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Surface tension

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Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
equivalent or similar to guideline
Guideline:
other: ASTM D3825
Deviations:
not specified
Remarks:
This method is similar to ASTM D3825 but insufficient information is provided to assess deviation from this guideline
Principles of method if other than guideline:
- Principle of test: Sugden's modification of the maximum bubble-pressure method (as described in Sudgen (1922) J. Chem. Soc., 121: 858-866))
Type of method:
other: Sugden's modification of the maximum bubble-pressure method
Specific details on test material used for the study:
TEST MATERIAL
- Name (as cited): 2:2'-Dichlorodiethyl ether
- Purity: not specified

SOURCE OF TEST MATERIAL
- Source: prepared as described by Kamm & Waldo (J. Amer. Chem. Soc., 1921, 43, 2223)
- Purification: repeated fractionation through a Young column
Key result
Surface tension:
ca. 37.6 mN/m
Temp.:
20 °C
Remarks on result:
other: Concentration not stated.
Surface tension:
ca. 37 mN/m
Temp.:
25 °C
Remarks on result:
other: Concentration not stated.
Conclusions:
The surface tension of Bis(2-chloroethyl) ether was determined to be 37.6 mN/m at 20°C
Executive summary:

In this publication, the surface tension of Bis(2-chloroethyl) ether was determined to be 37.6 mN/m at 20°C as measured by Sudgen's modification of the maximum bubble pressure method. The surface tension of Bis(2-chloroethyl) ether is low (e.g. compared to water which has a surface tension of 72.75 mN/m at 20°C).

The study is described in suffcient details and has been subject to peer-review. The result are judged acceptable and the study has been assigned a reliability score of 2.

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
no guideline followed
Principles of method if other than guideline:
- Principle of test: capillary rise method
- Short description of test conditions: no data available
GLP compliance:
no
Remarks:
pre-GLP
Type of method:
other: capillary rise method
Specific details on test material used for the study:
TEST MATERIAL
- Names (as cited): β,β'-dichloroethyl
- Purity: not specified
Surface tension:
ca. 37.3 mN/m
Temp.:
20 °C
Conclusions:
At 20°C, the surface tension of β,β'-dichloroethyl ether was determined to be 37.3 mN/m.
Executive summary:

The surface tension of β,β'-dichloroethyl ether was measured by the capillary rise method at various temperature ranging from 20° to 100°C. The surface tension of β,β'-dichloroethyl ether decreased linearly with temperature. Surface tension of the substance at temperature t can be given as: y = a -b*t, where a = 40.57, b = 0.1306. At 20°C, the surface tension of β,β'-dichloroethyl ether was determined to be 37.3 mN/m.

The study is described in suffcient details and has been subject to peer-review. The result are judged acceptable and the study has been assigned a reliability score of 2.

Description of key information

The surface tension of Bis(2-chloroethyl) ether was determined to be 37.6 mN/m at 20°C as measured by Sudgen's modification of the maximum bubble pressure method. As the surface tension of Bis(2-chloroethyl) ether is below 60 mN/m, it is considered as surface active according to the cut-off value of 60 mN/m stated in point A.5 of Regulation (EC) No 440/2008 of 30 May 2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 (REACH).

Key value for chemical safety assessment

Surface tension:
37.6

Additional information

In a publication by Mumford & Philips (J. Chem. Soc., 1950, 75-84), the surface tension of Bis(2-chloroethyl) ether was determined to be 37.6 mN/m at 20°C as measured by Sudgen's modification of the maximum bubble pressure method.

The study is described in suffcient details and has been subject to peer-review. The result are judged acceptable and the study has been assigned a reliability score of 2.

In their publication, Gallaugher & Hibbert (J. Am. Chem. Soc.,1937, 59:2521-5). measured the surface tension of β,β'-dichloroethyl ether by the capillary rise method at various temperature ranging from 20° to 100°C. At 20°C, the surface tension of β,β'-dichloroethyl ether was determined to be 37.3 mN/m, which is in good agreement with the data selected as key information.

The study is described in suffcient details and has been subject to peer-review. The result are judged acceptable and the study has been assigned a reliability score of 2.