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EC number: 700-320-7 | CAS number: 18916-17-1
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008-07-28 to 2008-07-30
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP, guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- , 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- , 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed 2006-06-01
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- 1-(4-{[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-2,6-dihydroxyphenyl)-3-(4-hydroxyphenyl)propan-1-one
- EC Number:
- 700-320-7
- Cas Number:
- 18916-17-1
- Molecular formula:
- C27H34O14
- IUPAC Name:
- 1-(4-{[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}oxan-2-yl]oxy}-2,6-dihydroxyphenyl)-3-(4-hydroxyphenyl)propan-1-one
- Reference substance name:
- 1-[4-[[2-O-(6-Deoxy-L-mannopyranosyl)-D-glucopyranosyl]oxy]-2,6-dihdroxyphenyl]-3(4-hydroxyphenyl)-1-propanone
- IUPAC Name:
- 1-[4-[[2-O-(6-Deoxy-L-mannopyranosyl)-D-glucopyranosyl]oxy]-2,6-dihdroxyphenyl]-3(4-hydroxyphenyl)-1-propanone
- Details on test material:
- - Name of test material (as cited in study report): Naringin dihydrochalcone (DHC)
- Substance type: technical product
- Physical state: whitish powder
- Storage condition of test material: room temperature, protected from moisture and light
No further details are given.
Constituent 1
Constituent 2
Results and discussion
Surface tension
- Surface tension:
- 65.65 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturated solution
Any other information on results incl. tables
Table 1: Measured surface tension and temperature
Measurement No.* |
Time** (minutes) |
Surface tension (mN/m) |
Temperature (°C) |
1 |
6.6 |
65.69 |
20.0 |
2 |
7.3 |
65.67 |
20.0 |
3 |
8.1 |
65.64 |
20.0 |
4 |
8.9 |
65.65 |
20.0 |
5 |
9.6 |
65.65 |
20.0 |
6 |
10.4 |
65.65 |
20.0 |
7 |
11.2 |
65.65 |
20.0 |
8 |
11.9 |
65.65 |
20.1 |
9 |
12.7 |
65.62 |
20.1 |
10 |
13.5 |
65.63 |
20.1 |
Mean |
- |
65.65 |
20.03 |
SD |
- |
0.02 |
0.05 |
* last 10 measurements; ** time from transfer of the test solution into the vessel till end of each measurement
Applicant's summary and conclusion
- Conclusions:
- The surface tension of a 90% saturated aqueous solution of the test item was determined to be 65.65 mN/m. Due to the fact that the surface tension is > 60mN/m, the test item has no surface-active properties.
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