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EC number: 209-676-3 | CAS number: 590-28-3
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1989
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: old handbook data
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Handbook data only. No guideline or method indicated.
- GLP compliance:
- not specified
- Type of method:
- other: no data
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Bar
- Conclusions:
- Old handbook data gives a vapour pressure of potassium cyanate of 0 bar at 20 °C.
- Endpoint:
- vapour pressure
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Study period:
- 2008
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Expert Statement based on calculations by EPIWIN
- GLP compliance:
- not specified
- Type of method:
- other: Calculation with EPIWIN
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Conclusions:
- In accordance with REACh Regulation Annex VII, a study for determination of the vapour pressure need not be to conducted if the melting point is above 300 °C. Potassium cyanate has a melting point of 315 °C.
For potassium cyanate the vapour pressure was calculated to be 2.91 E-7 Pa at 25 °C. - Executive summary:
In accordance with REACh Regulation Annex VII, a study for determination of the vapour pressure need not be to conducted if the melting point is above 300 °C. Potassium cyanate has a melting point of 315 °C.
For potassium cyanate the vapour pressure was calculated to be 2.91 E-7 Pa at 25 °C.
Referenceopen allclose all
Description of key information
In accordance with REACh Regulation Annex VII, a study for determination of the vapour pressure need not be to conducted if the melting point is above 300 °C. Potassium cyanate has a melting point of 315 °C.
For potassium cyanate the vapour pressure was calculated to be 2.91 E-7 Pa at 25 °C.
Old handbook data gives a vapour pressure of potassium cyanate of 0 bar at 20 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 298.15 K
Additional information
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