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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
1. SOFTWARE
EpiSuite / MPBPWIN

2. MODEL (incl. version number)
EpiSuite 4.1
MPBPWIN version 1.43

3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL
CAS : 16044-24-9

4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL
See attachment

5. APPLICABILITY DOMAIN
See attachment

6. ADEQUACY OF THE RESULT
See attachment
Principles of method if other than guideline:
Calculation of vapour pressure at 20°C modules embedded in MPBWIN v.1.43
MPBPWIN estimates vapor pressure (VP) by three separate methods: (1) the Antoine method, (2) the modified Grain method, and (3) the Mackay method. All three use the normal boiling point to estimate VP. Unless the user enters a boiling point on the data entry screen, MPBPWIN uses the estimated boiling point from the adapted Stein and Brown method.
GLP compliance:
no
Type of method:
other: calculation
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0 hPa
Remarks on result:
other: Modified Grain Method
Conclusions:
The vapour pressure at 20°C calculated according to the Modified Grain Method is 3.69E-13 hPa. The substance virtually has no vapour pressure under ambient conditions. The substance is marketed as aqueous solution and, therefore, water determined the vapour pressure of the product.

Description of key information

The vapour pressure under ambient conditions is negligibly low.

Key value for chemical safety assessment

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

Additional information

The vapour pressure at 20°C calculated according to the Modified Grain Method is 3.69E-13 hPa. The substance virtually has no vapour pressure under ambient conditions. The substance is marketed as aqueous solution and, therefore, water determined the vapour pressure of the product.