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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
May 4th -June 14th, 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
27 July 1995
Deviations:
no
GLP compliance:
no
Type of method:
OECD harmonised ring method

Test material

Constituent 1
Reference substance name:
[ω-hydroxy-C16 (saturated and unsaturated) and C16 (unsaturated)] fatty acids
EC Number:
946-968-6
IUPAC Name:
[ω-hydroxy-C16 (saturated and unsaturated) and C16 (unsaturated)] fatty acids
Test material form:
semi-solid (amorphous): gel
Details on test material:
Identification: [ω-hydroxy-C16 (saturated and unsaturated) and C16 (unsaturated)] fatty acids
Appearance: Brown semi-solid gel (at 20°C)

Results and discussion

Surface tension
Key result
Surface tension:
29.7 mN/m
Temp.:
25 °C
Conc.:
0.01 vol%

Applicant's summary and conclusion

Conclusions:
The surface tension of an aqueous solution of the substance was determined to be 29.7 mN/m (at 25°C).
Executive summary:

Using the OECD harmonized ring method in a non-GLP study according to OECD 115, the surface tension of an aqueous solution of the substance was determined to be 29.7 mN/m (at 25°C). According to the EC A.5 guideline the substance is considered to be surface active.