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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Boiling point

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Administrative data

Link to relevant study record(s)

Referenceopen allclose all

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1989
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of 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
Atm. press.:
1 Bar
Decomposition:
yes
Decomp. temp.:
>= 700 - <= 900 °C
Remarks on result:
not determinable
Conclusions:
Postassium cyanate decomposes at 700 - 900 °C. Determination of boiling point technically not feasible.
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1997
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of 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
Atm. press.:
1 Bar
Decomposition:
yes
Decomp. temp.:
>= 700 - <= 900 °C
Remarks on result:
not determinable
Conclusions:
Postassium cyanate decomposes at 700 - 900 °C. Determination of boiling point technically not feasible.
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1993
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of 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
Atm. press.:
1 Bar
Decomposition:
yes
Decomp. temp.:
>= 700 - <= 900 °C
Remarks on result:
not determinable
Conclusions:
Postassium cyanate decomposes at 700 - 900 °C. Determination of boiling point technically not feasible.

Description of key information

Postassium cyanate decomposes at 700 - 900 °C. Determination of boiling point technically not feasible.
In addition, determination of boiling point is not required according to Annex VII REACH Regulation if melting point is above 300 °C.

Key value for chemical safety assessment

Additional information

Weight of evidence approach:


3 different handbooks show the same result for the determination of the boiling point, which is regarded as reliable. The substance decomposes at 700 - 900 °C. Determination of a boiling point is technically not feasible.