Bis(2-ethylhexyl) terephthalate

Surface tension

Link to relevant study record(s)

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:

guideline study with acceptable restrictions

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

Deviations:

no

GLP compliance:

no

Type of method:

ring method

Key result

Surface tension:

32.7 mN/m

Temp.:

22 °C

Conc.:

100 vol%

RESULTS/CONCLUSION

 

The surface tension of DOTP was determined to be 32.7 +/- 1 mN/m at 22 ⁰C.

 

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

 

Table VIII-1. Raw Surface Tension data

 

Run     Raw surface tension

1     36.4                 

2 36.4                    

3 36.8

Avg.         36.5

 

 

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).

 

 

 

Conclusions:

The surface tension of DOTP was determined to be 32.7 +/- 1 mN/m at 22 ⁰C.

Description of key information

The surface tension of DOTP was determined to be 32.7 +/- 1 mN/m at 22 ⁰C.

Key value for chemical safety assessment

Surface tension:

32.7

in mN/m at 20°C and concentration in mg/L:

100