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EC number: 440-930-8 | CAS number: 330198-48-6
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- October 01, 2001 till October 02, 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study according to OECD Guideline 115 (Surface Tension of Aqueous Solutions) under GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- -
- EC Number:
- 440-930-8
- EC Name:
- -
- Cas Number:
- 330198-48-6
- Molecular formula:
- C19H28N2O3 / C21H32N2O3 / C23H36N2O3 / C29H50N2O4 / C31H54N2O4 / C33H58N2O4 / C35H62N2O4 / C37H66N2O4
- IUPAC Name:
- Condensation products of 4-methyl-m-phenylene diisocyanate with alcohols, C10-14 (even numbered)
- Details on test material:
- Identity: ZP-TIX 1014
Batch: NW-01-028
Purity > 99%,
Appearance: Solid
Expiration date: 30.12.2001
Storage: At room temperature at about 20°C
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- ca. 68.5 mN/m
- Temp.:
- 20.3 °C
- Conc.:
- 90 other: of saturation concentration
Any other information on results incl. tables
The calibration factor was determined to be 1.007 for double destilled water.
The following table show the individual measurements for the surface tension of the aqueous test item solution. From these, the mean and the corrected value for the given solution were calculated and given in the same table.
Time expired [hours:min] |
Temperature [°C] |
Surface tension [mN/m] |
|||
measured |
mean value calculated from the bold values
(δ*) |
corrected for calibration and for Harkins- Jordan
(δ) |
|||
First sample |
|
||||
00:01 |
19.9 |
68.4 |
68.22 |
68.42 |
|
00:03 |
20.0 |
68.6 |
|||
00:05 |
20.1 |
68.1 |
|||
00:06 |
20.1 |
69.0 |
|||
00:07 |
20.1 |
68.6 |
|||
Second sample |
|
||||
00:10 |
20.5 |
68.1 |
|||
00:11 |
20.5 |
67.6 |
|||
00:12 |
20.5 |
67.9 |
|||
00:14 |
20.5 |
68.3 |
|||
00:15 |
20.6 |
67.8 |
|||
00:16 |
20.6 |
67.9 |
|||
with
δ*. ΦbFc=δ(68.22.1.007.0.996 = 68.42) |
Φb= calibration factor = 1.007 |
Fc= factor for correction acc. to Harkins-Jordan = 0.996 for 68 mN/m |
Applicant's summary and conclusion
- Conclusions:
- The surface tension of ZP-TIX 1014 in water (90 % of saturation concentration) was determined to be 68.5 mN/m at 20.3 +/- 0.4 °C. Based on the citeria as outlined by OECD Guideline, ZP-TIX 1014 is not a surface active substance.
- Executive summary:
The determination of the surface tension of an aqueous solution of ZP-TIX 1014 was based on the OECD Guideline No. 115: Surface Tension of Aqueous Solutions) EEC Directive 92/69, Part A, Methods for the determination of physico-chemical properties, A.5 "Surface tension", EEC Publications No. L383, December 1992.
The surface tension of ZP-TIX 1014 in water (90 % of saturation concentration) was determined to be 68.5 mN/m at 20.3 +/- 0.4 °C. Based on the citeria as outlined by OECD Guideline, ZP-TIX 1014 is not a surface active substance.
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