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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Principles of method if other than guideline:
Equipment validation with known substance Decamethylcyclopentasiloxane, CAS 540-97-6 in pressure range of 10 - 40 mbar.
GLP compliance:
no
Type of method:
static method
Specific details on test material used for the study:
Batch number:
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0.07 mBar
Key result
Test no.:
#2
Temp.:
50 °C
Vapour pressure:
0.8 mBar
Test no.:
#3
Temp.:
100 °C
Vapour pressure:
17 mBar
Test no.:
#4
Temp.:
198 °C
Vapour pressure:
1 013 mBar
Key result
Vapour pressure:
0.8 mBar
Key result
Transition / decomposition:
yes
Transition temp.:
198 °C
Remarks on result:
other: boiling
Conclusions:
The substance has a vapor pressure of 7 Pa at 20°C

Description of key information

The substance has a vapor pressure of 7 Pa at 20°C

Key value for chemical safety assessment

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

Additional information