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Physical & Chemical properties

Stability: thermal, sunlight, metals

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Endpoint:
stability: thermal, sunlight, metals, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
3 June 2002
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study (OECD113) with acceptable restrictions
Qualifier:
no guideline available
Principles of method if other than guideline:
The thermal stability of a substance was determined using Difference Scanning Calorimetry (DSC). Therefore, some milligrams of the substance were weighed into a glass crucible which was fused by an oxyhydrogen flame.
GLP compliance:
no
Test substance thermally stable:
no
Key result
Operating temp.:
> 25 - < 350 °C
Sublimation:
not determined
Transformation products:
not measured

The differential scanning calorimetry in a closed glass crucible showed a sharp decomposition signal in the temperature range of 178°C with a decomposition energy of 100 J/g.

Conclusions:
The differential scanning calorimetry in a closed glass crucible showed a sharp decomposition signal in the temperature range of 175 °C with a decomposition energy of 58 J/g.
Executive summary:

The differential scanning calorimetry in a closed glass crucible showed a sharp decomposition signal in the temperature range of 175°C with a decomposition energy of 58 J/g.

Endpoint:
thermal stability
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2012
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Qualifier:
according to guideline
Guideline:
other: VDI 2263
Principles of method if other than guideline:
A Grewer Oven test and an 8h-long-term-stability test were performed.
GLP compliance:
not specified
Specific details on test material used for the study:
Substance manufactured by Registrant;
Batch Number 78352001;
Purty > 95%
Test substance thermally stable:
yes

The 8h long-term-stability temperature (LZT) was 100 °C.

Conclusions:
The temperature of onset of temperature raise in airstream was 170°C in the Grewer test.
The 8h long-term-stability temperature (LZT) was 100 °C.
Executive summary:

The 8h long-term-stability temperature (LZT) was 100 °C.

Description of key information

The differential scanning calorimetry in a closed glass crucible showed a sharp decomposition signal in the temperature range of 160 - 230 °C with a decomposition energy of 100 J/g.

A Grewer Oven test was performed. The temperature of onset of temperature raise in airstream was 178 °C.

Additional information

Justification for classification or non-classification

Conclusive but not sufficient for classification.