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Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
May 2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Analysis was performed using a documented method in accordance with REACH Annex XI.
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
no
Type of method:
ring method
Surface tension:
25.5 mN/m
Temp.:
22 °C
Conc.:
100 vol%

RESULTS/CONCLUSION

 

The surface tension of MIAK was determined to be 25.5 +/- 1 mN/m at 22 °C.

The raw surface tension data are reported in Table VIII-1.

 

Table VIII-1. Raw Surface Tension data

Run     Raw surface tension

1                           28.2

2               28.7

3                 28.6

Avg.               28.5

 

Table VIII-2. Toluene Surface Tension data (Reference VIII-1)

 Temp, ⁰C     Surface Tension, mN/m

4.7                       30.11 +/- 0.05

14.66                   28.93 +/- 0.03

24.67                   27.76 +/- 0.05

29.68                   27.17 +/- 0.05

34.71                   26.60 +/- 0.05

39.72                   26.03 +/- 0.03

44.71                   25.46 +/- 0.04

54.73                   24.29 +/- 0.04

64.73                   23.22 +/- 0.10

 

REFERENCES

VIII-1. H. Kahl, T. Wadewitz, and J. Winkelmann, "Surface Tension of Pure Liquids and Binary Liquid Mixtures", J Chem Eng Data, Vol. 48, pp. 580-586 (2003).

Executive summary:

The surface tension of MIAK was determined to be 25.5 +/- 1 mN/m at 22 °C.

Description of key information

The surface tension of 5 -methylhexan-2 -one was determined to be 25.5 +/- 1 mN/m at 22 °C.

Key value for chemical safety assessment

Surface tension:
25.5

Additional information

The key value given above has not been determined at 20 °C but at 22 °C. However, this subtle distinction is not expected to have a significant impact and the value was therefore inserted above.

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