Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Reputable handbook of values for physical - chemical properties. Limited data is provided on methodology. Klimisch 2.

Data source

Reference
Reference Type:
review article or handbook
Title:
Cyano compounds, inorganic
Author:
Gail E, Gos S, Kulzer R, Lorösach J, Rubo A, Sauer M.
Year:
2000
Bibliographic source:
Ullmannn's Encyclopedia of Industrial Chemistry, Sixth Edition, VCH-Verlag, Weinheim, Germany, pp 159-189

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
This data is obtained from a reputable handbook of values for physical - chemical properties. Methodology was not specified, but it is assumed to be based on methods found in existing guidelines. Current experience with handling this substance indicates that this data is valid.
Type of method:
other: Handbook data; method not described

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
ca. 830 hPa

Applicant's summary and conclusion

Conclusions:
According to Ullmann's Encyclopedia of Industrial Chemisty, the vapour pressure of HCN is 830 hPa at 20°C.