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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
yes
Remarks:
The balance was not checked before verifying the 500-mg rider during the calibration of the apparatus. As the verification of the accuracy of the balance was made the day before and a few days after and was in compliance with our quality criteria.
GLP compliance:
yes (incl. QA statement)
Type of method:
OECD harmonised ring method

Test material

Constituent 1
Reference substance name:
Ledum palustre, extract
EC Number:
289-997-3
Cas Number:
90063-39-1
Molecular formula:
UVCB substance, not relevant.
IUPAC Name:
Ledum palustre, extract
Test material form:
liquid
Details on test material:
UVCB substance : see composition at section 1

Results and discussion

Surface tension
Key result
Surface tension:
>= 47.3 - <= 49.5 mN/m
Temp.:
20.1 °C
Conc.:
1 g/L
Remarks on result:
other:
Remarks:
The mean surface tension of the test item at 1 g/L in distilled water at 20.0 °C was 48.4 mN/m ± 1.1 mN/m. The test item was considered as surface-active in the experimental conditions used.

Applicant's summary and conclusion

Conclusions:
The mean surface tension of the test item at 1 g/L in distilled water at 20.1 °C was 58.1 mN/m ± 1.0 mN/m.
The test item was considered as surface-active in the experimental conditions used.