Registration Dossier
Registration Dossier
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EC number: 229-176-9 | CAS number: 6422-86-2
Surface tension
Administrative data
Link to relevant study record(s)
- 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%
- Conclusions:
- The surface tension of DOTP was determined to be 32.7 +/- 1 mN/m at 22 ⁰C.
Reference
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).
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
Additional information
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