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Vapour pressure

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Description of key information

QSAR results have shown that substances in the lithium salts of monocarboxylic acids C14 - C22 category have predicted vapour pressures in the range of 3.88 E-09 Pa to 2.14 E-14 Pa.

Key value for chemical safety assessment

Additional information

In accordance with REACH Regulation Annex XI, studies on vapour pressure do not need to be conducted as measurement is technically not feasible. Standard test methods, according to OECD guideline 104, are able to measure vapour pressure from 10 E-10 Pa to 10 E+05 Pa. Predicted vapour pressures for the substances in the lithium salts of monocarboxylic acids C14-C22 category are around or below 10 E-10 Pa. In order to support the QSAR predictions and confirm the feasibility of testing, a vapour pressure study is currently being conducted on lithium myristate (Covance 2020).