Registration Dossier
Registration Dossier
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EC number: 417-040-3 | CAS number: -
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
Aqueous solutions containing 1.0158 g/l and 1.0136 g/l coagulant 122 (solid), both had a surface tension of 71.9 mN/m ar 18.5°C.
Key value for chemical safety assessment
- Surface tension:
- 71.9
- in mN/m at 20°C and concentration in mg/L:
- 1 015.8
Additional information
| Test temperature: | 18.5 + 0.5°C. |
| Density of water at 18.5°C: | 0.99853 g/cm3 (CRC Handbook of Chemistry and Physics, 58th edition 1977 -78 p. F45. Extrapolated from linear regression of values at 18 and 20 °C). |
| Surface tension of water at 18.5°C: | 72.97 mN/m (CRC Handbook of Chemistry and Physics, 58th edition, 1977 - 78, pF45. Extrapolated from linear regression over the temperature range 15 and 30°C). |
The uncorrected surface tension values shown in Tables 2 and 3. A summary of the surface tension values, taking into account the correction factor are shown below:
| Distilled water: |
73.3 mN/m: |
Test solution 1: |
71.9 mN/m |
| Test solution 2 | 71.9 mN/m |
Test solution 1 was tested 3 hours after preparation and 3.25 hours for test solution 2
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