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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
October 2021
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2021
Report date:
2021

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ISO 19403-3
Version / remarks:
Determination of the durface tension of liquids using the pendant drop method
GLP compliance:
no
Type of method:
other: pendant drop method

Test material

Constituent 1
Reference substance name:
Sophorolipids: fermentation products of glucose and fatty acids, C18 (unsaturated), glycerol esters with yeast Starmerella bombicola, partially hydrolysed, sodium salts
IUPAC Name:
Sophorolipids: fermentation products of glucose and fatty acids, C18 (unsaturated), glycerol esters with yeast Starmerella bombicola, partially hydrolysed, sodium salts

Results and discussion

Surface tensionopen allclose all
Surface tension:
>= 0.01 - <= 0.02 other: w% CMC
Temp.:
23 °C
Remarks on result:
other: CMC result only
Key result
Surface tension:
>= 34 - <= 34.5 mN/m
Temp.:
24 °C
Conc.:
0.02 other: w%

Applicant's summary and conclusion