Registration Dossier
Registration Dossier
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EC number: 232-373-2 | CAS number: 8009-03-8 A complex combination of hydrocarbons obtained as a semi-solid from dewaxing paraffinic residual oil. It consists predominantly of saturated crystalline and liquid hydrocarbons having carbon numbers predominantly greater than C25.
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
The hydrocarbon components of petrolatums have negligible vapour pressures at ambient temperatures and hence, volatility is not a significant fate process for these petroleum substances (CONCAWE, 2001).
Key value for chemical safety assessment
Additional information
All the materials in the category are solid or semi-solid at room temperature. Any vapour pressure attributable to these materials would be from the oil component of the material (if it is present). A lower and upper value of 0 to 20 Pa @ 80°C was reported for hydrocarbon waxes as a group (European Wax Federation, 1990). However, no further information was provided as to whether the upper limit was obtained for a paraffin wax, microcrystalline wax, petrolatum, or slack wax. The petroleum oxidate is reported to have vapour pressure less than 1Pa at 25°C.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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