Registration Dossier
Registration Dossier
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EC number: 404-450-2 | CAS number: 118685-34-0 COBRATEC 435
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
Aqueous solution containing 10091 mg/L Cobratec 435 had a surface tension of 33.5 mN/m at 22°C
Key value for chemical safety assessment
- Surface tension:
- 33.5
- in mN/m at 20°C and concentration in mg/L:
- 10 091
Additional information
Time between preparation of test solution and measurement of surface tension was 60min.
A summary of the surface tension values are shown below:
| Time (minutes) | Surface tension (mN/m) |
| 0 | 34.1 |
| 2 | 33.8 |
| 4 | 33.8 |
| 6 | 33.8 |
| Mean value of last three readings | 33.8 |
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