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EC number: 203-587-3 | CAS number: 108-48-5
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Justification for type of information:
- Data is from experimental report
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 9101:1987Surface active agents: Determination of interfacial tension -Drop volume method.
- Principles of method if other than guideline:
- to determine the surface tension of the test chemical
- GLP compliance:
- no
- Type of method:
- other: drop count
- Key result
- Surface tension:
- 68.99 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: Surface tension of test chemical was reported to be 68.99 mN/m
- Conclusions:
- Surface tension of test chemical was determined to be 68.99 mN/m at 20 deg c.
- Executive summary:
Based on the data available from study , the surface tension of the test chemical was determined to be 68.99 mN/m at 20 deg c.
Reference
observation table -
| Density of Test Chemical in g/cm³ | 0.92 |
| Surface tension of water at 20 °C | 72.86 |
| Density of water at 20 °C | 0.9982 |
| Method Details | Observations |
Remarks if, any |
|
Atmospheric pressure(Mean) |
hPa |
977.4 |
|
No. of drops of water (nw)(Mean) |
|
75 |
|
No. of drops of test chemical (nl)(Mean) |
|
73 |
|
¥l= surface tension of test chemical
¥w = surface tension of water
ρl= density of test chemical
ρw =density of water
nl= no. of drops of test chemical
nw = no. of drops of water
¥l=0.92X75X72.86
0.9982X73
¥l = 5,027.34 / 72.87
¥l = 68.99 dynes/cm
Description of key information
Based on the data available from study , the surface tension of the test chemical was determined to be 68.99 mN/m at 20 deg c.
Key value for chemical safety assessment
- Surface tension:
- 68.99
Additional information
Based on the data available from study , the surface tension of the test chemical was determined to be 68.99 mN/m at 20 deg c.
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