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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Surface tension

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
surface tension
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because based on structure, surface activity is not expected or cannot be predicted
the study does not need to be conducted because surface activity is not a desired property of the material

Description of key information

The study does not need to be conducted because, based on structure, surface activity is not expected or cannot be predicted and surface activity is not a desired property of the material.

Key value for chemical safety assessment

Additional information

Supporting studies are available for n-hexane and structural analogues, Hydrocarbons, C5-C7, n-alkanes, isoalkanes, n-hexane rich; Hydrocarbons, C6, n-alkanes, isoalkanes, cyclics, n-hexane rich; and isohexane. A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.

The surface tension of n-hexane was 17.89 mN/m at 25 ⁰C (Lide, 2008).

The surface tension of Hydrocarbons, C5 -C7, n-alkanes, isoalkanes, n-hexane rich was 20.4 mN/m at 25 ⁰C (Sasol, 2010).

The surface tension of Hydrocarbons, C6, n-alkanes, isoalkanes, cyclics, n-hexane rich was 19 mN/m at 25 ⁰C (Exxon Mobil, 2010).

The surface tension of Isohexane was 18.2 mN/m at 25 ⁰C (Exxon Mobil, 2010) and 16.88 at 25 ⁰C (Lide, 2008).