Registration Dossier
Registration Dossier
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EC number: 692-731-2 | CAS number: 76950-43-1
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 Feb-15 Apr 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- GLP Compliance Monitoring Program, Health Care Inspectorate, Ministry of Health, Welfare and Sport, Den Haag, The Netherlands
- Type of method:
- differential scanning calorimetry
- Boiling pt.:
- 280 °C
- Atm. press.:
- 1 015 hPa
- Decomposition:
- no
Reference
Preliminary test
Starting at 200 °C, the weight of the sample decreased significantly. At 269 °C the sample weight had decreased by 25%.
Main study
Experiment 1: An endothermic peak was observed starting approximately at 225 °C. It was considered that the effect was caused by the evaporation of the test substance. After the experiment a molten residue remained in the sample container.
Experiment 2: The extrapolated onset temperature of the observed endothermic peak was 279.89 °C. The effect was most likely caused by the evaporation of the test substance. After the experiment it was observed that no test substance was present in the sample container.
Experiment 3: An endothermic peak was observed between 200 °C and 325 °C with an extrapolated onset temperature of 279.57 °C. It was considered that this effect was caused by evaporation of the test substance. After the experiment it was observed that no test substance was present in the sample container.
Experiment 4: To investigate the evaporation peek, a hermetic sealed sample pan was used. The extrapolated onset temperature of the evaporation peak was 320.04 °C. Since the endothermic peak shifted to a higher temperature, it demonstrated that the endothermic effect was caused by evaporation of the test substance. After the experiment it was observed that no test substance was present in the sample container.
The boiling temperature was determined as the (rounded up) average boiling temperature obtained from experiments 2 and 3.
Description of key information
280 °C at 1015 hPa (EU A.2, OECD 103, OPPTS 830.7220; DSC method)
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 280 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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