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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: according to EC Directive 92/69/EEC and Regulation EC/440/2008 guideline methods under GLP conditions
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
GLP compliance:
yes
Type of method:
ring method
Key result
Surface tension:
33.4 mN/m
Temp.:
20 °C
Conc.:
90 vol%
Remarks on result:
other: 90 % saturated solution

Surface Tension Readings at 20°C
Time after Preparation (min) Surface Tension (mN/m)
15 36.0
17 36.1
20 36.0
22 36.1
25 36.0
Mean 36.04
Conclusions:
The surface tension at 20°C of a 90% saturated solution of 2,4,7,9-tetramethyldecane-4,7-diol was determined to be 33.4 mN/m.
Executive summary:

The surface tension at 20°C of a 90% saturated solution of 2,4,7,9-tetramethyldecane-4,7-diol was determined to be 33.4 mN/m.

Description of key information

Determined according to OECD Guideline 115 and EC Directive 92/69/EEC Method A5.
33.4 mN/m at 20° C of a 90% saturated solution.

Key value for chemical safety assessment

Surface tension:
33.4
in mN/m at 20°C and concentration in mg/L:
1.4

Additional information