Registration Dossier
Registration Dossier
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reaction mass of: tetrasodium 4-amino-6-(5-(2,6-difluoropyrimidin-4-ylamino)-2-sulfonatophenylazo)-5-hydroxy-3-(4-(sulfatoethylsulfonyl)phenylazo)naphthalene-2,7-disulfonate;tetrasodium 4-amino-6-(5-(4,6-difluoropyrimidin-2-ylamino)-2-sulfonatophenylazo)-5-hydroxy-3-(4-(2-sulfatoethylsulfonyl)phenylazo)naphthalene-2,7-disulfonate
EC number: 431-830-5 | CAS number: -
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:
- 1998-06-16 to 1998-07-29
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- ring method
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 66.8 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 000 mg/L
- Conclusions:
- The surface tension of Reactive Navy FC63805 at 20 °C is 66.8 mN/m. The substance is not surface-active.
- Executive summary:
A study was performed to measure the surface tension of Reactive Navy FC63805 according to EU method A.5 in compliance with GLP. The surface tension was measured with a digital tensiometer. The final value for the surface tension at 20 °C is: W = 66.8 mN/m. The substance is not surface-active.
Reference
Six mesurements at a temperature of 20°C, every 5 min., were done.
measurement |
1 |
2 |
3 |
4 |
5 |
6 |
Time / min |
0 |
5 |
10 |
15 |
20 |
25 |
W / mN/m |
66.6 |
66.6 |
66.8 |
66.8 |
66.9 |
66.9 |
The mean value is 66.8 mN/m.
Description of key information
The surface tension of Reactive Navy FC63805 was determined by the ring method. Reactive Navy FC63805 is not surface-active.
Key value for chemical safety assessment
- Surface tension:
- 66.8
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of Reactive Navy FC63805, determined by the ring method, is 66.8 mN/m at 20°C at a concentration of 1000 mg/L.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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