Registration Dossier
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EC number: 303-773-5 | CAS number: 94213-67-9
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
vapor pressure at 20°C: <= 0.0046 Pa
vapor pressure at 50°C: <= 0.2 Pa
Key value for chemical safety assessment
- Vapour pressure:
- 0.005 Pa
- at the temperature of:
- 20 °C
Additional information
In the Klimisch 2 non-GLP study from Kintrup (2016) the vapour pressure ofDisodium (Z)-1-(octadec-9-enyl) 2- sulphonatosuccinatewas calculated using the melting and boiling point.An estimation procedure in accordance with the test method OECD Guideline 104 “OECD Guideline For The Testing Of Chemicals, adopted by the Council on 23 March 2006, Vapour Pressure” ANNEX Estimation Method newest version (Robert S. Boethling, Donald Mackay, Handbook of Property Estimation Methods for Chemicals, Lewis Publishers, year of publication 2000, Cap. 3 - Vapour Pressure, Grain-Watson Method, p. 53 – 65) was used. This method is applied for vapour pressures between 10^3 to 10^-7 mbar. This deviates from the older version published in OECD Guideline 104. It was used due to the differentiation between solids and liquids, which results in a more precise estimate.
Using a melting point of 264°C and a boiling point of 255°C resulted in a finding that Disodium (Z)-1-(octadec-9-enyl) 2- sulphonatosuccinatehas a vapour pressure of ≤ 0.0046 Pa at 20 °C according to the definition in the OECD Guideline 104 (Grain-Watson estimation).
This value is considered reliable for the further risk assessment.
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