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Auto flammability

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Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
25 July 2000 to 22 September 2000
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
GLP compliance:
yes (incl. QA statement)
Key result
Auto-ignition temperature:
336 °C
Atm. press.:
>= 100.96 - <= 101.96 kPa
Remarks on result:
other: ± 5 ºC

Table 1: Summary of results

 Test temperature (ºC)  Test volume (µL)  Ignition delay (s) Observations
 50 (clean flask)  70  >300  No ignition
 100 (clean flask)  70  >300  No ignition
 150  70  >300  No ignition
 200  70  >300  No ignition. Grey fumes were emitted
 250  70  >300  No ignition. Grey fumes were emitted
 300  70  >300  No ignition. Grey fumes were emitted
 350  70  >300  No ignition. Grey fumes were emitted
 400  70  3  A blue flame. Grey fumes were emitted
 390  70  3  A blue flame. Grey fumes were emitted
 380  70  4  A blue flame. Grey fumes were emitted
 370  70  8  A blue flame. Grey fumes were emitted
 360 (clean flask)  70  8  A blue flame. Grey fumes were emitted
 350 (clean flask)  70  12  A blue flame. Grey fumes were emitted
 340  70  12  A blue flame. Grey fumes were emitted
 330  70  >300  No ignition. Grey fumes were emitted
 334  70  >300  No ignition. Grey fumes were emitted
 336  70  18  A blue flame. Grey fumes were emitted
 334 (clean flask)  70  >300  No ignition. Grey fumes were emitted
 334 (clean flask)  200  >300  No ignition. Grey fumes were emitted
 334 (clean flask)  400  >300  No ignition. Grey fumes were emitted
 334 (clean flask)  600  >300  No ignition. Grey fumes were emitted
 334 (clean flask)  800  >300  No ignition. Grey fumes were emitted
 334 (clean flask)  1000  >300  No ignition. Grey fumes were emitted
Conclusions:
Under the conditions of the test, the auto-ignition temperature of the test material was determined to be 336 ± 5 ºC.
Executive summary:

In a GLP compliant auto-ignition temperature study conducted in accordance with standardised guideline EU Method A.15, the auto-ignition temperature of the test material was determined. Under the conditions of the test, the auto-ignition temperature of the substance was determined to be 336 ± 5 ºC.

Description of key information

336 ± 5 ºC; study was conducted in accordance with EU Method A.15; Tremain (2000a)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
336 °C

Additional information

In a GLP compliant auto-ignition temperature study conducted in accordance with a standardised guideline, the auto-ignition temperature of the test material was determined. Under the conditions of the test, the auto-ignition temperature of the substance was determined to be 336 ± 5 ºC.

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