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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
03 June 2016 - 07 June 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))
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
Deviations:
no
Qualifier:
according to guideline
Guideline:
IEC 60079-4 (Electrical apparatus for explosive gas atmospheres. Part 4: Method of test for ignition temperature)
Version / remarks:
1975
GLP compliance:
yes
Key result
Auto-ignition temperature:
255 °C
Atm. press.:
>= 1 020.7 - <= 1 021.3 hPa

Table: Results of the auto-ignition temperature measurements

 

Test

Volume

[μL]

Start

[°C]

End

[°C]

Auto-ignition

temperature

[°C]

Ignition

delay

[s]

Colour

of the flame

Minimum auto-ignition

temperature

[°C]

 

 

 

 

 

 

 

 

1

70

290

274

276

33

Orange

258

 

150

273

261

263

55

Orange

 

 

300

260

256

258

52

Orange

 

 

600

267

259

261

80

Orange

 

 

 

 

 

 

 

 

 

2

100

276

262

264

46

Orange

257

 

350

261

255

257

81

Orange

 

 

700

270

260

262

67

Orange

 

 

 

 

 

 

 

 

 

3

80

275

269

271

53

Orange

260

 

400

268

258

260

71

Orange

 

 

650

271

261

263

77

Orange

 

 

 

 

 

 

 

 

 

 

Conclusions:
The auto-ignition temperature of HEXALON was determined to be 255°C.
Executive summary:

The auto-ignition temperature at 1021 hPa was determined in a GLP study according to EC A.15, DIN 51794 and IEC 79-4. The auto-ignition temperature of HEXALON was determined to be 255°C.

Description of key information

Auto-ignition temperature of Hexalon: 255°C (EC A.15, DIN 51794 and IEC 79-4) 

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
255 °C

Additional information

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