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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Vapour pressure

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Qualifier:
no guideline followed
Principles of method if other than guideline:
The vapour pressure of the test material was determined at room temperature, reported was a temperature of 20 °C. No further details about the methods used have been specified in this review.
GLP compliance:
no
Type of method:
other: no data available
Key result
Temp.:
20 °C
Vapour pressure:
0 mm Hg
Key result
Temp.:
20 °C
Vapour pressure:
0 Pa
Conclusions:
The vapour pressure of methylphosphonic acid was reported to be 2.6664477E-4 Pa.

Description of key information

The vapour pressure of the test substance was determined to 0.00026664477 Pa at 20 °C.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
20 °C

Additional information