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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
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:
2008
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

Constituent 1
Chemical structure
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
Constituent 2
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.

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.