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Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
GLP compliance:
yes
Type of method:
OECD harmonised ring method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- batch No.of test material: 62630034
- Expiration date of the lot/batch: 17.01.2007
- Purity: 96.6 %

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: At room temperature in the dark
Key result
Surface tension:
68.9 mN/m
Temp.:
20.1 °C
Conc.:
90 vol%
Conclusions:
The surface tension of an aqueous test substance solution at a 90% saturated concentration and at a temperature of 20.1°C is 68.9 mN/m.
Based on the criteria as outlined in the guideline, Phytosphingosine is not surface active.
Executive summary:

The determination of the surface tension of an aqueous test substance solution was performed in accordance with the EEC -Directive 92/69 EEC, A.5 "Surface tension" (1992) and OECD guideline no. 115: "Surface tension of aqueous solutions" (1995).

The surface tension of an aqueous test substance solution at a 90% saturated concentration and at a temperature of 20.1°C is 68.9 mN/m.

Based on the criteria as outlined in the EEC guideline, Phytosphingosine is not surface active.

Description of key information

The surface tension of an aqueous test substance solution at a 90% saturated concentration and at a temperature of 20.1°C is 68.9 mN/m.

Based on the criteria as outlined in the guideline, Phytosphingosine is not surface active.

Key value for chemical safety assessment

Surface tension:
68.9

Additional information