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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Physical & Chemical properties

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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes (incl. QA statement)
Relative self-ignition temperature:
369 °C

In the temperature range from 193 to 199 °C an exothermic effect is observed with a maximum temperature of 337 °C. At about 320 °C a second exothermic effect begins. A temperature of 400 °C of the sample is reached at an oven temperature of 369 °C. A grey-black foamed mass was inside the basket at the end of the test.

Conclusions:
For Bayscript gelb GGN a relative self-ignition temperature of 369 °C was determined.
Executive summary:

The test was performed as stipulated in EC Test Procedure A.16 'Relative self-ignition temperature for solids'.

Bayscript gelb GGN was placed in a wire basket with 8 mL volume in an oven at room temperature. The oven was heated up with a rate of 0.5 K/min up to 420 °C. The temperature of the center of the sample and the temperature of an inert reference sample, which was also placed in the oven, were recorded.

In the temperature range from 193 to 199 °C an exothermic effect is observed with a maximum temperature of 337 °C. At about 320 °C a second exothermic effect begins. A temperature of 400 °C of Bayscript gelb GGN is reached at an oven temperature of 369 °C. A grey-black foamed mass was inside the basket at the end of the test.

Description of key information

The test was performed as stipulated in EC Test Procedure A.16 'Relative self-ignition temperature for solids'. A relative self-ignition temperature of 369 °C was determined for Bayscript gelb GGN

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
369 °C

Additional information

In the temperature range from 193 to 199 °C an exothermic effect is observed with a maximum temperature of 337 °C. At about 320 °C a second exothermic effect begins. A temperature of 400 °C of Bayscript gelb GGN is reached at an oven temperature of 369 °C. A grey-black foamed mass was inside the basket at the end of the test.