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EC number: 451-190-0 | CAS number: 156558-98-4
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 September 2002 to 19 September 2002
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study performed in accordance with OECD & EU test guidelines in compliance with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 72.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Conclusions:
- In conclusion, the surface tension of a 90% saturated solution of Hatcol 3331 in water is 72.6 mN/m. Based on the criteria as outlined in the guideline, it is concluded that Hatcol 3331 should not be regarded as a surface active material.
- Executive summary:
The determination of the surface tension of an aqueous solution of HATCOL 3331 was based on EEC-Directive 92/69 EEC, A.5 "Surface tension" (1992) and OECD guideline no. 115: "Surface tension of aqueous solutions", July 27, 1995.
The surface tension of an aqueous solution of Hatcol 3331 at a 90% saturated concentration was 72.6 mN/m. Temperature of measurement was 20.0 ± 0.5°C.
Based on the criteria as outlined in the guideline, it is concluded that Hatcol 3331 should not be regarded as a surface active material.
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 September 2002 to 19 September 2002
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study performed in accordance with OECD & EU test guidelines in compliance with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 55.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Conclusions:
- In conclusion, the surface tension of a 90% saturated solution of Hatcol 3344 in water is 55.5 mN/m. Based on the criteria as outlined in the guideline, it is concluded that Hatcol 3344 should be regarded as a surface active material.
- Executive summary:
The determination of the surface tension of an aqueous solution of HATCOL 3344 was based on EEC-Directive 92/69 EEC, A.5 "Surface tension" (1992) and OECD guideline no. 115: "Surface tension of aqueous solutions", July 27, 1995.
The surface tension of an aqueous solution of Hatcol 3344 at a 90% saturated concentration was 55.5 mN/m. Temperature of measurement was 20.0 ± 0.5°C.
Based on the criteria as outlined in the guideline, it is concluded that Hatcol 3344 should be regarded as a surface active material.
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 September 2002 to 19 September 2002
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study performed in accordance with OECD & EU test guidelines in compliance with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 53.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Conclusions:
- In conclusion the surface tension of a 90% saturated solution of Hatcol 5236 in water is 53.6 mN/m. Based on the criteria as outlined in the guideline, it Is concluded that Hatcol 5236 should be regarded as a surface active material.
- Executive summary:
The determination of the surface tension of an aqueous solution of HATCOL 5236 was based on EEC-Directive 92/69 EEC, A.5 "Surface tension" (1992) and OECD guideline no. 115: "Surface tension of aqueous solutions", July 27, 1995.
The surface tension of an aqueous solution of Hatcol 5236 at a 90% saturated concentrationwas 53.6 mN/m. Temperature of measurement was 20.0 ± 0.5°C.
Based on the criteria as outlined in the guideline, it is concluded that Hatcol 5236 should be regarded as a surface active material.
Referenceopen allclose all
Table 2 Surface tension of an aqueous solution of Hatcol 3331.
Time passed between preparation and the first measurement: 16 minutes
Determination |
Time expired1[min] |
Surface tension2[mN/m] |
|||
Measured |
Mean not corrected |
Mean corrected for calibration |
Mean corrected using Harkins & Jordan, 1930 |
||
1 |
16 |
62.1 |
69.3 |
72.6 |
72.6 |
2 |
17 |
64.5 |
|||
3 |
18 |
67.1 |
|||
4 |
19 |
68.1 |
|||
5 |
20 |
68.5 |
|||
6 |
21 |
69.2 |
|||
7 |
22 |
69.3 |
|||
8 |
23 |
69.2 |
|||
9 |
24 |
69.4 |
|||
10 |
25 |
69.5 |
|||
1Time passed since the solution was transferred to the measurement vessel.
2Because the surface tension of a test solution in the measurement vessel alters over a period of time, several measurements were performed until a state of equilibrium was reached. The mean value was calculated from measurement 6 – 10.
Table 1
Experimental value [mN/m] |
Corrected value (water calibration) [mN/m] |
Experimental value [mN/m] |
Corrected value (water calibration) [mN/m] |
20 |
18.1 |
50 |
48.6 |
22 |
20.1 |
52 |
50.7 |
24 |
22.1 |
54 |
52.8 |
26 |
24-1 |
56 |
54.9 |
28 |
26.1 |
58 |
57.0 |
30 |
28.1 |
60 |
59.1 |
32 |
30.1 |
62 |
61.3 |
34 |
32.1 |
64 |
63.4 |
36 |
34.1 |
66 |
65.5 |
38 |
36.1 |
68 |
67.7 |
40 |
38.2 |
70 |
69.9 |
42 |
40.3 |
72 |
72.0 |
44 |
42.3 |
74 |
- |
46 |
44.4 |
76 |
- |
48 |
46.5 |
78 |
- |
According to the criteria as outlined in the EEC Directive, substances showing a surface tension lower than 60 mN/m under the conditions of this method, should be regarded as being surface active materials.
Table 2 Surface tension of an aqueous solution of Hatcol 3344.
Time passed between preparation and the first measurement: 16 minutes
Determination |
Time expired1[min] |
Surface tension [mN/m] |
|||
Measured |
Mean not corrected |
Mean corrected for calibration |
Mean corrected using Harkins & Jordan, 1930 |
||
1 |
16 |
54.1 |
54.0 |
56.6 |
55.5 |
2 |
17 |
54.0 |
|||
3 |
18 |
54.1 |
|||
4 |
19 |
54.0 |
|||
6 |
20 |
54.0 |
|||
1Time passed since the solution was transferred to the measurement vessel.
Table 2 Surface tension of an aqueous solution of Hatcol 5236
Time passed between preparation and the first measurement: 15 minutes
Determination |
Time expired1[min] |
Surface tension [mN/m] |
|||
Measured |
Mean not corrected |
Mean corrected for calibration |
Mean corrected using Harkins & Jordan, 1930 |
||
1 |
15 |
52.2 |
52.3 |
54.8 |
53.6 |
2 |
16 |
52.5 |
|||
3 |
17 |
52.2 |
|||
4 |
18 |
52.3 |
|||
5 |
19 |
52.2 |
|||
1Time passed since the solution was transferred to the measurement vessel.
Description of key information
The read across for substance, CAS: 156558-98-4; EC: 451-190-0; is based upon the analogous substances to which basic form, degree of substitution of functional groups is not considered to effect the proposed read across for the endpoint of surface tension. The surface tension for the substance based on the mean of the information available is deemed to be 60.57 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 60.57
Additional information
HATCOL 5236:
The surface tension of an aqueous solution of Hatcol 5236 at a 90% saturated concentration was 53.6 mN/m. Temperature of measurement was 20.0 ± 0.5°C. Based on the criteria as outlined in the guideline, it is concluded that Hatcol 5236 should be regarded as a surface active material.
HATCOL 3344:
The surface tension of an aqueous solution of Hatcol 3344 at a 90% saturated concentration was 55.5 mN/m. Temperature of measurement was 20.0 ± 0.5°C. Based on the criteria as outlined in the guideline, it is concluded that Hatcol 3344 should be regarded as a surface active material.
HATCOL 3331:
The surface tension of an aqueous solution of Hatcol 3331 at a 90% saturated concentration was 72.6 mN/m. Temperature of measurement was 20.0 ± 0.5°C. Based on the criteria as outlined in the guideline, it is concluded that Hatcol 3331 should not be regarded as a surface active material.
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