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:
- From February 28, 2019 to April 17, 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: HJ/T 153-2004 "The Guidelines for the Testing of chemicals. Physical-Chemical Properties and Physical Hazards(second edition", No.115
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- Sulfonic Acids, C18-alkane hydroxyl and C18-alkene, potassium salts
- Cas Number:
- 2210238-56-3
- IUPAC Name:
- Sulfonic Acids, C18-alkane hydroxyl and C18-alkene, potassium salts
- Test material form:
- solid
- Remarks:
- Color: White to pale yellow This sample was obtained from the original liquid form by removing water.
Constituent 1
- Specific details on test material used for the study:
- -Storage conditions
Store container tightly closed in well-ventilated place. Store in corrosive resistant container with a resistant inliner. Store locked up. Don't store with acids.
-Test item stability under storage conditions
Stable in container after opening. Stable in water and in light. Stability in soil is not applicable.
Results and discussion
Surface tension
- Key result
- Surface tension:
- 34.318 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1.002 g/L
Any other information on results incl. tables
The Surface Tension of aqueous solution of C18K (1.0016 g/L) was 34.318 mN/m. The raw data were listed Table 1.
Table 1 The Surface Tension data of aqueous solution of C18K (1.0016g/L).
Substance | Measured value of the surface tension / mN/m | The calibration factor (φb) | The surface tension after calibration / mN/m | |||
1 | 2 | 3 | Mean | |||
Pure water | 72.380 | 72.103 | 72.354 | 72.279 | 1.007 | - |
Sample solution | 34.099 | 34.083 | 34.106 | 34.096 | 34.318 | |
Applicant's summary and conclusion
- Conclusions:
- The Surface Tension of aqueous solution of the registered substance (1.0016 g/L) was determined to be 34.318 mN/m at 20ºC, by Du Nouy Ring method.
- Executive summary:
-Objective
The Surface Tension of C18K was determined for supplying data for the environmental assessment.
-Test guideline
HJ/T 153-2004 "The Guidelines for the Testing of chemicals. Physical-Chemical Properties and Physical Hazards(second edition", No.115
-Test method
Du Nouy Ring method.
-Results
The Surface Tension of aqueous solution of C18K (1.0016 g/L) at 20ºC was determined to 34.318 mN/m by Du Nouy Ring method.
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