Registration Dossier

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
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 guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
GLP compliance:
no
Type of method:
ring method

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2-carboxylatoethyl)-2-(heptadec-8-enyl)-4,5-dihydro-1-(2-hydroxyethyl)-1H-imidazolium
EC Number:
267-569-7
EC Name:
1-(2-carboxylatoethyl)-2-(heptadec-8-enyl)-4,5-dihydro-1-(2-hydroxyethyl)-1H-imidazolium
Cas Number:
67892-37-9
Molecular formula:
C25H46N2O3
IUPAC Name:
1-(2-carboxylatoethyl)-2-(heptadec-8-enyl)-4,5-dihydro-1-(2-hydroxyethyl)-1H-imidazolium
Test material form:
liquid
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Batch No. 70921
- Expiration date of the lot/batch: 2018-09-21
- Purity test date: 28 % Main component; 5 % Ethylene glycol; 67 % Water

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Dry and dark at ambient temperature (10 – 30 °C)

Results and discussion

Surface tension
Key result
Surface tension:
ca. 35.3 mN/m
Temp.:
20 °C
Conc.:
1.02 g/L

Applicant's summary and conclusion

Conclusions:
According to OECD Test Guideline 115 and Regulation EC No. 440/2008 Part A Method A.5. the surface tension at 20 °C of the test item 1-(2-carboxylatoethyl)-2-(heptadec-8-enyl)-4,5-dihydro-1-(2-hydroxyethyl)-1H-imidazoliu (aq. solution) was determined to be 35.3 mN/m. According to Regulation EC No. 440/2008 Part A Method A.5. the test item is to be regarded as surface active material.