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Surface tension

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Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
19 - 20 May 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ASTM D1331 - 11 Standard Test Methods for Surface and Interfacial Tension of Solutions of Surface-Active Agents
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ISO 304 (1985)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Specific details on test material used for the study:
Aspect: colourless to pale yellow
Lot No.: VE00301703
Purity: 99.8%
Surface tension:
50.4 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Remarks on result:
other: The test material is surface active (surface tension < 60 mN/m)
Conclusions:
The surface tension of Hydroxycitronellal was 50.4 mN/m at 20 °C (1.00 g/L). The test item was considered to be surface-active (surface tension < 60 mN/m).
Executive summary:

The surface tension of a solution of Hydroxycitronellal Synthetic in ultrapure water (1.00 g/L) was determined according to OECD Guideline No. 115, using the ring method.

The surface tension of Hydroxycitronellal was 50.4 mN/m at 20 °C (1.00 g/L). The test item was considered to be surface-active (surface tension < 60 mN/m).

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
The study was conducted between 19 and 20 May 2014.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ASTM D1331 - 11 Standard Test Methods for Surface and Interfacial Tension of Solutions of Surface-Active Agents
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ISO 304 (1985)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Specific details on test material used for the study:
Aspect: colourless to rosy brown liquid
Lot No.: VE00304062
Purity: 99.9%
Surface tension:
51.7 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Remarks on result:
other: The test material is surface active (surface tension < 60 mN/m).
Conclusions:
The surface tension of Methyl Anthranilate was 51.7 mN/m at 20 °C (1.00 g/L). The test item was considered to be surface-active (surface tension < 60 mN/m).
Executive summary:

The surface tension of a solution of Methyl Anthranilate Extra in ultrapure water (1.00 g/l) was determined according to OECD Guideline No. 115, using the ring metthod.

The surface tension of Methyl Anthranilate was 51.7 mN/m at 20 °C (1.00 g/L). The test item was considered to be surface-active (surface tension < 60 mN/m).

Description of key information

Not technically feasible for the substance itself as certain adducts will not be stable against hydrolysis. However, waiver not possible as some structures (including Hydroxycitronellal and Methyl Anthranilate) might be expected to have surface activity. Hydroxycitronellal and Methyl Anthranilate were tested and their results used to make an overview assessment of the mixture.

Key value for chemical safety assessment

Additional information

Not technically feasible for the substance itself as certain adducts will not be stable against hydrolysis. However, waiver not possible as some structures (including Hydroxycitronellal and Methyl Anthranilate) might be expected to have surface activity. Hydroxycitronellal and Methyl Anthranilate were tested and their results used to make an overview assessment of the mixture.