Registration Dossier

Physical & Chemical properties

Surface tension

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
21 April 2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
saturated solution evaluated vs 90% saturated.
Qualifier:
no guideline followed
Principles of method if other than guideline:
ring method
GLP compliance:
no
Type of method:
ring method
Surface tension:
29.3 other: dyne/cm
Temp.:
20 °C
Conc.:
1 000 mg/L
Remarks on result:
other:
Remarks:
Temperature not indicated, presumed ca. 20 °C; Also, saturated solution used vs. 90% saturated.

Surface Tension Results

Material

Batch

Concentration

(% w/v in DI water)

Reading 1

Dyne/cm

Reading 2 Dyne/cm

Reading 3 Dyne/cm

Reading 4 Dyne/cm

Average

Surface Tension (Dyne/cm)

Deionised

water

N/A

N/A

72.2

72.5

-

-

72.41

Test Item

940291

0.5

0.1

-

30.1

-

29.5

-

28.7

-

28.7

-

29.3

1 Reference measurement withn tolerance (72 minimum)

Note: Temperature is not indicated for surface tension measurement. Ambient temperature is presumed to be 20 deg C.

Description of key information

Surface tension is 29.3 dyne/cm (mN/m) at 0.1% w/v (no guideline, ring method).

Key value for chemical safety assessment

Surface tension:
29.3
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

Ambient temperature is presumed to be 20 deg C, but is not indicated in report.

Saturated solution evaluated instead of 90% saturated.