Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
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:
- plate method
Test material
- Reference substance name:
- Docosan-1-ol, icosan-1-ol, octadecan-1-ol and their reaction products with betaine and ethanesulphonic acid
- IUPAC Name:
- Docosan-1-ol, icosan-1-ol, octadecan-1-ol and their reaction products with betaine and ethanesulphonic acid
- Test material form:
- solid: bulk
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- > 60 mN/m
- Temp.:
- 20 °C
- Conc.:
- 38.03 mg/L
Applicant's summary and conclusion
- Conclusions:
- The test item is considered as not surface active in a concentration of 38.03mg/L
- Executive summary:
At the plateau (second measurement series), the values of the single determinations show no significant difference (less than 5 %, 1.15%) between mean values of the two-measurement series, second and third measurement series).
All measured values are higher than 60 mN/m, the measured values at the plateau lay above the threshold for surface tension which is stated in the guidelines.
The surface tension of the negative control was determined with a difference of 0.44 % from the stated literature value.
Therefore, the result of the test is considered valid and the test item Commercial name: CosmeGreen ES1822+Substance name: Reaction mass between glycine betaine,
ethanesulphonic acid, octadecan-1-ol, docosan-1-ol and eicosan-1-ol is classified as
“not surface active” in a concentration of 38.03 mg/L
(in a solution of 90% saturated solution obtained from an aqueous solution prepared by shaking 1.00g/L of test item for 24 hours and 5 minutes).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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