Registration Dossier
Registration Dossier
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EC number: 204-234-6 | CAS number: 118-10-5
Boiling point
Administrative data
Link to relevant study record(s)
Description of key information
The predicted boiling point of cinchonine is in the range from 407 - 465°C.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 432 °C
Additional information
The predicted boiling point of 426.98°C is based on the adapted Stein and Brown method, by Epi Suite v4.11. The estimation by calculation of the boiling point given by the ChemSpider database is 464.5°C. And the calculation of the Marrero and Gani model, using ChemProp, resulted in a boiling point of 407°C. The predicted boiling point of cinchonine is in the range from 407 - 465°C. For the boiling point a mean value (432°C) is assumed. Since the boiling point has not been measured, it is not possible to evaluate the estimation by calculation. Furthermore, in the study published by Dobbie, 1879 cinchonine was heated in a capillary tube in a paraffin bath and decomposed at 256 -257 °C. Thus, it is possible that cinchonine decomposed before reaching the boiling point. This is an indication, that there are no experimental studies on the boiling point.
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