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EC number: 247-611-0 | CAS number: 26322-14-5
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- June 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Calculation based on vapour pressure measurements which were carried out in the past.
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- calculation with known data.
- GLP compliance:
- no
- Type of method:
- other: calculation
- Temp.:
- 25 °C
- Vapour pressure:
- < 0.01 Pa
- Remarks on result:
- other: in the range of 1*10-11 to 1*10-16Pa
- Conclusions:
- The vapour pressure of dihexadecyl peroxodicarbonate at 20°C is far below 0.01 Pa.
- Executive summary:
The vapour pressure of dihexadecyl peroxodicarbonate at 20°C is far below 0.01 Pa.
This conclusion is derived from extrapolation from data from experiments from the past.
Reference
Discussion
Three methods are applied to estimate the vapour pressure of Perkadox 24:
1.The ACD/Labs calculation method: Pvap= 8.5*10-12Pa at 25 °C.
2.DSC method: Pvap< 10 Pa at 25 °C.
3.From the relation between vapour pressure and mol weight: Pvapin the range of 1*10-11to 1*10-16Pa at 25 °C.
Based on these three results one can conclude that the vapour pressure of Perkadox 24 at 25°C will most likely be around 1*10-11Pa.
The vapour pressure of Perkadox 24 at 25°C will surely be below 0.01 Pa.
Description of key information
The vapour pressure of dihexadecyl peroxodicarbonate at 20°C is far below 0.01 Pa.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
This is supported by:
26322-14-5, Vapour pressure, Nuysink , 2006, SS
The vapour pressure of dihexadecyl peroxodicarbonate is < 0.1mBar (<10 Pa) at 25°C.
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