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Physical & Chemical properties

Surface tension

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From October 2008 to July 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study was conducted according to OECD Guideline 115 (Surface Tension of Aqueous Solutions).
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
no
Type of method:
plate method
Key result
Surface tension:
ca. 27.7 mN/m
Temp.:
24.5 °C
Conc.:
0.848 other: mg/mL

w (g) v (ml) wt (g) ppm SFT (mN/m)
0,330396 21 22 6 58,48
0,330396 21 22 6 58,38
0,661683 18 20 13 52,7
0,661683 18 20 13 52,45
0,661683 18 20 13 52,57
1,657029 20 25 27 44,79
1,657029 20 25 27 44,2
1,657029 20 25 27 44,21
3,332439 15 25 54 36,05
3,332439 15 25 54 35,93
3,332439 10 20 67 34,2
3,332439 10 20 67 34,24
0,084645 1000 1000 85 33,76
0,084645 1000 1000 85 33,29
0,013464 100 100 134 31,64
0,013464 100 100 134 31,28
Conclusions:
The surface tension of amides, C8 -18 and C18 -unsatd., N,N-bis(hydroxyethyl) was determined to be 27.7 mN/m at 24.5 ºC.
Executive summary:

According to the OECD Guideline 115 method, the surface tension of amides, C8-18 and C18-unsatd., N,N-bis(hydroxyethyl) was determined to be 27.7 mN/m at 24.5 ºC and 0.8475 mg/mL of the sample concentration.

Description of key information

The surface tension was determined using the plate method according to OECD Guideline 115 (Carrillo, 2009).

Key value for chemical safety assessment

Surface tension:
27.7
in mN/m at 20°C and concentration in mg/L:
0.848

Additional information