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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
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-[(8E)-heptadec-8-en-1-yl]-1-(2-hydroxyethyl)-4,5-dihydro-1H-imidazol-1-ium
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.