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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

61.3-61.5mN/m at 20C (1g/l)

Key value for chemical safety assessment

Surface tension:
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

In a guideline study, the a substance that was predominantly a mixture of triethylene glycol butyl ether and tetraethylene glycol butyl ether was not found to be surface active. This UVCB substance has an identity ("ethanol, 2-butoxy-, manufacture of, by-products from") that overlaps considerably with the one that is the subject of this registration ("Poly(oxy-1,2-ethanediyl), α-butyl-ω-hydroxy") such that it can be considered an alternative descriptor. This value can therefore be considered valid for use with this substance. A solution of 1g/l in water produced a surface tension of 61.4mN/m at 20C.