RD 14153

Surface tension

Link to relevant study record(s)

Reference

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

The study was conducted on 24 February 2016

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)

GLP compliance:

no

Remarks:

This study was not conducted under a specific GLP program, this study was conducted following the principles of GLP by experienced and trained personnel using calibrated standards and instrumentation. Relevant SOPs were followed.

Specific details on test material used for the study:

SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Sponsor Lot/Batch number 3434.15
- Expiration date of the lot/batch:
- Purity test date:

RADIOLABELLING INFORMATION (if applicable)
- Radiochemical purity:
- Specific activity:
- Locations of the label:
- Expiration date of radiochemical substance:

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material:
- Stability under test conditions:
- Solubility and stability of the test substance in the solvent/vehicle:
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium:

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing:
- Preliminary purification step (if any):
- Final dilution of a dissolved solid, stock liquid or gel:
- Final preparation of a solid:

FORM AS APPLIED IN THE TEST (if different from that of starting material)

OTHER SPECIFICS:

Key result

Surface tension:

>= 64.39 mN/m

Temp.:

21 °C

Conc.:

90 vol%

Remarks on result:

other:

Remarks:

90% saturated aqueous solution

The average surface tension of RD14153 was determined to be 64.39 [mN/m].

Method used: Wilhemy Plate method

Type of water or solution used: Dionized water

Precise specification of the substance: RD14156 Amide wax

Individual readings: 64.3463, 64.3707, 64.3707, 64.4195, 64.4195

Arithmetic mean: 64.3853

Corrected mean: N/A

Concentration of the solution: As resulted from sample preparation

Test temperature: 21°C

Age of solution used: 144 hrs.

Description of the time dependence of the measured surface tension after transferring the solution to the measurement vessel: Test completed within 5 minutes of transferring into measurement vessel

Remarks: Clear Solution.

Conclusions:

A surface tension measurement was carried out using methods as set forth under OECD 115 test guidelines when using a Kruss Processor Tensiometer K100. The average surface tension of RD14153 was determined to be 64.39 [mN/m].

Executive summary:

Determine the surface tension of a newly developed rheological additive product called RD14153 for registration purposes.

A surface tension measurement was carried out using methods as set forth under OECD 115 test guidelines when using a Kruss Processor Tensiometer K100. The average surface tension of RD14153 was determined to be 64.39 [mN/m].

Description of key information

Determine the surface tension of a newly developed rheological additive product called RD14153 for registration purposes.

A surface tension measurement was carried out using methods as set forth under OECD 115 test guidelines when using a Kruss Processor Tensiometer K100. The average surface tension of RD14153 was determined to be 64.39 [mN/m].

Key value for chemical safety assessment

Surface tension:

64.39