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Physical & Chemical properties

Storage stability and reactivity towards container material

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Reference
Endpoint:
storage stability and reactivity towards container material
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions.
GLP compliance:
yes
Type of method:
other: Screening procedure and Digital Thermal Analysis (DTA)
Results:
Self-reactive substances
SADT > 75 °C, not self reactive
heat of decomposition: - 380 J/g

DTA (3 K/min):

A weak exothermic reaction (-10 J/g) was detected at 80 °C.

Above 321 °C began a exothermic reaction (> -380 J/g), which was not completed until 500 °C. The first exothermic reaction was an oxidizing reaction with the residual oxygen in the glass container. It disappears under argon.

Based on the onset-temperature (321 °C) it is expected that SADT is > 75 °C.

Conclusions:
The self-reactive substances showed a SADT >75 °C and it is therefore not self reactive.
Executive summary:

The determination of self-reactive substances was measured at screening procedure and showed a heat of decomposition of -380 J/g. The measuration of Digital Thermal Analysis (DTA) showed following result: A weak exothermic reaction (-10 J/g) was detected at 80 °C. Above 321 °C began a exothermic reaction (> -380 J/g), which was not completed until 500 °C. The first exothermic reaction was an oxidizing reaction with the residual oxygen in the glass container. It disappears under argon.

Based on the onset-temperature (321 °C) it is expected that SADT is > 75 °C and it is therefore not self reactive.

Description of key information

The self-reactive substances showed a SADT >75 °C and it is therefore not self reactive.

Additional information

The determination of self-reactive substances was measured at screening procedure and showed a heat of decomposition of -380 J/g. The measuration of Difference Thermal Analysis (DTA) showed following result: A weak exothermic reaction (-10 J/g) was detected at 80 °C. Above 321 °C began a exothermic reaction (> -380 J/g), which was not completed until 500 °C. The first exothermic reaction was an oxidizing reaction with the residual oxygen in the glass container. It disappears under argon.

Based on the onset-temperature (321 °C) it is expected that SADT is > 75 °C and it is therefore not self reactive.