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Auto flammability

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Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From December 02, 1999 to December 03, 1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
no
GLP compliance:
yes
Key result
Relative self-ignition temperature:
384 °C

A exotherm reaction of the test substance occured at a temperature of 150°C and led to 390°C. After this, the temperature of the test substance overshoot the oven temperature that exceeded 400°C at a temperature of 384°C.

Conclusions:
Under the study conditions, the auto-flammability temperature of the test substance was determined to be 384°C.
Executive summary:

A study was conducted to determine the auto-flammability temperature of the test substance according to EU Method A.16, in compliance with GLP. 8 cm3 (6.1 g) was placed in an oven at 20°C. The temperature/time curve related to the conditions in the center of the sample was recorded while the temperature of the oven was increased to 400°C, at a constant rate of 0.5°C/min. The temperature of the oven at which the sample temperature reaches 400°C by self-heating is called the auto-flammability (self-ignition) temperature. A exotherm reaction of the test substance occurred at a temperature of 150°C and led to 390°C. After this, the temperature of the test substance overshoot the oven temperature that exceeded 400°C at a temperature of 384°C. Under the study conditions, the auto-flammability temperature of the test substance was determined to be 384°C (Hoffmann, 1999).

Endpoint:
relative self-ignition temperature (solids)
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
From December 02, 1999 to December 03, 1999
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
RA study
Reason / purpose:
read-across source
Qualifier:
according to
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
no
GLP compliance:
yes
Key result
Relative self-ignition temperature:
384 °C

A exotherm reaction of the test substance occured at a temperature of 150°C and led to 390°C. After this, the temperature of the test substance overshoot the oven temperature that exceeded 400°C at a temperature of 384°C.

Conclusions:
Under the study conditions, the auto-flammability temperature of the substance was determined to be 384°C.
Executive summary:

A study was conducted to determine the auto-flammability temperature of the read-across substance Reaktiv Scharlach F97 -0319 according to EU Method A.16, in compliance with GLP. 8 cm3 (6.1 g) was placed in an oven at 20°C. The temperature/time curve related to the conditions in the center of the sample was recorded while the temperature of the oven was increased to 400°C, at a constant rate of 0.5°C/min. The temperature of the oven at which the sample temperature reaches 400°C by self-heating is called the auto-flammability (self-ignition) temperature. A exotherm reaction of the test substance occurred at a temperature of 150°C and led to 390°C. After this, the temperature of the test substance overshoot the oven temperature that exceeded 400°C at a temperature of 384°C. Under the study conditions, the auto-flammability temperature of the substance was determined to be 384°C (Hoffmann, 1999).

Description of key information

The auto-flammability temperature was determined according to EU Method A.16 (Hoffmann, 1999).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
384 °C

Additional information