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EC number: 807-040-5 | CAS number: 4538-42-5
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP Guideline Study
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 102 / OECD 113
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: Differential Thermal Analysis (DTA) / Differential Scanning Calorimetry (DSC)
- Boiling pt.:
- 220 - 290 °C
- Atm. press.:
- 1 atm
- Decomposition:
- yes
- Decomp. temp.:
- 140 - 215 °C
- Remarks on result:
- other: No pressure reported
- Conclusions:
- From room temperature up to 450 °C no definite boiling point could be observed. The inconstant endothermic effects between 220 °C and 290 °C could be interpreted as boiling range around 250 °C. After the heating process a brownish residue remained in the crucible which indicates decomposition.
- Executive summary:
According to EU Method A. 1 no definite boiling point was detected. Between approx. 220 and approx. 290 °C a range of inconstant endothermic effects were detected. The inconstant endothermic effects could be interpreted as boiling range around 250 °C, very probably under degradation of the sample indicated by the unsteady base line. From approx. 330 °C up to approx. 450 °C a further exothermic effect was visible. After the heating process a brownish residue remained in the crucible which indicates decomposition of the test item.
Reference
From room temperature to 450 °C no definite boiling point could be observed. The inconstant endothermic effects between 220 °C and 290 °C could be interpreted as boiling range around 250 °C, very probably under degradation of the sample indicated by the unsteady base line.
Description of key information
Endothermic effects between 220 °C and 290 °C could be interpreted as a boiling range around 250 °C.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 250 °C
Additional information
From room temperature up to 450 °C no definite boiling point could be observed. The inconstant endothermic effects between 220 °C and 290 °C could be interpreted as boiling range around 250 °C. After the heating process a brownish residue remained in the crucible which indicates decomposition.
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