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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2011
Reliability:
1 (reliable without restriction)
Justification for type of information:
The surface tension of the test substance was determined using the OECD harmonized ring method.
The system consists of the following elements: model K6 tensiometer (Krüss, Hamburg, Germany),
platinum-iridium ring with a wire radius of 0.185 mm and a ring radius of 9.545 mm and a cylindrical
glass vessel with an inside diameter of 45 mm.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
GLP compliance:
yes (incl. QA statement)
Type of method:
OECD harmonised ring method

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrahydrocyclopenta[c]pyrrole-1,3(2H,3aH)-dione
EC Number:
227-285-6
EC Name:
Tetrahydrocyclopenta[c]pyrrole-1,3(2H,3aH)-dione
Cas Number:
5763-44-0
Molecular formula:
C7H9NO2
IUPAC Name:
4,5,6,6a-tetrahydro-3aH-cyclopenta[c]pyrrole-1,3-dione
Test material form:
solid: flakes

Results and discussion

Surface tension
Key result
Surface tension:
ca. 71.9 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Applicant's summary and conclusion

Conclusions:
The surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was 71.9 mN/m.
According to this, the test substance is considered not to be surface active