition delay [s]

Colour of the flame

Minimum auto-ignition temperature [°C]

 

1

70

341

7

Orange

 

334

100

334

12

Orange

140

348

12

Orange

 

2

50

340

8

Orange

 

329

110

329

11

Orange

125

335

10

Orange

 

3

55

329

8

Orange

 

328

60

328

8

Orange

160

329

6

Orange

Conclusions:
The auto-ignition temperature of Octyltintris(2-ethylhexyl mercaptoacetate) was determined to be 325 °C at 999.2-1017.4 hPa using a commercially available auto-ignition temperature apparatus.
Executive summary:

From a study conducted in compliance with GLP to current accepted guidelines, the auto-ignition temperature of Octyltintris(2-ethylhexyl mercaptoacetate) was determined to be 325 °C at 999.2-1017.4 hPa using a commercially available auto-ignition temperature apparatus.

Description of key information

The auto flammability of Octyltintris(2-ethylhexyl mercaptoacetate) was determined to be 325 °C at 999.2-1017.4 hPa

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
325 °C

Additional information

From a study conducted in compliance with GLP to current accepted guidelines, the auto-ignition temperature of Octyltintris(2-ethylhexyl mercaptoacetate) was determined to be 325 °C at 999.2-1017.4 hPa using a commercially available auto-ignition temperature apparatus.

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