Registration Dossier
Registration Dossier
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EC number: 287-390-8 | CAS number: 85507-69-3 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Aloe vera, Liliaceae.
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- April 12 2018 to April 16 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
Test material
- Reference substance name:
- Aloe vera extract
- Cas Number:
- 85507-69-3
- Molecular formula:
- The decolourised extract is a UVCB, therefore it does not have a molecular formula
- IUPAC Name:
- Aloe vera extract
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: AloeCorp Inc, O-8010XQ-80 batch no. G1733B12
- Expiration date of the lot/batch: November 30, 2019
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Stored at room temperature, protected from humidity
- Stability under test conditions: Stable
- Solubility and stability of the test substance in the solvent/vehicle: soluble in water and expected to be stable for the duration of the test
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium: None expected with timeframe of test
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: None
- Preliminary purification step (if any): None
- Final dilution of a dissolved solid, stock liquid or gel: 0.1 g dissolved in 100 ml distilled water
FORM AS APPLIED IN THE TEST (if different from that of starting material)
TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable)
OTHER SPECIFICS:
Results and discussion
Surface tension
- Surface tension:
- >= 63.2 - <= 63.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Table 1
Calibration in water |
||
Reading number |
Temperature (°C) |
Measured Surface Tension [mN/m] |
1 |
20 |
72.5 |
2 |
20 |
72.8 |
3 |
20 |
72.6 |
Mean |
20 |
72.6 |
SD |
0 |
0.2 |
Table 2: Surface Tension Results - details
Reading Number |
Repetition 1 |
Repetition 2 |
Repetition 3 |
|||
Temperature (°C) |
Measured Surface Tension (mN/m) |
Temperature (°C) |
Measured Surface Tension (mN/m) |
Temperature (°C) |
Measured Surface Tension (mN/m) |
|
1 |
20 |
63.2 |
20 |
63.2 |
20 |
63.2 |
2 |
20 |
63.8 |
20 |
63.8 |
20 |
63.0 |
3 |
20 |
63.5 |
20 |
63.5 |
20 |
63.5 |
Average |
20 |
63.5 |
20 |
63.6 |
20 |
63.2 |
Standard Deviation |
0 |
0.3 |
0 |
0.3 |
0 |
0.3 |
Applicant's summary and conclusion
- Conclusions:
- The mean surface tension of the substance aloe vera extract is within the range 63.2-63.6 mN/m. Based on this result, it is considered that the test substance is not surface active.
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